FCC ID: 2AJYU-8VC0003 NB/CAT-M/GNSS MODULE

 

SIM7090G User Manual LPWA Module SIMCom Wireless Solutions Limited Building B, SIM Technology Building, No.633, Jinzhong Road Changning District, Shanghai P.R. China Tel: 86-21-31575100 support@simcom.com www.simcom.com SIM7090G User Manual V1.01 Document Title:

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GENERAL NOTES SIM7090G User Manual V1.01 2020-06-03 Released SIMCOM OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS, TO SUPPORT APPLICATION AND ENGINEERING EFFORTS THAT USE THE PRODUCTS DESIGNED BY SIMCOM. THE INFORMATION PROVIDED IS BASED UPON REQUIREMENTS SPECIFICALLY PROVIDED TO SIMCOM BY THE CUSTOMERS. SIMCOM HAS NOT UNDERTAKEN ANY INDEPENDENT SEARCH FOR ADDITIONAL RELEVANT INFORMATION, INCLUDING ANY INFORMATION THAT MAY BE IN THE CUSTOMERS POSSESSION. FURTHERMORE, SYSTEM VALIDATION OF THIS PRODUCT DESIGNED BY SIMCOM WITHIN A LARGER ELECTRONIC SYSTEM REMAINS THE RESPONSIBILITY OF THE CUSTOMER OR THE CUSTOMERS SYSTEM INTEGRATOR. ALL SPECIFICATIONS SUPPLIED HEREIN ARE SUBJECT TO CHANGE. THIS DOCUMENT CONTAINS PROPRIETARY TECHNICAL INFORMATION WHICH IS THE PROPERTY OF SIMCOM WIRELESS SOLUTIONS LIMITED COPYING, TO OTHERS AND USING THIS DOCUMENT, ARE FORBIDDEN WITHOUT EXPRESS AUTHORITY BY SIMCOM. OFFENDERS ARE LIABLE TO THE PAYMENT OF INDEMNIFICATIONS. ALL RIGHTS RESERVED BY SIMCOM IN THE PROPRIETARY TECHNICAL INFORMATION INCLUDING BUT NOT LIMITED TO REGISTRATION GRANTING OF A PATENT , A UTILITY MODEL OR DESIGN. ALL SPECIFICATION SUPPLIED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE AT ANY TIME. COPYRIGHT FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a www.simcom.com 2 / 77 SIM7090G User Manual V1.01 particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help. RF warning:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. IC Caution:

the device. This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) This device may not cause interference, and

(2) This device must accept any interference, including interference that may cause undesired operation of Le prsent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes:

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &

your body. Ce matriel est complt par une exposition de rayonnements IC pour un environnement naturel. Ce matriel doit tre install et se faire avec une distance minimale de 20cm entre les radiateurs et les autresYour body shop. For a host manufactures using a certified modular, if (1) the modules IC number is not visible when installed in the host, or (2) if the host is marketed so that end users do not have straightforward commonly used methods for access to remove the module so that the IC number of the module is visible; then an additional permanent label referring to the enclosed module: Contains Transmitter Moducle IC: 23761-8VC0003 or Contains IC: 23761-8VC0003 must be used. This radio transmitter IC: 23761-8VC0003 has been approved by Imovation,Sience and Economic Development Canada to operate with the antenna types listed below,with the maximm permissible gain indicated.Antenna types not included in this list that have gain greater than the maximm gain indicated for any type listed are strictly prohibilted for use with this device. www.simcom.com 3 / 77 SIM7090G User Manual V1.01 SIMCom Wireless Solutions Limited Building B, SIM Technology Building, No.633 Jinzhong Road, Changning District, Shanghai P.R.China Tel: +86 21 31575100 Email: simcom@simcom.com For more information, please visit:

https://www.simcom.com/download/list-863-en.html For technical support, or to report documentation errors, please visit:

https://www.simcom.com/ask/ or email to: support@simcom.com Copyright 2020 SIMCom Wireless Solutions Limited All Rights Reserved. www.simcom.com 4 / 77 SIM7090G User Manual V1.01 Version History Date Version Description of change 2020-01-22 1.00 Origin 2020-06-03 1.01 Modify the document content format. Author Hongjun Tu Xianjing Zhao Hongjun.Tu www.simcom.com 5 / 77 SIM7090G User Manual V1.01 Contents Contents................................................................................................................................................................ 6 Table Index............................................................................................................................................................ 8 Figure Index.......................................................................................................................................................... 9 1 Introduction.....................................................................................................................................................10 1.1 Product Outline............................................................................................................................................... 10 1.2 Hardware Interface Overview....................................................................................................................... 11 1.3 Hardware Block Diagram.............................................................................................................................. 11 1.4 Functional Overview...................................................................................................................................... 12 2 Package Information.....................................................................................................................................14 2.1. Pin Assignment Overview............................................................................................................................ 14 2.2. Pin Description...............................................................................................................................................16 2.3. Mechanical Information................................................................................................................................ 20 2.4. Footprint Recommendation......................................................................................................................... 21 3 Interface Application.....................................................................................................................................22 3.1 Power Supply.................................................................................................................................................. 22 3.1.1 Power Supply Design Guide............................................................................................................. 22 3.1.2 Voltage Monitor....................................................................................................................................23 3.2 Power on/Power off/Reset Function............................................................................................................24 3.2.1 Turn on Module Using the PWRKEY Pin........................................................................................24 3.2.2 Turn off Module....................................................................................................................................26 3.2.3 Reset the Module................................................................................................................................ 27 3.3 UART Interface............................................................................................................................................... 29

..........................................................................................................................................................................30 3.3.1. UART Design Guide.......................................................................................................................... 30 3.3.2. RI Behavior......................................................................................................................................... 31 3.3.3. DTR Behavior..................................................................................................................................... 32 3.4 USB Interface..................................................................................................................................................32 3.5 SIM Interface................................................................................................................................................... 34 3.5.1. SIM Application Guide.......................................................................................................................34 3.6 PCM Interface................................................................................................................................................. 35 3.7 I2C Interface....................................................................................................................................................36 3.8 SPI Interface....................................................................................................................................................37 3.9 Network status................................................................................................................................................ 39 3.10 ADC interface................................................................................................................................................40 3.11 LDO output.................................................................................................................................................... 41 3.12 USB_BOOT Interface.................................................................................................................................. 41 3.13 GPIO Interface..............................................................................................................................................42 3.14 RF control Interface..................................................................................................................................... 42 3.15 Force USB Download Interface................................................................................................................. 42 4 RF Specifications...........................................................................................................................................44 4.1 LTE RF Specifications................................................................................................................................... 44 4.2 LTE Antenna Design Guide.......................................................................................................................... 49 4.3 GNSS................................................................................................................................................................50 4.3.1. GNSS Technical specification..........................................................................................................50 4.3.2. GNSS Application Guide.................................................................................................................. 51 4.4 RF traces note.................................................................................................................................................52 4.4.1 RF traces layout.................................................................................................................................. 52 4.4.2 LTE ANT and other system ANT decoupling.................................................................................. 53 5 Electrical Specifications........................................................................................................................... 54 5.1 Absolute maximum ratings............................................................................................................................54 www.simcom.com 6 / 77 SIM7090G User Manual V1.01 5.2 Operating conditions...................................................................................................................................... 54 5.3 Operating Mode.............................................................................................................................................. 56 5.3.1 Operating Mode Definition.................................................................................................................56 5.3.2 Flight Mode.......................................................................................................................................... 57 5.3.3 Sleep mode.......................................................................................................................................... 57 5.3.4 Minimum functionality mode and Flight mode............................................................................... 57 5.3.5 Power Saving Mode (PSM)............................................................................................................... 58 5.3.6 Extended Mode DRX (e-DRX)..........................................................................................................58 5.4 Current Consumption.....................................................................................................................................59 5.5 ESD Notes....................................................................................................................................................... 62 6 SMT Production Guide.............................................................................................................................. 63 6.1 Top and Bottom View of SIM7090G............................................................................................................ 63 6.2 Label Information............................................................................................................................................64 6.3 Typical SMT Reflow Profile........................................................................................................................... 65 6.4 Moisture Sensitivity Level (MSL)................................................................................................................. 66 6.5 Baking...............................................................................................................................................................67 6.6 Stencil Foil Design Recommendation.........................................................................................................68 7 Packaging..................................................................................................................................................... 69 7.1 Tray packaging................................................................................................................................................69 8 Appendix....................................................................................................................................................... 72 8.1 Coding Schemes and Maximum Net Data Rates over Air Interface..................................................... 72 8.2 Related Documents........................................................................................................................................73 8.3 Terms and Abbreviations...............................................................................................................................74 8.4 Safety Caution.................................................................................................................................................77 8.5 Notes:............................................................................................................................................................... 77 www.simcom.com 7 / 77 SIM7090G User Manual V1.01 Table Index TABLE 1 : SIM7090G FREQUENCY BANDS AND AIR INTERFACE.......................................................................... 10 TABLE 2 : GENERAL FEATURES...................................................................................................................................... 12 TABLE 3 : PIN DEFINITION.................................................................................................................................................15 TABLE 4 : IO PARAMETERS DEFINITION....................................................................................................................... 16 TABLE 5 : PIN DESCRIPTION............................................................................................................................................ 16 TABLE 6 : VBAT PINS ELECTRONIC CHARACTERISTIC............................................................................................22 TABLE 7 : POWER ON TIMING AND ELECTRONIC CHARACTERISTIC................................................................. 25 TABLE 8 : POWER OFF TIMING AND ELECTRONIC CHARACTERISTIC............................................................... 27 TABLE 9 : RESET PIN ELECTRONIC CHARACTERISTIC........................................................................................... 28 TABLE 10 : PIN DEFINITION OF MAIN UART INTERFACE..........................................................................................29 TABLE 11 : PIN DEFINITION OF DEBUG UART INTERFACE......................................................................................29 TABLE 12 : PIN DEFINITION OF GNSS UART INTERFACE........................................................................................ 29 TABLE 13 : UART ELECTRONIC CHARACTERISTIC................................................................................................... 30 TABLE 14 : PIN DEFINITION OF USB INTERFACE....................................................................................................... 32 TABLE 15 : SIM ELECTRONIC CHARACTERISTIC IN 1.8V MODE (SIM_VDD=1.8V)........................................... 34 TABLE 16 : PIN DEFINITION OF PCM INTERFACES.................................................................................................... 36 TABLE 17 : PIN DEFINITION OF SPI INTERFACE......................................................................................................... 37 TABLE 18 : NETLIGHT PIN STATUS................................................................................................................................. 39 TABLE 19 : PIN DEFINITION OF ADC INTERFACES.....................................................................................................40 TABLE 20 : ADC ELECTRONIC CHARACTERISTICS................................................................................................... 40 TABLE 21 : ELECTRONIC CHARACTERISTIC............................................................................................................... 41 TABLE 22 : PIN DEFINITION OF USB_BOOT INTERFACES....................................................................................... 41 TABLE 23 : PIN DEFINITION OF GPIO INTERFACES...................................................................................................42 TABLE 24 : LOGIC LEVELS OF GPIO INTERFACES.....................................................................................................42 TABLE 25 : CONDUCTED TRANSMISSION POWER.................................................................................................... 44 TABLE 26 : MAXIMUM POWER REDUCTION (MPR) FOR UE CATEGORY NB2&M1 POWER CLASS 5.......... 45 TABLE 27 : OPERATING FREQUENCIES........................................................................................................................ 46 TABLE 28 : E-UTRA OPERATING BANDS....................................................................................................................... 46 TABLE 29 : CONDUCTED RECEIVE SENSITIVITY....................................................................................................... 46 TABLE 30 : CAT-M1 REFERENCE SENSITIVITY (QPSK).............................................................................................46 TABLE 31 : CAT-NB2 REFERENCE SENSITIVITY (QPSK) .........................................................................................48 TABLE 32 : TRACE LOSS.................................................................................................................................................... 49 TABLE 33 : RECOMMENDED TVS.................................................................................................................................... 50 TABLE 34 : ABSOLUTE MAXIMUM RATINGS................................................................................................................. 54 TABLE 35 : RECOMMENDED OPERATING RATINGS.................................................................................................. 54 TABLE 36 : 1.8V DIGITAL I/O CHARACTERISTICS*...................................................................................................... 55 TABLE 37 : OPERATING TEMPERATURE....................................................................................................................... 55 TABLE 38 : OPERATING MODE DEFINITION................................................................................................................. 56 TABLE 39 : CURRENT CONSUMPTION ON VBAT PINS (VBAT=3.8V)..................................................................... 59 TABLE 40 : THE ESD PERFORMANCE MEASUREMENT (TEMPERATURE: 25, HUMIDITY: 45%)................62 TABLE 41 : THE DESCRIPTION OF LABEL INFORMATION........................................................................................ 64 TABLE 42 : MOISTURE SENSITIVITY LEVEL AND FLOOR LIFE............................................................................... 66 TABLE 43 : BAKING CONDITIONS.................................................................................................................................... 67 TABLE 44 : TRAY SIZE......................................................................................................................................................... 70 TABLE 45 : SMALL CARTON SIZE.................................................................................................................................... 70 TABLE 46 : BIG CARTON SIZE...........................................................................................................................................71 TABLE 47 : CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE.............................72 TABLE 48 : RELATED DOCUMENTS................................................................................................................................ 73 TABLE 49 : TERMS AND ABBREVIATIONS..................................................................................................................... 74 TABLE 50 : SAFETY CAUTION...........................................................................................................................................77 www.simcom.com 8 / 77 SIM7090G User Manual V1.01 Figure Index FIGURE 1 : SIM7090G BLOCK DIAGRAM....................................................................................................................... 12 FIGURE 2 : PIN ASSIGNMENT OVERVIEW....................................................................................................................14 FIGURE 3 : DIMENSIONS (UNIT: MM)..............................................................................................................................20 FIGURE 4 : FOOTPRINT RECOMMENDATION (UNIT: MM)........................................................................................ 21 FIGURE 5 : POWER SUPPLY APPLICATION CIRCUIT................................................................................................ 23 FIGURE 6 : REFERENCE POWER ON/OFF CIRCUIT.................................................................................................. 24 FIGURE 7 : POWER ON TIMING SEQUENCE................................................................................................................25 FIGURE 8 : POWER OFF TIMING SEQUENCE..............................................................................................................26 FIGURE 9 : REFERENCE RESET CIRCUIT.................................................................................................................... 28 FIGURE 10 : UART FULL MODEM.....................................................................................................................................30 FIGURE 11 : REFERENCE CIRCUIT OF LEVEL SHIFTER IC......................................................................................31 FIGURE 12 : REFERENCE CIRCUIT WITH TRANSISTOR .........................................................................................31 FIGURE 13 : RI BEHAVIOURSMS AND URC REPORT........................................................................................ 32 FIGURE 14 : REFERENCE DESIGN OF USB PHY..................................................................................................... 33 FIGURE 15 : REFERENCE DESIGN OF USB INTERFACE..........................................................................................33 FIGURE 16 : SIM INTERFACE REFERENCE CIRCUIT.................................................................................................35 FIGURE 17 : REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC............................................ 36 FIGURE 18 : I2C REFERENCE CIRCUIT......................................................................................................................... 37 FIGURE 19 : SPI MASTER MODE CIRCUIT.................................................................................................................... 38 FIGURE 20 : SPI SLAVE MODE CIRCUIT........................................................................................................................ 38 FIGURE 21 : NETLIGHT REFERENCE CIRCUIT............................................................................................................39 FIGURE 22 POWER ON SEQUENCE OF THE VDD_EXT.......................................................................................41 FIGURE 23 RF CONTROL INTERFACE REFERENCE CIRCUIT........................................................................... 42 FIGURE 24 REFERENCE CIRCUIT OF BOOT_CFG INTERFACE........................................................................ 43 FIGURE 25 : ANTENNA MATCHING CIRCUIT (MAIN_ANT)........................................................................................ 49 FIGURE 26 : ACTIVE ANTENNA CIRCUIT....................................................................................................................... 51 FIGURE 27 : PASSIVE ANTENNA CIRCUIT (DEFAULT)............................................................................................... 51 FIGURE 28 : RF TRACE SHOULD BE FAR AWAY FROM OTHER HIGH SPEED SIGNAL LINES....................... 52 FIGURE 29 : THE DISTANCE BETWEEN GND TO THE INNER CONDUCTOR OF SMA...................................... 53 FIGURE 30 : E-DRX DIAGRAMMATIC SKETCH.............................................................................................................59 FIGURE 31 : TOP AND BOTTOM VIEW OF SIM7090G.................................................................................................63 FIGURE 32 : LABEL INFORMATION................................................................................................................................. 64 FIGURE 33 : THE RAMP-SOAK-SPIKE REFLOW PROFILE OF SIM7090G............................................................. 65 FIGURE 34 : STENCIL RECOMMENDATION (UNIT: MM).............................................................................................68 FIGURE 35 : PACKAGING DIAGRAM............................................................................................................................... 69 FIGURE 36 : TRAY DRAWING............................................................................................................................................ 69 FIGURE 37 : SMALL CARTON DRAWING....................................................................................................................... 70 FIGURE 38 : BIG CARTON DRAWING............................................................................................................................. 71 www.simcom.com 9 / 77 SIM7090G User Manual V1.01 1 Introduction This document describes the electronic specifications, RF specifications, interfaces, mechanical characteristics and testing results of the SIMCom SIM7090G module. With the help of this document and other SIM7090G software application notes/user guides, users can understand and use SIM7090G module to design and develop applications quickly. 1.1 Product Outline The SIM7090G modules support LTE CAT-M1, LTE CAT-NB1/NB2. The physical dimension of SIM7090G is 14.8mm12.8mm2.0 mm. Table 1: SIM7090G frequency bands and air interface Network Type SIM7090G M1 NB1/NB2 Band Category LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B14 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B27 LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 LTE-FDD B85 GPS GLONASS BeiDou LTE-FDD*

HD-FDD GNSS www.simcom.com 10 / 77 Galileo SIM7090G User Manual V1.01 NOTE Galileo is default closed in software. But users can open it via AT command AT+CGNSMOD. For more information about these AT commands, please refer to Document [1]

1.2 Hardware Interface Overview The interfaces are described in detail in the next chapters include:

Power Supply USB Interface UART Interface SIM Interface ADC LDO Power Output PCM Interface I2C Interface SPI Interface RF control Interface GPIOs Antenna Interface 1.3 Hardware Block Diagram The block diagram of the SIM7090G module is shown in the figure below. www.simcom.com 11 / 77 SIM7090G User Manual V1.01 Figure 1: SIM7090G block diagram 1.4 Functional Overview Table 2: General features Feature Power supply Power saving Implementation Power supply voltage 2.7V4.8V. Default :3.8V Current in sleep mode: 0.78mA @DRX2.56S Current in PSM mode: 3uA Radio frequency bands Transmitting power Please refer to the table 1 LTE power class: 5 (0.125W). Data Transmission Throughput LTE CAT M1: 589 Kbps (DL), 1119 Kbps (UL) LTE CAT NB2: 127Kbps (DL) ,158 Kbps (UL) Antenna GNSS SIM interface Digital audio feature SPI interface LTE main antenna. GNSS antenna. GNSS engine (GPS, GLONASS, BD and Galileo). Protocol: NMEA. Support identity card: 1.8V only. Support PCM interface. Only support PCM master mode and short frame sync Support for serial data bus SPI, only used during DAM application secondary www.simcom.com 12 / 77 SIM7090G User Manual V1.01 UART interface 115200 bps. development. One channel full-function UART by default can be used for AT communication. Baud rate: 300bps to 3686400bps. Default rate is 0bps (auto baud rate). Support auto baud rate, but only limited to 9600, 19200, 38400, 57600 and Support RTS/CTS hardware handshake. DBG_UART can be used for software debug. GNSS_UART can also be configured as a GNSS NMEA data output port. USB USB 2.0 high speed interface. Firmware upgrade Physical characteristics Temperature range Firmware upgrade over USB interface Size: 14.812.82.0 mm Weight: 0.8g 0.2g operation temperature: -40 ~ +85 Storage temperature -45C to + 90C www.simcom.com 13 / 77 SIM7090G User Manual V1.01 2 Package Information 2.1. Pin Assignment Overview The module has 77 pins and provides all the hardware interfaces of the module. Figure 2: Pin assignment overview www.simcom.com 14 / 77 SIM7090G User Manual V1.01 Table 3: Pin definition Pin No. Pin Name Pin No. GPIO1 GNSS_UART_RXD Pin No. Pin Name PCM_CLK 3 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97 TXD USB_DM USIM_CLK USIM_VDD VBAT GND GND GND GND PCM_OUT I2C_SCL SPI_MOSI GND PWRKEY RESERVED GND GND GND DBG_RXD EXT_PWR_EN RESERVED RESERVED NETLIGHT RESERVED GND RI GND GND RESERVED RESERVED NC NC 100 Pin Name PCM_IN I2C_SDA SPI_MISO USB_DP USIM_DATA ADC0 VBAT GND ANT_MAIN GRFC_1 ANT_GNSS PCM_SYNC RTS W_DISABLE#

USIM_PRESEN CE RESERVED GND GND GND DTR GND RESERVED RESERVED RESERVED GND AP_READY RESERVED RESERVED GND GND NC NC NC 2 5 8 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 56 59 62 65 68 71 74 77 80 83 86 89 92 95 98 101 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75 78 81 84 87 90 93 96 99 RXD SPI_CLK USB_VBUS USIM_RST ADC1 VDD_EXT GND GND GND GPIO33 GNSS_UART_TX D CTS USB_VDDA_3P3 RESET_N RESERVED RESERVED GND GPIO57 DBG_TXD SPI_CS_N GND RESERVED GRFC_2 GND STATUS RESERVED USB_BOOT GND DCD NC NC RESERVED RESERVED www.simcom.com 15 / 77 SIM7090G User Manual V1.01 2.2. Pin Description Table 4: IO parameters definition Pin type Description PI PO AI AIO I/O DI DO DOH DOL PU PD OD Power input Power output Analog input Analog input/output Bidirectional input /output Digital input Digital output Digital output with high level Digital output with low level Pull up Pull down Open Drain Table 5: Pin description Pin name Power supply Pin No. Default status VBAT 19,20 PI VDD_EXT 21 PO GND Ground 22,23, 24,25, 27,28, 30,31, 43,52, 53,54, 55,56, 58,65, 66,73, 74,75, 84,85, 86,88, 89 Description Comment Power supply, voltage range:

2.7V4.8V. LDO power output 1.8V for other external circuits with Max 50mA current output. This power supple only use for external GPIO pulling up or level shift circuit. If unused, keep it open. System Control PWRKEY 46 DI,PU System power on/off control input, active low. The efficient input low level The level is 1.5V when this PIN is floating;

www.simcom.com 16 / 77 SIM7090G User Manual V1.01 PWRKEY should never be pulled down to GND permanently. 1.8V power domain. If unused, keep this pin open. All lines of USIM interface should be protected against ESD. must be below 0.4V. The efficient input high level must be higher than 1.0V. After the PWRKEY continues to pull down more than 15S, the system will automatically reset. Therefore, long-term grounding is not recommended Reset the module VILmax=0.4V USIM Card data I/O, which has been pulled up via a 20KR resistor to USIM_VDD internally. Do not pull it up or down externally. USIM Reset USIM clock Power output for USIM card, its output Voltage depends on SIM card type automatically. Its output current is up to 50mA. USB detection VIHmax=1.8V VIHmin=1.3V Positive line of the differential, bi-directional USB signal. Negative line of the differential, bi-directional USB signal. Power for USB PHY circuit. Vnorm=3.3V USB_VDDA_3P3 voltage enable signal. 1.8V power domain Software download interface. It is recommended to reserve interfaces or test points. USB_VDDA_3P3 and EXT_PWR_EN pins are used for USB PHY circuits. 44 DI USIM card insertion detection power 1.8V unused, keep this pin open. domain. If RESET_N 45 DI,PU SIM interface USIM_DATA 14 I/O,PU USIM_RST USIM_CLK 15 13 DO DO USIM_VDD 16 PO USIM_PRESENC E USB USB_VBUS DI,PD USB_DP USB_DM 12 11 10 I/O I/O USB_VDDA_3P3 42 PI EXT_PWR_EN 64 DO UART interface TXD RXD RTS CTS DCD DTR RI DBG_TXD DBG_RXD 7 6 38 39 90 62 76 60 61 DOH Transmit Data DI,PU Receive Data DI,PU Request to send DOH DOH Clear to Send Carrier detects DI,PU DTE get ready Ring Indicator DOH DOH DI,PU www.simcom.com GNSS_UART_TXD 36 DOH It can be configured as NMEA 1.8V power domain. Debug UART, the boot log will be output during boot up. 1.8V power domain. unused, keep them open. If If 17 / 77 1.8V power domain. If unused, keep it open. GNSS_UART_RXD 4 DI,PU data output for GNSS. unused, keep them open. SIM7090G User Manual V1.01 data. Used I2C serial for external codec. External pull-up resistor is required. I2C serial clock. Used for external codec. External pull-up resistor is required. PCM data input. PCM data output. PCM data bit clock. PCM data frame sync signal. It cannot be pulled up Otherwise it Chip Select SPI master-out slave-in Note:

before booting. will affect the normal boot. Bus clock output SPI master-in slave-out Indicate the modules network activity status. Indicate the modules operation status. High level: Power on and firmware ready. Low level: Power off. General-purpose input/output interface General-purpose input/output interface General-purpose input/output interface If unused, keep open, or else pull them up via 1K resistors to the VDD_EXT. power 1.8V unused, keep this pin open. domain. If power 1.8V If unused, please keep them open. domain. SPI_MOSI DO NOT PULL UP NORMAL POWER UP!

DURING 1.8V power domain. If unused, keep them open. 1.8V power domain. If unused, keep them open. I2C interface I2C_SDA 5 OD I2C_SCL 37 OD PCM interface PCM_DIN PCM_OUT PCM_CLK PCM_SYNC SPI interface SPI_CS_N SPI_MOSI 40 DO SPI_CLK SPI_MISO GPIO NETLIGHT 79 DO STATUS 78 DO GPIO1 GPIO33 GPIO57 RF interface ANT _GNSS ANT _MAIN GRFC_2 GRFC_1 Other interface RF control interface DI DO DO DO DO DO DI IO IO IO IO IO 2 34 3 35 63 9 8 1 33 57 32 26 72 29 AI GNSS antenna interface AIO MAIN antenna interface 50 impedance. If unused, keep this pin open. 50 impedance GRFC dedicated signals lines VC2 GRFC dedicated signals lines VC1 be can 1.8V power domain. It connected external antenna tuner enhance performance. can be suspended. to to antenna it If not used, 1.8V power domain. Pulled up by default. When it is in low voltage level, the W_DISABLE#

41 DI Airplane mode control www.simcom.com 18 / 77 SIM7090G User Manual V1.01 module can enter into airplane mode. If unused, keep this pin open. 1.8V power domain. If unused, keep this pin open. AP_READY 77 DI Application processor sleep state detection If it needs to enter into forced BOOT_CFG 87 DI,PD USB download mode, it must be pulling up this pin to VDD_EXT 1.8V power domain. Reserve a test points for it. Keep it open. before press the PWRKEY. If it needs to boot up normally, please keep this pin open. Analog-digital converter input. voltage range: 0V1.875V. AI AI DO NOT PULL UP DURING NORMAL POWER UP!

If unused, keep it open. RESERVED Reserved Keep it open NC No connection. Keep it open 17 18 48,49, 50,51, 59,67, 68,69, 70,71, 80,81, 82,83, 91,92, 93,94 95,96, 97,98, 99, 100, 101 ADC0 ADC1 NOTE Please reserve a test point for BOOT_CFG and VDD_EXT. If there is no USB connector, please also reserve a test point for USB_VBUS, USB_DP, and USB_DM for Firmware upgrade. www.simcom.com 19 / 77 SIM7090G User Manual V1.01 2.3. Mechanical Information The following figure shows the package outline drawing of SIM7090G. Figure 3: Dimensions (Unit: mm) www.simcom.com 20 / 77 SIM7090G User Manual V1.01 2.4. Footprint Recommendation Figure 4: Footprint recommendation (Unit: mm) www.simcom.com 21 / 77 SIM7090G User Manual V1.01 3 Interface Application 3.1 Power Supply Pin 19 and pin 20 are VBAT power input. On VBAT pads, when module works on CAT-M1 or NB-IoT mode, the ripple current is up to 0.5A typically. For steady voltage, the power supply capability must be up to 0.5A. Table 6: VBAT pins electronic characteristic Symbol Description VBAT Module power voltage IVBAT(peak) Module power peak current in CAT-M1 and NB-IoT emission mode. IVBAT(average) Module power average current in normal mode IVBAT(sleep) Power supply current in sleep mode IVBAT(power-off) Module power current in power off mode. IVBAT(PSM) Module power current in PSM mode. Min. Typ. Max. Unit 2.7

3.8 0.5

3 4.8

15

V A uA uA Please refer to the chapter 5.4 3.1.1 Power Supply Design Guide In the user's design, special attention must be paid to the design of the power supply to ensure that the drop of VBAT is not less than 2.5V even when the module's current consumption reaches the instantaneous maximum. If the voltage drop is less than 2.5V, the module may shut down due to the low voltage. The following figure shows the recommended circuit. www.simcom.com 22 / 77 SIM7090G User Manual V1.01 Figure 5: Power supply application circuit In addition, for ESD protection, it is suggested to add a TVS diode near the VBAT PINs. These capacitors should be put as close as possible to VBAT pads. Also, users should keep VBAT trace on circuit board wider than 1 mm to minimize PCB trace impedance. NOTE 1. The customer's circuit design must have the function that the master can control the power off of the module. The module can be shut down or restarted normally. Only when the module is abnormal and cannot be shut down or restarted normally can the power be turned off. 2. When the module is working normally, do not cut off the power supply of the module VBAT directly to avoid damage to the internal flash of the module. It is strongly recommended to turn off the module through PWRKEY or AT command before disconnecting the module VBAT power. 3.1.2 Voltage Monitor To monitor the VBAT voltage, the AT command AT+CBC can be used. AT command AT+CBATCHK=1 can be used to enable the overvoltage warning function and the under-voltage warning function. The default value of the overvoltage warning function in the software is 4.85V, and the default value of the under-voltage warning function is 2.8V. If the power supply for VBAT pins is up 4.85V or under 2.8V, module will be warning. The AT command AT+CBATCHK=1 also can be used to enable the overvoltage power-off function and the under-voltage power-off function. The default value of the overvoltage power-off function is 4.9V, and the default value of the under-voltage power-off function is 2.5V. If the VBAT voltage is up 4.9V or under 2.5V, module will be power off. www.simcom.com 23 / 77 SIM7090G User Manual V1.01 NOTE Under-voltage warning function and under-voltage power-off function are disabled by default. For more information about these AT commands, please refer to Document [1]. 3.2 Power on/Power off/Reset Function 3.2.1 Turn on Module Using the PWRKEY Pin SIM7090G can be powered on by briefly pulling the PWRKEY pin to ground. The PWRKEY pin has been pulled up with a diode to 1.8V internally, so it does not need to be pulled up externally. It is strongly recommended to put an ESD protection diode close to the PWRKEY pin, as it would strongly enhance the ESD performance of PWRKEY pin. The PWRKEY pin has its own reset function. The reset time is determined by the internal timer (default is 15 seconds). After the PWRKEY is pulled low, the module will be reset after 15 seconds. Therefore, it is not recommended to connect PWRKEY to GND all the time in external circuit design. Please refer to the following figure for the recommended reference circuit. Figure 6: Reference power on/off circuit The power-on scenarios are illustrated in the following figure. www.simcom.com 24 / 77 SIM7090G User Manual V1.01 Figure 7: Power on timing sequence Table 7: Power on timing and electronic characteristic Parameter The time of active low level impulse of PWRKEY pin to power on module 1 The time from power-on issue to VDD_EXT pin output high level. The time from power-on issue to STATUS pin output high level(indicating power up ready ) The time from power-on issue to UART port ready The time from power-on issue to USB port ready Min. Typ. Max. Unit 64 ms

s s s s V V 6.9 6.9 7.2 1.0

-0.3 Input high level voltage on PWRKEY pin Input low level voltage on PWRKEY pin 1.5 0 1.8 0.4 Symbol Ton Ton(Vdd) Ton(status) Ton(uart) Ton(usb) VIH VIL NOTE 1. PWRKEY cannot be shorted all the way to GND. 2. It is recommended to ensure that the VBAT voltage rises and stabilizes before pulling down the PWRKEY pin to start up. 3. Before turning on the module, be sure to pay attention to the maximum conditions (such as voltage and temperature range) allowed by the module, otherwise exceeding the absolute maximum value of the module may cause permanent damage to the module. www.simcom.com 25 / 77 SIM7090G User Manual V1.01 3.2.2 Turn off Module The following methods can be used to power off SIM7090G. Method 1: Power off SIM7090G by pulling the PWRKEY pin to ground. Method 2: Power off SIM7090G by AT command AT+CPOWD=1. Method 3: over-voltage or under-voltage automatic power off. The function can be enabled by AT command AT+CBATCHK=1. Default is disabled. NOTE For details about AT+CPOWD and AT+CBATCHK, please refer to Document [1]. It is not recommended to turn off the module by disconnecting VBAT power. Otherwise, there is a risk of damage to the module file system. These procedures will make modules disconnect from the network and allow the software to enter a safe state, and save data before module be powered off completely. The power off scenario by pulling down the PWRKEY pin is illustrated in the following figure. Figure 8: Power off timing sequence www.simcom.com 26 / 77 SIM7090G User Manual V1.01 Table 8: Power off timing and electronic characteristic Symbol Parameter Time value Min. Typ. Max. Unit The active low level time pulse on PWRKEY pin to power off module The time from power-off issue to VDD_EXT pin output low level The time from power-off issue to STATUS pin output low level(indicating power off )*

The time from power-off issue to UART port off The time from power-off issue to USB port off time from power-off issue to The buffer power-on issue 1.2 1.8 1.8 1.8 1.8 2

s s s s s s Toff Toff(vdd) Toff(status) Toff(uart) Toff(usb) Toff-on NOTE The STATUS pin can be used to detect whether module is powered on or not. When module has been powered on and firmware goes ready, STATUS will be high level, or else STATUS will still low level. 3.2.3 Reset the Module RESET_N is used to reset the module. The module can be reset by driving RESET_N to a low level voltage for a period of time. The RESET pin has been pulled up to 1.8V with a resistor internally. So it does not need to be pulled up externally. It is strongly recommended to put an ESD protection diode close to the RESET pin. Please refer to the following figure for the recommended reference circuit. www.simcom.com 27 / 77 SIM7090G User Manual V1.01 Figure 9: Reference reset circuit Table 9: RESET pin electronic characteristic Symbol Treset VIH VIL Description The active low level time impulse on RESET pin to reset module Input high level voltage Input low level voltage Min. Typ. Max. Unit 500 1.2

-0.3 1.8 0 1.8 0.3 ms V V www.simcom.com 28 / 77 SIM7090G User Manual V1.01 3.3 UART Interface SIM7090G can provide 3 channels serial ports: Main UART, Debug UART and GNSS UART interfaces. Features of them are illustrated below:

The Main UART interface supports 0, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 921600, 2000000, 3000000, 3200000 and 3686400 bps. The rate 0bps marks auto baud rate. And the default is 115200bps. It is used for data transmission and AT command communication, and supports RTS and CTS hardware flow control. The default frame format is 8N1 (8 data bits, no parity, 1 stop bit). The Debug UART interface supports a fixed baud rate of 115200bps, and is used for software The GNSS UART interface supports 115200bps baud rate by default, and is used for GNSS data debugging and log output. and NMEA sentences output. Table 10: Pin Definition of Main UART Interface Pin Name Pin No. I/O DTR RXD TXD CTS RTS DCD RI Description Data terminal ready. Sleep mode control. Receive data Transmit data Clear to send Request to send Comment 1.8V power domain 1.8V power domain 1.8V power domain 1.8V power domain 1.8V power domain Data carrier detection 1.8V power domain Ring indication signal 1.8V power domain Table 11: Pin Definition of Debug UART Interface Pin Name DBG_RXD DBG_TXD Pin No. Description Receive data Transmit data Comment 1.8V power domain 1.8V power domain Table 12: Pin Definition of GNSS UART Interface Pin Name Pin No. GNSS_UART_RXD GNSS_UART_TXD 61 60 Description Receive data Transmit data Comment 1.8V power domain 1.8V power domain www.simcom.com 29 / 77 62 6 7 39 38 90 76 61 60 DI DI DO DO DI DO DO I/O DI DO I/O DI DO SIM7090G User Manual V1.01 3.3.1. UART Design Guide The following figures show the reference design. Figure 10: UART full modem Driving the host DTR to low level will wake up the module. AP_READY will detect the sleep state of the host (can be configured to high level or low level detection). Table 13: UART electronic characteristic Symbol Description VIH VIL VOH VOL UART input high level voltage UART input low level voltage UART output high level voltage UART output low level voltage Min. Typ. Max. Unit 1.17

-0.3 1.35 0 1.8 0 0 1.8 2.1 0.63 1.8 0.45 V V V V The SIM7090G UART is 1.8V voltage interface. If users UART application circuit is 3.3V voltage interface, the level shifter circuits should be used for voltage matching. The following figure shows the voltage matching reference design. www.simcom.com 30 / 77 SIM7090G User Manual V1.01 Figure 11: Reference circuit of level shifter IC Figure 12: Reference circuit with Transistor When it uses the level shifter IC, the pull up resistance on TXD_3.3V, RTS_3.3V, DCD_3.3V and RI_3.3V should not be less than 47K. When it uses the transistor, the selection of the transistor must be a high-speed transistor, and the model MMBT3904 is recommended. NOTE 3.3.2. RI Behavior The RI pin description:

The RI pin can be used to interrupt output signal to inform the host controller such as application CPU. Before that, users must use AT command AT+CFGRI=1 to enable this function. www.simcom.com 31 / 77 Normally RI will keep high level until certain conditions such as receiving SMS, or a URC report coming, then it will output a low level pulse 120ms, in the end, it will become high level. SIM7090G User Manual V1.01 Figure 13: RI behaviourSMS and URC report 3.3.3. DTR Behavior Perform the following operations in turn, and the module will enter sleep mode. Setting the AT command AT+CSCLK=1. Drive DTR to high level. In sleep mode, the UART is unavailable. And pulling down DTR can wake up module. After setting the AT command AT+CSCLK=0, SIM7090G will do nothing when the DTR pin is pulling up. NOTE For more details of AT commands about UART, please refer to document [1] and [20]. 3.4 USB Interface SIM7090G has a USB2.0 interface. The USB interface is used for AT command communication, data transmission, software debugging and firmware upgrade. The following table shows the pin definition of USB interface. Table 14: Pin Definition of USB Interface Pin Name Pin No. I/O Description USB_VBUS USB_DP 12 11 PI IO USB connection detection USB differential data bus (+) Require differential Comment The input 1.3V~1.8V range is www.simcom.com 32 / 77 SIM7090G User Manual V1.01 USB_DM USB_VDDA_3P3 EXT_PWR_EN 10 42 64 IO PI USB differential data bus (-) impedance of 90 Power supply for USB PHY circuit DO External LDO enable of USB 1.8V power domain The USB interface is recommended to be reserved for firmware upgrade in customers design. The following figures illustrate reference designs of USB PHY and USB interface. Figure 14: Reference Design of USB PHY The reference circuit refers to the following figure. Figure 15: Reference Design of USB Interface The following principles should be complied with when design the USB interface, so as to meet USB 2.0 specification. It is important to route the USB signal traces as differential pairs with total grounding. The impedance of USB differential trace is 90. Do not route signal traces under crystals, oscillators, magnetic devices and RF signal traces. It is important to route the USB differential traces in inner-layer with ground shielding on not only upper and lower layers but also right and left sides. Pay attention to the influence of junction capacitance of ESD protection components on USB data www.simcom.com 33 / 77 lines. Typically, the capacitance value should be less than 3pF. Keep the ESD protection components as close to the USB connector as possible. SIM7090G User Manual V1.01 NOTE The USB interface is strongly recommended to reserve test points. The USB_DM and USB_DP nets must be traced by 90Ohm+/-10% differential impedance. 3.5 SIM Interface SIM7090G only supports 1.8V SIM Cards. Table 15: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) Symbol Parameter Min. SIM_VDD LDO power output voltage 1.75 High-level input voltage 0.65*SIM_VDD Low-level input voltage

-0.3 High-level output voltage SIM_VDD -0.45 Low-level output voltage 0 VIH VIL VOH VOL NOTE The module does not support 3V SIM card. The software does not support the SIM card hot swap function. Typ. Max. 1.8 1.95

0

0 SIM_VDD +0.3 0.35*SIM_VDD SIM_VDD 0.45 Unit V V V V V 3.5.1. SIM Application Guide It is recommended to use an ESD protection component such as ESDA6V1W5 produced by ST

(www.st.com ) or SMF15C produced by ON SEMI (www.onsemi.com ). Note that the SIM peripheral circuit should be close to the SIM card socket. The following figure shows the 6-pin SIM card holder reference circuit. www.simcom.com 34 / 77 SIM7090G User Manual V1.01 Figure 16: SIM interface reference circuit SIM_DATA has been pulled up with a 20K resistor to SIM_VDD in module, so it no need pulled up resistor anymore. SIM_VDD needs a 100nF capacitor close to SIM socket. SIM_CLK is very important signal, the rise time and fall time of SIM_CLK should be less than 40ns. So the junction capacity of the TVS need to less 50pF. In order to enhance the reliability and availability of the (U)SIM card in applications. Please follow the guidelines below when designing. It is recommended to place a 100nF capacitor on the SIM_VDD signal line close to the SIM card holder. Place TVS near the SIM card holder. The junction capacity of the TVS should not exceed 50pF. The 22 resistor in series between the SIM card holder and the module can enhance the ESD protection performance. Keep SIM card signals away from RF and VBAT traces. SIM card signal line traces to avoid branch. To avoid cross-talk between SIM_DATA and SIM_CLK, keep them away from each other and shield them with surrounded ground. USIM_RST should also be ground shielded. 3.6 PCM Interface SIM7090G provides a PCM interface for external codec, which can be used in master mode with short sync and 16 bits linear format. www.simcom.com 35 / 77 SIM7090G User Manual V1.01 Table 16: Pin Definition of PCM Interfaces Pin Name Pin No. PCM_CLK PCM_SYNC PCM_IN PCM_OUT 3 35 2 34 I/O DO DO DI DO Description PCM clock output PCM frame output PCM data input PCM data output The following figure shows the external codec reference design. synchronization Comment 1.8V power domain 1.8V power domain 1.8V power domain 1.8V power domain Figure 17: Reference Circuit of PCM Application with Audio Codec 3.7 I2C Interface SIM7090G provides an I2C interface with clock rate up to 400 kbps. Its operation voltage is 1.8V. The following figure shows the I2C bus reference design. www.simcom.com 36 / 77 SIM7090G User Manual V1.01 Figure 18: I2C reference circuit The I2C signal has no pull-up resistors in module. So the pulling up resistors 1KR to VDD_EXT is necessary in application circuit. 3.8 SPI Interface SIM7090G supports a set of 4- wire (MISO, MOSI, CS and CLK) SPI interfaces and supports both SPI master mode and SPI slave mode. The maximum clock frequency is up to 50MHz when operating in SPI master mode and up to 25MHz when operating in SPI Slave mode. Table 17: Pin Definition of SPI Interface Pin Name

*SPI_MOSI SPI_MISO SPI_CS_N SPI_CLK NOTE 40 8 63 9 Pin No. Description Comment I/O DO DI DO DO SPI master-out slave-in 1.8V power domain SPI master-in slave-out 1.8V power domain SPI chip select SPI clock 1.8V power domain 1.8V power domain SPI_MOSI is FAST BOOT function before system boot-up, so the level on this pin cannot be high before the system boot-up, otherwise the module will not start normally. www.simcom.com 37 / 77 The following figure shows the SPI bus reference design. SIM7090G User Manual V1.01 Figure 19: SPI master mode circuit Figure 20: SPI slave mode circuit NOTE The SPI_MOSI (49 pin) function is FAST BOOT function before system boot-up, so the level on this pin cannot be high before the system boot-up, otherwise the module will not start normally. www.simcom.com 38 / 77 SIM7090G User Manual V1.01 3.9 Network status The NETLIGHT pin is used to control Network Status LED, its reference circuit is shown in the following figure. Figure 21: NETLIGHT reference circuit NOTE The value of the resistor named R depends on the LED characteristic. Table 18: NETLIGHT pin status NETLIGHT pin status Module status 64ms ON, 800ms OFF No registered network 64ms ON, 3000ms OFF 64ms ON, 300ms OFF OFF NOTE Registered network (PS domain registration success) Data transmit (PPP dial-up state and use of data services such as internal TCP/FTP/HTTP) Power off or PSM mode NETLIGHT output low level as OFF and high level as ON. www.simcom.com 39 / 77 SIM7090G User Manual V1.01 3.10 ADC interface SIM7090G has two dedicated ADC pins. They are available for digitizing analog signals such as battery voltage and so on. The input voltage range is from 0V to 1.8v. That is the maximum measurement range of ADC cannot exceed 1.8V. If the input voltage of ADC PIN exceeds its range, it is necessary to implement the resistance partial pressure on the hardware Table 19: Pin Definition of ADC Interfaces Pin Name Pin No. I/O ADC0 ADC1 17 18 AI AI Description General purpose analog to digital converter interface. General purpose analog to digital converter interface. Comment 1.8V power domain 1.8V power domain Table 20: ADC electronic characteristics Characteristics Min. Typ. Input Range Internal pull-up resistor Input serial resistance 0 1 400 Max. 1.875 Unit V K M NOTE AT+CADC can be used to read the voltage of the ADC pin, for more details, please refer to document

[1]. www.simcom.com 40 / 77 SIM7090G User Manual V1.01 3.11 LDO output SIM7090G has a LDO power output named VDD_EXT. The output voltage is 1.8V. This voltage can only be pulled up for the external GPIO or power supply for the level conversion circuit. Figure 22Power on sequence of the VDD_EXT Table 21: Electronic characteristic Description Output voltage Output current Min. 1.75

Typ. 1.8

Max. 1.85 50 Unit V mA Symbol VVDD_EXT IO NOTE The VDD_EXT is used to the IO power in the module. The Output voltage is not supported to adjust. 3.12 USB_BOOT Interface SIM7090G provides a USB_BOOT pin for firmware upgrade during development or factory production. Before the module powers up, pull USB_BOOT up to high level will force the module to boot from USB port. Table 22: Pin Definition of USB_BOOT Interfaces Pin Name Pin No. I/O Description USB_BOOT 87 DI Force the module to enter into emergency download mode. Comment 1.8V power domain. Active high. If unused, keep it open. www.simcom.com 41 / 77 SIM7090G User Manual V1.01 3.13 GPIO Interface The module provides three general-purpose input and output (GPIO) interfaces. Table 23: Pin Definition of GPIO Interfaces Pin Name Pin No. I/O Description Comment GPIO1 GPIO33 GPIO57 87 33 57 General-purpose input and output interface 1.8V power domain. General-purpose input and output interface 1.8V power domain. General-purpose input and output interface 1.8V power domain. Table 24: Logic Levels of GPIO Interfaces Parameter VIL VIH VOL VOH Max. 0.6 2.0 0.45 1.8 Unit V V V V IO IO IO Min.

-0.3 1.2 0 1.35 3.14 RF control Interface SIM7090G provides a set of antenna GRFC dedicated signals lines. It can be used to control the antenna tuner to improve antenna performance. The reference circuit is shown in the following figure:

Figure 23RF control interface reference circuit 3.15 Force USB Download Interface www.simcom.com 42 / 77 The module can enter the USB forced download mode with pulling up the BOOT_CFG pin. The reference circuit refers to the following figure. SIM7090G User Manual V1.01 Figure 24Reference circuit of BOOT_CFG interface www.simcom.com 43 / 77 SIM7090G User Manual V1.01 4 RF Specifications 4.1 LTE RF Specifications Table 25: Conducted transmission power CAT-NB2 Frequency LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 LTE-FDD B85 CAT-M1 Frequency LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 Power 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB Power 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB Min.

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm Min.

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm www.simcom.com 44 / 77 LTE-FDD B13 LTE-FDD B14 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B27 LTE-FDD B28 LTE-FDD B66 LTE-FDD B85 NOTE CAT-NB2 Modulation MPR MPR MPR CAT-M1 Modulation QPSK QPSK 16 QAM 16QAM SIM7090G User Manual V1.01 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +2.7/-3.2dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm

<-40dBm The max power is tested result for 1RB in CAT-M1 and single-tone in CAT-NB2. MPR for CAT-M1 please refer to 6.2.3EA.5 part for 3GPP. Multi-tone test results please refer to part 6.2.3F.3 for CAT-NB2. Table 26: Maximum Power Reduction (MPR) for UE category NB2&M1 Power Class 5 Tone positions for 3 Tones allocation 0-2 3-5 and 6-8 9-11 0.5 dB Tone positions for 3 Tones allocation 0-5 and 6-11 Tone positions for 3 Tones allocation QPSK 1 dB 0-11 2 dB 0.5 dB 0 dB 1 dB Channel bandwidth / Transmission bandwidth (NRB) 1.4MHz 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz

>2

>5 2

>2

>2

>5 2

>2

>3

>3

>5

>5

>5

MPR

(dB) 1 2 1 2

www.simcom.com 45 / 77 SIM7090G User Manual V1.01 Table 27: Operating frequencies Frequency BAND Information GPS L1 BAND GLONASS BD Galileo Receiving Refers to Table 1 1574.4 1576.44 MHz 1598 1606 MHz 1559 1563 MHz 1575.421.023MHz Table 28: E-UTRA operating bands E-UTRA UL Freq. 1 2 3 4 5 8 12 13 14 18 19 20 25 26 27 28 66 71 85 1920 ~1980 MHz 1850~1910MHz 1710 ~1785 MHz 1710~1755MHz 824 ~849 MHz 880 ~915 MHz 699~716MHz 777~787MHz 788~798MHz 815 ~830 MHz 830 ~845 MHz 832~862MHz 1850~1915MHz 814 ~849 MHz 807~824MHz 703~748MHz 1710~1780MHz 663~698MHz 698~716MHzHz DL Freq. 2110 ~2170 MHz 1930~1990MHz 1805 ~1880 MHz 2110~2155MHz 869 ~894 MHz 925 ~960 MHz 729~746MHz 746~756MHz 758~768MHz 860 ~875 MHz 875 ~890 MHz 791~821MHz 1930~1995MHz 859 ~894 MHz 852~869MHz 758~803MHz 2110~2180MHz 617~652MHz 728~746MHz Transmission

Duplex Mode HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD Table 29: Conducted receive sensitivity Frequency LTE HD-FDD Receive sensitivity(Typical) ReferenceTable 30Table 31 Receive sensitivity(MAX) 3GPP Table 30: CAT-M1 Reference sensitivity (QPSK) www.simcom.com 46 / 77 E-UTRA Band REFSENS MAX (dBm) 3GPP Request REFSENS Typical (dBm) Duplex Mode SIM7090G User Manual V1.01 1 2 3 4 5 8 12 13 14 18 19 20 25 26 27 28 66 85

-103

-101

-100

-103

-101.5

-100.5

-100

-100

-100

-103

-103

-100.5

-99.5

-101

-101.5

-101.5 NA

-100

-109

-107

-107

-107

-107

-107

-106

-106

-103

-107

-107

-107

-103

-108

-108

-107

-107

-107 HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD HD-FDD www.simcom.com 47 / 77 SIM7090G User Manual V1.01 Table 31: CAT-NB2 Reference sensitivity (QPSK) Operating band REFSENS MAX(dBm) REFSENS Typical Repetition 12/ 7/1/128 3GPP Request

(dBm)

[EPRE dbm/15KHz]

REFSENS Typical

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-108.2

-116

-115

-116

-116

-115

-115

-115

-115

-115

-114

-114

-115

-115

-116

-115

-113

-115

-131

-130

-131

-130

-129

-130

-130

-130

-129

-128

-128

-130

-129

-130

-129

-129

-130 1 2 3 4 5 8 12 13 18 19 20 25 26 28 66 71 85 NOTE The 12/7/1/128 of the REFSENS Typical Repeated 12/ 7/1/128 [EPRE dbm/15KHz means Subcarriers=12, MCS.TBS=7, #SF/#RU=1, #Repetition=128. www.simcom.com 48 / 77 SIM7090G User Manual V1.01 4.2 LTE Antenna Design Guide Users should connect antennas to SIM7090Gs antenna pads through micro-strip line or other types of RF trace and the trace impedance must be controlled in 50. SIMCom recommends that the total insertion loss between the antenna pads and antennas should meet the following requirements:

Table 32: Trace loss Frequency 700MHz-960MHz 1710MHz-2170MHz 2300MHz-2650MHz Loss

<0.5dB

<0.9dB

<1.2dB To facilitate the antenna tuning and certification test, a RF connector and an antenna matching circuit should be added. The following figure is the recommended circuit. Figure 25: Antenna matching circuit (MAIN_ANT) In above figure, the components R1, C1, C2 and R2 are used for antenna matching, the values of components can only be achieved after the antenna tuning and usually provided by antenna vendor. By default, the R1, R2 are 0 resistors, and the C1, C2 are reserved for tuning. The component D1 is a TVS for ESD protection, and it is optional for users according to application environment. The RF test connector is used for the conducted RF performance test, and should be placed as close as to the modules MAIN_ANT pin. The traces impedance between SIM7090G and antenna must be controlled in 50. Two TVS are recommended in the table below. www.simcom.com 49 / 77 SIM7090G User Manual V1.01 Table 33: Recommended TVS Package 0201 0402 Part Number LXES03AAA1-154 LXES15AAA1-153 Vender Murata Murata 4.3 GNSS SIM7090G merges GNSS (GPS/GLONASS/BD) satellite and network information to provide a high-availability solution that offers industry-leading accuracy and performance. This solution performs well, even in very challenging environmental conditions where conventional GNSS receivers fail, and provides a platform to enable wireless operators to address both location-based services and emergency mandates. 4.3.1. GNSS Technical specification

-147 dBm Tracking sensitivity: -159 dBm (GPS+GLONASS)/-159 dBm (GPS+BD) Cold-start sensitivity:

Accuracy (Open Sky): 1 m (CEP50) TTFF (Open Sky) : Hot start < 1 s, Cold start< 31 s Receiver Type: 16-channel, C/A Code GNSS L1 Frequency: 1575.421.023MHz GLONASS: 1597.5~1605.8 MHz BD: 1559.05~1563.14 MHz Galileo L1: 1575.421.023MHz Update rate: Default 1 Hz GNSS data format: NMEA-0183 GNSS Current consumption : 54mA (AT+CFUN=0,without USB) GNSS antenna: Passive/Active antenna NOTE If the antenna is active type, the power should be given by main board because there is no power supply on the GNSS antenna pad. If the antenna is passive, it is suggested that the external LNA should be used. www.simcom.com 50 / 77 SIM7090G User Manual V1.01 4.3.2. GNSS Application Guide Users can adopt an active antenna or a passive antenna to SIM7090G. The following figures are the reference circuits. Figure 26: Active antenna circuit Figure 27: Passive antenna circuit (Default) In the above figures, components C1, L1 and L2 are used for antenna matching. Usually, the value of the component can only be obtained after the antenna is tuned, and is usually provided by the antenna supplier. C2 is used for DC blocking. The active antenna's VDD requires an external power supply and should be considered according to the characteristics of the active antenna. It is recommended to use LDO/DCDC to turn off the active antenna when GNSS is not working to reduce current consumption. GNSS can be tested through the NMEA port. NMEA sentences can be obtained automatically via UART or USB. NMEA sentences include GSV, GGA, RMC, GSA and VTG. Before using GNSS, users should configure SIM7090G to the correct working mode through AT commands. For more information, please refer to the relevant documentation. SIM7090G can also obtain location information directly through AT. www.simcom.com 51 / 77 SIM7090G User Manual V1.01 NOTE 1. GNSS is closed by default and can be started by AT+CGNSPWR=1. The AT command has two parameters, the first is on/off, and the second is GNSS mode. Default mode is standalone mode. AGPS mode needs more support from the mobile telecommunication network. Please refer to document [21]

for more details. 2. If the passive antenna is used, put the matching circuits close to the antenna. 3. Make sure there are no noise signals around GNSS antenna. 4.4 RF traces note 4.4.1 RF traces layout Keep the RF trace from module ant pin to antenna as short as possible RF trace should be 50 either on the top layer or in the inner layer RF trace should be avoided right angle and sharp angle. Put enough GND via around RF traces. RF trace should be far away from other high speed signal lines. Figure 28: RF trace should be far away from other high speed signal lines www.simcom.com 52 / 77 SIM7090G User Manual V1.01 Avoiding the paroling rout of other system antennas nearly. There should be some distance from The GND to the inner conductor of the SMA connector. It is better to keep out all the layers from inner to the outer conductor. Figure 29: The distance between GND to the inner conductor of SMA GND pads around the ANT pad should not be hot pad to keep the GND complete. 4.4.2 LTE ANT and other system ANT decoupling Make sure the efficiency of LTE main ANT more than 40%

Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB NOTE The decoupling value can be provided by ANT adventure. More details can refer to the document [22]. www.simcom.com 53 / 77 SIM7090G User Manual V1.01 5 Electrical Specifications 5.1 Absolute maximum ratings Absolute maximum rating for digital and analog pins of SIM7090G are listed in the following table:

Table 34: Absolute maximum ratings Parameter Voltage on VBAT Voltage on USB_VBUS Voltage at digital pins

(RESET,GPIO,I2C,UART,PCM) Voltage at PWRKEY ADC Min. Typ. Max. Unit

-0.3

-0.3

-0.3

-0.3

-0.3

6.0 2.1 2.1 2.1 1.875 V V V V V The absolute parameter is tested when VBAT has the power but the PWRKEY has no pulled down. If it is over the range, the module will be damage. If the power supply on VBAT pin had been shut down, and the other pin should not have the voltage. Otherwise, it may lead to abnormally boot up or damage the module. 5.2 Operating conditions Table 35: Recommended operating ratings Parameter Voltage at VBAT Voltage at USB_VBUS Min. 2.7 0 Typ. 3.8 1.8 Max. Unit 4.8 2.1 V V Make sure that the voltage on the VBAT pins will never drop below 2.7V, even during a transmit burst. Otherwise, module will be power down. www.simcom.com 54 / 77 SIM7090G User Manual V1.01 Table 36: 1.8V Digital I/O characteristics*

Parameter Description Max. Unit Min. 1.17

-0.3 1.35 0

High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage High-level output current(no pull down resistor) Low-level output current(no pull up resistor) Input high leakage current pull down resistor)

(no Input low leakage current(no pull up resistor)

-1 Typ. 1.8 0

2

-2 2.1 0.63 1.8 0.45

1

V V V V mA mA uA uA VIH VIL VOH VOL IOH IOL IIH IIL NOTE These parameters are for digital interface pins, such as GPIOs (including NETLIGHT and STATUS), I2C, UART, PCM, SPI and BOOT_CFG. The operating temperature of SIM7090G is listed in the following table. Table 37: Operating temperature Parameter operation temperature Storage temperature NOTE Min.

-40

-45 Typ. 25 25 Max. 85

+90 Unit Module is able to make and receive voice calls, data calls, SMS and make GPRS/LTE traffic in -40 ~

+85. The performance will be reduced slightly from the 3GPP specifications if the temperature is outside the normal operating temperature range and still within the extreme operating temperature range. www.simcom.com 55 / 77 SIM7090G User Manual V1.01 5.3 Operating Mode 5.3.1 Operating Mode Definition The table below summarizes the various operating modes of SIM7090G product. Table 38: Operating mode Definition Mode n o i t a r e p o l a m r o N Function In this case, the current consumption of module will be reduced to the minimal level and the module can still receive paging message and SMS. Software is active. Module is registered to the network, and the module is ready to communicate. Sleep Idle Cat-M1 Voice Call Connection between two subscribers is in progress. In this case, the power consumption depends on network settings. Standby Module is ready for data transmission, but no data is currently sent or received. In this case, power consumption depends on network settings. Data transmission There is data transmission in progress. In this case, power consumption is related to network settings (e.g. power control level);

uplink/downlink data rates, etc. Minimum functionality mode Flight mode Power Saving Mode (PSM) AT command AT+CFUN=0 and AT+CSCLK=1 can be used to set the module to a minimum functionality mode without removing the power supply. In this mode, the RF part of the module will not work and the SIM card will not be accessible, but the serial port and USB port are still accessible. The power consumption in this mode is lower than normal mode. AT command AT+CFUN=4or W_DISABLE# pin can be used to set the module to flight mode without removing the power supply. In this mode, the RF part of the module will not work, but the serial port and USB port are still accessible. The power consumption in this mode is lower than normal mode. Setting AT command AT+CPSMS=1 can be enable the PSM mode. In this mode, The mode is similar to power-off. But the module remains registered on the network and there is no need to re-attach or re-establish the network connections. And all of the functions will be unavailable except the RTC function. PWRKEY and timer expires can wake up the module. www.simcom.com 56 / 77 Extended Mode DRX

(e-DRX) In idle or sleep mode, module and the network may negotiate over non-access stratum signaling the use of extended mode DRX for reducing power consumption. SIM7090G User Manual V1.01 When the module enters into flight mode, the RF function does not work, and all AT commands correlative with RF function will be inaccessible. This mode can be set via the following ways. Hardware: W_DISABLE#* is pulled up by default. Driving it to low level will let the module enter Software: AT+CFUN=4 can be used to set the module to flight mode without removing the power 5.3.2 Flight Mode into flight mode. supply. 5.3.3 Sleep mode Module can enter into sleep mode for reducing its power consumption in idle module. In sleep mode, the current consumption of module will be reduced to very small level, and module can still receive paging message and SMS. Several hardware and software conditions must be satisfied together in order to let SIM7090G enter sleep mode:

USB condition: Connected USB cant enter into sleep mode. So if module wants to enter into sleep mode, it must disconnect the power supply for USB_VBUS first. Software condition: If module wants to enter into sleep mode, AT comment AT+CSCLK=1 must be set to close some clock in the module. If the value AT+CSCLK is 0, module will never enter into sleep mode. UART condition: If module wants to enter into sleep mode, AT comment AT+CSCLK=1 must be set to close some clock in the module. If the value AT+CSCLK is 0, module will never enter into sleep mode. If it meets all the conditions at the same time, module will enter into sleep mode. In sleep mode, the UART is unavailable. If the host need to communicate with module, it need to pull down DTR can wake up module. 5.3.4 Minimum functionality mode and Flight mode There are three functionality modes, which could be set by AT command AT+CFUN=<fun>. The command provides the choice of the functionality levels <fun>=0, 1, 4. AT+CFUN=0: Minimum functionality AT+CFUN=1: Full functionality (Default) AT+CFUN=4: Flight mode www.simcom.com 57 / 77 SIM7090G User Manual V1.01 If SIM7090G has been set to minimum functionality mode, the RF function and SIM card function will be closed. In this case, the serial port and USB are still accessible, but RF function and SIM card will be unavailable. If SIM7090G has been set to flight mode, the RF function will be closed. In this case, the serial port and USB are still accessible, but RF function will be unavailable. When SIM7090G is in minimum functionality or flight mode, it can return to full functionality by the AT command AT+CFUN=1. 5.3.5 Power Saving Mode (PSM) SIM7090G module can enter into PSM for reducing its power consumption. The mode is similar to power-off, but the module remains registered on the network and there is no need to re-attach or re-establish the network connections. So in PSM all the functions will be unavailable except the RTC function, module cannot immediately respond users requests. When the module wants to use the PSM, it can be enabled via AT+CPSMS=1 command. The command takes effect after module reboot. If the network supports PSM and accepts that the module uses PSM, the network confirms usage of PSM by allocating an Active Time value to the module. Module will be into PSM according to the command from network. Either of the following methods will wake up the module from PSM:

Pulling PWRKEY pin to low level will wake up the module. When the timer expires, the module will be automatically woken up. 5.3.6 Extended Mode DRX (e-DRX) In idle or sleep mode, module and the network may negotiate over non-access stratum signaling the use of extended mode DRX for reducing power consumption. E-DRX diagrammatic sketch refer to the following figure. www.simcom.com 58 / 77 ptw ptw ptw SIM7090G User Manual V1.01 DRX DRX DRX Cycle length Cycle length Cycle length Figure 30: e-DRX diagrammatic sketch When module and the network negotiate stratum signaling in idle mode or sleep mode, extended mode DRX can decrease the times of paging time window (PTW) and increase the cycle length. For this reason it had reduced the times of DRX, and had reduced the frequency of DRX between module and the network. So that can reduce power consumption for module. If e-DRX is supported by the network, then it can be enabled by AT+CEDRXS command. NOTE For details about AT+CEDRXS, please refer to Document [1]

5.4 Current Consumption The current consumption is listed in the table below. Table 39: Current consumption on VBAT Pins (VBAT=3.8V) GNSS supply current

(AT+CFUN=0,without USB connection) Tracking, typical: 54mA GNSS Sleep/idle mode Power Saving Mode www.simcom.com LTE supply current

(GNSS offwithout USB connection) Sleep mode Typical: 0.78mA @DRX2.56S Idle mode Typical: 14mA 59 / 77 SIM7090G User Manual V1.01 PSM supply current PSM mode Typical: 3uA e-DRX e-DRX mode supply current :

( AT+CSCLK=1 AT+CNETLIGHT=0 AT+CEDRX=2,1,X, ) Data Transmission

@PTW=40.96seDRX=81.92sDRX=2.56s Typical0.65mA

@PTW=25.6seDRX=163.84sDRX=2.56s, Typical0.46 mA LTE Cat-M1 LTE-FDD B13

(Band Width: 10MHz) LTE-FDD B14 LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B27 LTE-FDD B28

@21dbm Typical: 114mA

@10dbm Typical: 101mA

@0dbm Typical: 91mA

@21dbm Typical: 111mA

@10dbm Typical: 102mA

@0dbm Typical: 91mA

@21dbm Typical: 109mA

@10dbm Typical: 101mA

@0dbm Typical: 90mA

@21dbm Typical: 110mA

@10dbm Typica : 100mA

@0dbm Typical: 90mA

@21dbm Typical: 112mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 113mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 110mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 112mA

@10dbm Typical: 99mA

@0dbm Typical: 93mA

@21dbm Typical: 112mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 112mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 111mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 113mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 111mA

@10dbm Typical: 102mA

@0dbm Typical: 91mA

@21dbm Typical: 112mA

@10dbm Typical: 100mA

@0dbm Typical: 91mA

@21dbm Typical: 110mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA

@21dbm Typical: 112mA

@10dbm Typical: 99mA

@0dbm Typical: 91mA www.simcom.com 60 / 77 SIM7090G User Manual V1.01 LTE-FDD B66 LTE-FDD B85 LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 LTE-FDD B85

@21dbm Typical: 162mA

@10dbm Typical: 130mA

@0dbm Typical: 102mA

@21dbm Typical: 174mA

@5dbm Typical: 106mA

@0dbm Typical: 100mA

@21dbm Typical: 130mA

@10dbm Typical: 86mA

@0dbm Typical: 54mA

@21dbm Typical: 124mA

@10dbm Typical: 84mA

@0dbm Typical: 53mA

@21dbm Typical: 115mA

@10dbm Typical: 83mA

@0dbm Typical: 53mA

@21dbm Typical: 114mA

@10dbm Typical: 83mA

@0dbm Typical: 53mA

@21dbm Typical: 125mA

@10dbm Typical: 74mA

@0dbm Typical: 53mA

@21dbm Typical: 126mA

@10dbm Typical: 77mA

@0dbm Typical: 52mA

@21dbm Typical: 119mA

@10dbm Typical: 73mA

@0dbm Typical: 51mA

@21dbm Typical: 123mA

@10dbm Typical: 74mA

@0dbm Typical: 52mA

@21dbm Typical: 121mA

@10dbm Typical: 75mA

@0dbm Typical: 53mA

@21dbm Typical: 123mA

@10dbm Typical: 76mA

@0dbm Typical: 53mA

@21dbm Typical: 127mA

@10dbm Typical: 78mA

@0dbm Typical: 53mA

@21dbm Typical: 124mA

@10dbm Typical: 73mA

@0dbm Typical: 53mA

@21dbm Typical: 121mA

@10dbm Typical: 76mA

@0dbm Typical: 53mA

@21dbm Typical: 122mA

@10dbm Typical: 75mA

@0dbm Typical: 52mA

@21dbm Typical: 115mA

@10dbm Typical: 83mA

@0dbm Typical: 53mA

@21dbm Typical: 118mA

@10dbm Typical: 73mA

@0dbm Typical: 50mA

@21dbm Typical: 120mA

@5dbm Typical: 55mA LTE Cat-NB1/NB2

(Band Width:

LTE-FDD B18 15KHz single tone) www.simcom.com 61 / 77 SIM7090G User Manual V1.01

@0dbm Typical: 51mA 5.5 ESD Notes SIM7090G is sensitive to ESD in the process of storage, transporting, and assembling. When SIM7090G is mounted on the users mother board, the ESD components should be placed beside the connectors which human body may touch, such as SIM card holder, audio jacks, switches, keys, etc. The following table shows SIM7090G ESD measurement performance without any external ESD component. Table 40: The ESD performance measurement (Temperature: 25, Humidity: 45%) Part VBAT,GND Antenna port Other PADs Contact discharge

+/-6K Air discharge

+/-12K

+/-5K

+/-1K

+/-10K

+/-3K www.simcom.com 62 / 77 SIM7090G User Manual V1.01 6 SMT Production Guide 6.1 Top and Bottom View of SIM7090G Figure 31: Top and bottom view of SIM7090G www.simcom.com 63 / 77 SIM7090G User Manual V1.01 6.2 Label Information Figure 32: Label information Table 41: The description of label information No. A B C D G Description LOGO No.1 Pin Project name Product code QR code www.simcom.com 64 / 77 SIM7090G User Manual V1.01 6.3 Typical SMT Reflow Profile SIMCom provides a typical soldering profile. Therefore the soldering profile shown below is only a generic recommendation and should be adjusted to the specific application and manufacturing constraints. Figure 33: The ramp-soak-spike reflow profile of SIM7090G NOTE For more details about secondary SMT, please refer to the document [19]. www.simcom.com 65 / 77 SIM7090G User Manual V1.01 6.4 Moisture Sensitivity Level (MSL) SIM7090G is qualified to Moisture Sensitivity Level (MSL) 3 in accordance with JEDEC J-STD-033. The following table shows the features of Moisture Sensitivity Level (MSL). After seal off, storage conditions must meet the following table. If the storage time was expired, module must be baking before SMT. Table 42: Moisture Sensitivity Level and Floor Life Moisture Sensitivity Level (MSL) 2a 1 2 3 4 5 6 5a Floor Life (out of bag) at factory ambient 30C/60% RH or as stated Unlimited at 30/85% RH 1 year at 30/60% RH 4 weeks at 30/60% RH 168 hours at 30/60% RH 72 hours at 30/60% RH 48 hours at 30/60% RH 24 hours at 30/60% RH Mandatory bake before use. After bake, it must be reflowed within the time limit specified on the label. www.simcom.com 66 / 77 SIM7090G User Manual V1.01 6.5 Baking In order to get better yield, the module need to bake before SMT. If the packaging is in perfect condition, the module which date of production is within six months has no use for baking. If the date of production is more than six months, the module must be baking. If the packaging had been opened or damaged, the module must be baking. Table 43: Baking conditions conditions Baking temperature Baking time NOTE parameters 120 8 hours IPC / JEDEC J-STD-033 standard must be followed for production and storage. www.simcom.com 67 / 77 SIM7090G User Manual V1.01 6.6 Stencil Foil Design Recommendation The recommended thickness of stencil foil is 0.13mm. Figure 34: stencil recommendation (Unit: mm) www.simcom.com 68 / 77 SIM7090G User Manual V1.01 7 Packaging 7.1 Tray packaging SIM7090G module support tray packaging. Figure 35: packaging diagram Module tray drawing Figure 36: Tray drawing www.simcom.com 69 / 77 SIM7090G User Manual V1.01 Table 44: Tray size Length3mm Small carton drawing 242.0 161.0 50 Width3mm Module number Figure 37: Small carton drawing Table 45: Small Carton size Length10mm Width10mm Height10mm Module number 270 180 120 50*20=1000 www.simcom.com 70 / 77 Big carton drawing SIM7090G User Manual V1.01 Figure 38: Big carton drawing Table 46: Big Carton size Length10mm Width10mm Height10mm Module number 380 280 280 1000*4=4000 www.simcom.com 71 / 77 SIM800C-DS User Manual V1.02 8 Appendix 8.1 Coding Schemes and Maximum Net Data Rates over Air Interface Table 47: Coding Schemes and Maximum Net Data Rates over Air Interface Max data ratepeak Modulation type LTE-FDD device category

(Downlink) Category M1 Category NB2 LTE-FDD device category

(Uplink) Category M1 Category NB2 300 kbps 20 kbps 300 kbps 10.3 kbps Max data ratepeak Modulation type QPSK/16QAM BPSK/QPSK QPSK/16QAM BPSK/QPSK www.simcom.com 72 / 77 SIM800C-DS User Manual V1.02 8.2 Related Documents Table 48: Related Documents NO. Title SIM7080_Series_ AT Command Manual V1.xx 3GPP TS 51.010-1

[1]

[2]

[3]

[4]

[5]

[6]

3GPP TS 34.124 3GPP TS 34.121 3GPP TS 34.123-1 3GPP TS 34.123-3

[7]

EN 301 908-02 V2.2.1

[8]

EN 301 489-24 V1.2.1

[9]

IEC/EN60950-1(2001)

[10]

3GPP TS 51.010-1

[11]

2002/95/EC

[12]

[13]

[14]

[15]

Module secondary-SMT-UGD V1.xx SIM7090G UART Application Note_V1.xx ETSI EN 301 908-13

(ETSI TS 136521-1 R13.4.0) ANTENNA DESIGN GUIDELINES FOR MULTI-ANTENNA SYSTEM V1 01 Description AT Command Manual

(UE) conformance specification; Part 3:

telecommunications system (Release 5);

Digital cellular Mobile Station (MS) conformance specification Electromagnetic Compatibility (EMC) for mobile terminals and ancillary equipment. Electromagnetic Compatibility (EMC) for mobile terminals and ancillary equipment. Technical Specification Group Radio Access Network;

Terminal conformance specification; Radio transmission and reception (FDD) User Equipment Abstract Test Suites. Electromagnetic compatibility and Radio spectrum Matters

(ERM); Base Stations (BS) and User Equipment (UE) for IMT-2000. Third Generation cellular networks; Part 2:

Harmonized EN for IMT-2000, CDMA Direct Spread

(UTRA FDD) (UE) covering essential requirements of article 3.2 of the R&TTE Directive Electromagnetic compatibility and Radio Spectrum Matters

(ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services; Part 24: Specific conditions for IMT-2000 CDMA Direct Spread (UTRA) for Mobile and portable (UE) radio and ancillary equipment Safety of information technology equipment (2000) Digital cellular Mobile Station (MS) conformance specification Directive of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment

(RoHS) telecommunications system (Release 5);

Module secondary SMT Guidelines This document describes how to use UART interface of SIMCom modules. IMT cellular networks; Harmonized EN covering the essential requirements of article 3.2 of the R&TTE Directive;

Part 13 Design notice for multi-antenna. www.simcom.com 73 / 77 SIM800C-DS User Manual V1.02 Data Terminal Equipment (typically computer, terminal, printer) 8.3 Terms and Abbreviations Table 49: Terms and Abbreviations Abbreviation Description ADC ARP BER BD BTS CS CSD CTS DAC DRX DSP DTE DTR DTX DAM DPO DRX e-DRX EFR EGSM EMC ESD ETS EVDO FCC FD FDMA FR GMSK GNSS GPRS GPS GSM Analog-to-Digital Converter Antenna Reference Point Bit Error Rate BeiDou Base Transceiver Station Coding Scheme Circuit Switched Data Clear to Send Digital-to-Analog Converter Discontinuous Reception Digital Signal Processor Data Terminal Ready Discontinuous Transmission Downloadable Application Module Dynamic Power Optimization Discontinuous Reception Extended Discontinuous Reception Enhanced Full Rate Enhanced GSM Electromagnetic Compatibility Electrostatic Discharge European Telecommunication Standard Evolution Data Only Federal Communications Commission (U.S.) SIM fix dialing phonebook Frequency Division Multiple Access Full Rate Gaussian Minimum Shift Keying Global Navigation Satellite System General Packet Radio Service Global Positioning System Global Standard for Mobile Communications www.simcom.com 74 / 77 SIM800C-DS User Manual V1.02 HR HSPA I2C IMEI LTE MO MS MT NMEA PAP PBCCH PCB PCS RF RMS RTC SIM SMS SMPS TDMA TE TX UART VSWR SM NC EDGE HSDPA HSUPA ZIF WCDMA VCTCXO SIM UMTS UART PSM LD MC ON RC SM Personal Communication System, also referred to as GSM 1900 Half Rate High Speed Packet Access Inter-Integrated Circuit International Mobile Equipment Identity Long Term Evolution Mobile Originated Mobile Terminated National Marine Electronics Association Password Authentication Protocol Packet Switched Broadcast Control Channel Printed Circuit Board Mobile Station (GSM engine), also referred to as TE Radio Frequency Root Mean Square (value) Real Time Clock Subscriber Identification Module Short Message Service Switched-mode power supply Time Division Multiple Access Terminal Equipment, also referred to as DTE Transmit Direction Universal Asynchronous Receiver & Transmitter Voltage Standing Wave Ratio SIM phonebook Not connect Enhanced data rates for GSM evolution High Speed Downlink Packet Access High Speed Uplink Packet Access Zero intermediate frequency Wideband Code Division Multiple Access Voltage control temperature-compensated crystal oscillator Universal subscriber identity module Universal mobile telecommunications system Universal asynchronous receiver transmitter Power saving mode SIM last dialing phonebook (list of numbers most recently dialed) Mobile Equipment list of unanswered MT calls (missed calls) SIM (or ME) own numbers (MSISDNs) list Mobile Equipment list of received calls SIM phonebook www.simcom.com 75 / 77 NC Not connect SIM800C-DS User Manual V1.02 www.simcom.com 76 / 77 SIM800C-DS User Manual V1.02 8.4 Safety Caution Table 50: Safety Caution Marks Requirements When in a hospital or other health care facility, observe the restrictions about the use of mobiles. Switch the cellular terminal or mobile off, medical equipment may be sensitive and not operate normally due to RF energy interference. Switch off the cellular terminal or mobile before boarding an aircraft. Make sure it is switched off. The operation of wireless appliances in an aircraft is forbidden to prevent interference with communication systems. Forgetting to think much of these instructions may impact the flight safety, or offend local legal action, or both. Do not operate the cellular terminal or mobile in the presence of flammable gases or fumes. Switch off the cellular terminal when you are near petrol stations, fuel depots, chemical plants or where blasting operations are in progress. Operation of any electrical equipment in potentially explosive atmospheres can constitute a safety hazard. Your cellular terminal or mobile receives and transmits radio frequency energy while switched on. RF interference can occur if is used close to TV sets, radios, computers or other electric equipment. Road safety comes first! Do not use a hand-held cellular terminal or mobile when driving a vehicle, unless it is securely mounted in a holder for hands free operation. Before making a call with a hand-held terminal or mobile, park the vehicle. GSM cellular terminals or mobiles operate over radio frequency signals and cellular networks and cannot be guaranteed to connect in all conditions, especially with a mobile fee or an invalid SIM card. While you are in this condition and need emergent help, please remember to use emergency calls. In order to make or receive calls, the cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength. Some networks do not allow for emergency call if certain network services or phone features are in use (e.g. lock functions, fixed dialing etc.). You may have to deactivate those features before you can make an emergency call. Also, some networks require that a valid SIM card be properly inserted in the cellular terminal or mobile. it 8.5 Notes:

Note that the module was assessed for use with cables of less than 3m length and not for use in automotive environments. For RF Exposure, the module was assessed for use at more than 20 cm from the body. When installing this module permanently into a host product to create a new Radio Equipment Directive device; the manufacturer responsible for the final product must assess if the combination of this module and the host equipment complies with the essential requirements of the RE Directive 2014/53/EU. EN 301 489 testing and transmitter spurious emissions tests should be not visible when installedin the host, these testing should be repeated at the final host system level. RF Exposure Statement:

For the product,under normal use condition is at least 20cm away from the body of the user,the user must keeping at least 20 cm distance to the product. www.simcom.com 77 / 77 Antenna requirements 1. Antenna List:

Type: vehicle antenna with standard SMA connector(50ohm);

Model: MF25D Antenna Gain:

B2/B4/B25:3dBi B5/B12/B13/B26/B71: 2dBi 2. The user must match the MF25D antenna with the non-standard SMA connector and cannot change the antenna. This device is intended only for OEM integrators under the following conditions: (For module device use) 1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2) The transmitter module may not be co-located with any other transmitter or antenna. As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-

product for any additional compliance requirements required with this module installed. Radiation Exposure Statement This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body. Cet appareil est conu uniquement pour les intgrateurs OEM dans les conditions suivantes:

(Pour utilisation de dispositif module) 1) L'antenne doit tre installe de telle sorte qu'une distance de 20 cm est respecte entre l'antenne et les utilisateurs, et 2) Le module metteur peut ne pas tre complant avec un autre metteur ou antenne. Tant que les 2 conditions ci-dessus sont remplies, des essais supplmentaires sur l'metteur ne seront pas ncessaires. Toutefois, l'intgrateur OEM est toujours responsable des essais sur son produit final pour toutes exigences de conformit supplmentaires requis pour ce module install. Dclaration d'exposition aux radiations:

Cet quipement est conforme aux limites d'exposition aux rayonnements ISED tablies pour un environnement non contrl. Cet quipement doit tre install et utilis avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps. FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The modular can be installed or integrated in mobile or fix devices only. This modular cannot be installed in any portable device. FCC Radiation Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and user body. If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains Transmitter Module FCC ID: 2AJYU-8VC0003 Or Contains FCC ID: 2AJYU-8VC0003 When the module is installed inside another device, the user manual of the host must contain below warning statements;

1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference.

(2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The devices must be installed and used in strict accordance with the manufacturer's instructions as described in the user documentation that comes with the product. Any company of the host device which install this modular with limit modular approval should perform the test of radiated emissionand spurious emission according to FCC Part 22H and 24E, 47 CFR Part 2, 22H, 24(E), 27 and 47 CFR Part 2, 22H, 24(E), 27, 90 requirement,Only if the test result comply with FCC Part 22H and 24E, 47 CFR Part 2, 22H, 24(E), 27 and 47 CFR Part 2,22H, 24(E), 27, 90 requirement, then the host can be sold legally. IC Warning This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) This device may not cause interference, and

(2) This device must accept any interference, including interference that may cause undesired operation of the device. The modular can be installed or integrated in mobile or fix devices only. This modular cannot be installed in any portable device. IC Radiation Exposure Statement This modular complies with IC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and user body. For a host manufacture's using a certified modular, if (1) the module's IC number is not visible when installed in the host, or (2) if the host is marketed so that end users do not have straightforward commonly used methods for access to remove the module so that the IC number of the module is visible; then an additional permanent label referring to the enclosed module: "Contains Transmitter Module IC: " 23761-

8VC0003 " or "Contains IC: 23761-8VC0003 " must be used. Le prsent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes:

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement Le modular peut tre install ou intgr dans un mobile ou rparer une seule chose Installation dans nimporte quel appareil portable. Dclaration de rayonnement IC Ce modular complies avec des radiations mettrices de rayonnement Environnement. Ceci ne doit pas tre co-localis ou oprer avec des autres Ce modular doit tre install et obtenu avec une distance minimale de 20 cm entre les radiateurs et le corps de lutilisateur. Pour un hte, on utilise un modular, si (1) le numro de module est non visible Quand on est install dans le serveur, or (2) si le propritaire est commercialis Straightforward commonly used for the access to remove travail so that the number IC en vue Le module est visible; Ensuite, le label permanent a t attribu au module:

"Contient le Module IC:" 23761-8VC0003" ou "contenu IC: 23761-8VC0003" doit" be used

 

 

 

 

 

 

 

 

 

 

SIM7090G FCC ID:2AJYU-8VC0003 IC: 23761-8VC0003 1.2mm 2mm 0.5mm 0.5mm 2mm 4mm SIM7090G FCC ID:2AJYU-8VC0003 IC: 23761-8VC0003 1mm 2.85mm 1mm 12.14mm 14.14mm 6mm 1.8mm SIM7090G FCC ID:2AJYU-8VC0003 IC: 23761-8VC0003 1.2mm 2mm 0.5mm 0.5mm 2mm 4mm SIM7090G FCC ID:2AJYU-8VC0003 IC: 23761-8VC0003 1mm 2.85mm 1mm 12.14mm 14.14mm 6mm 1.8mm

 

 

SIMCom Wireless Solutions Limited 2020.06.29 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, SIMCom Wireless Solutions Limited hereby authorize (Shenzhen STS Test Services Co., Ltd.) fo act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant t6 Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853{a). This agreement expires one year from the current date. Sincerely, Name: yongsheng Li Signature:

Yong shy tc Title: Manager Telephone: +86 21 32523134 E-mail: yongsheng.li@sim.com TCBJ FORM-4 oe Issued by: TCB Administrator Revision 6 12/06/10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIMCom Wireless Solutions Limited 2020.07.13 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (NB/CAT-M/GNSS MODULE /SIM7090G /FCC ID:

2AJYU-8VC0003) To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. required to be submitted with this application be permanently withheld from public review. Please contact me if there is any information you may need. Sincerely, Name: yongsheng Li Schematics Block diagram Operation description Part List Tune Up Procedure Signature:

Title: Manager Telephone: +86 21 32523134 E-mail: yongsheng.li@sim.com TCBJ FORM-4 Issued by: TCB Administrator Revision 6 12/06/10

 

 

 

 

 

 

 

 

 

 

Single Modular approval Declaration letter We ,apply Single modular approval for Product Name: NB/CAT-M/GNSS MODULE Model: SIM7090G FCC ID: 2AJYU-8VC0003 According to 996369 D01 Module Equip Auth Guide v01r04 and 15.212 requirement:

1) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must beon the module assembly;

Answer Yeswith shielded 2)The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal;

Answer Yes All inputs to the modules are buffered through logic or microprocessor inputs. 3)The modular transmitter must have its own power supply regulation. Answer Yes A low drop out regulator is used for modular power supply regulation. 4)The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b);

Answer Yes Device is equipped with Integral antenna.

(5)The module must demonstrate compliance in a stand-alone configuration;

Answer Yesdistance between modular and all AEs are longer than 20cm refer to setup photo.

(6) The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements);

Answer Yes The modular has a permanent fixed label, and below statement was listed in the User Manual;The host device must be labeled to display the FCCID of the module Contains FCC ID: 2AJYU-8VC0003

(7)The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee;

Answer Yes The module comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee, Refer to test report and user manual .

(8)The module must comply with RF exposure requirements Answer Yes Transmitter meets MPE calculation of 47 CFR 1.1307 . Refer to MPEReports and Refer to modular installation manual Sincerely, Name: yongsheng Li Signature:

Title: Manager Telephone: +86 21 32523134 E-mail: yongsheng.li@sim.com