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FIBOCOM NL668-LA Series Hardware Guide Version: V1.0.7 Date: 2021-05-12 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 1 of 66 Applicability Type No. Product Model Description NL668-LA NL668-LA-30 NL668-LA-05 NL668-LA-10 MCP is 2+1support MAIN_ANT, DIV_ANT, GNSS_ANT MCP is 4+2support MAIN_ANT, DIV_ANT, GNSS_ANT MCP is 2+1support MAIN_ANT, DIV_ANT, GNSS_ANT MCP is 1+1support MAIN_ANT, DIV_ANT, GNSS_ANT 1 2 3 4 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 2 of 66 Copyright Copyright 2021 Fibocom Wireless Inc. All rights reserved. Without the prior written permission of the copyright holder, any company or individual is prohibited to excerpt, copy any part of or the entire document, or transmit the document in any form. The document is subject to update from time to time owing to the product version upgrade or other reasons. Unless otherwise specified, the document only serves as the user guide. All the statements, information and suggestions contained in the document do not constitute any explicit or implicit Notice guarantee. Trademark The trademark is registered and owned by Fibocom Wireless Inc. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 3 of 66 Change History Version Author Reviewer Approver Update Date Description V1.0.7 Tan Lefan 2021-05-10 Guo Zhenqi V1.0.6 Tan Lefan Hu Wenkai Luke Liu 2021-03-10 Modify pin 138 refer to design description Add model NL668-LA-05 and NL668-LA-10 V1.0.5 Lee Du Hu Wenkai Luke Liu 2020-08-10 Update product appearance V1.0.4 Hu Wenkai Lee Du Luke Liu 2020-03-13 Update power consumption V1.0.3 Lee Du Hu Wenkai Luke Liu 2020-01-10 Add model NL668-LA-01 Modify module size. Increase the requirements of forbidden to pull up externally. V1.0.2 Tan Lefan Hu Wenkai Luke Liu 2019-10-09 boot_config1, 2, 3 pins V1.0.1 Liu Qiang Li Xiyi Chen Guojiang 2019-07-09 Update RF parameters V1.0.0 Gao Ying Tu Min Chen Guojiang 2019-06-06 Initial version Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 4 of 66 Content 1 1.1 1.2 2.1 2.2 2.3 2.4 3.1 3.2 4.1 4.2 4.3 4.4 Introduction .................................................................................................................. 8 Document Introduction.................................................................................................. 8 Safety Precautions ....................................................................................................... 8 2 Product Overview ....................................................................................................... 10 Product Introduction ................................................................................................... 10 Product Specification .................................................................................................. 10 Functional Diagram .................................................................................................... 11 Evaluation Board ........................................................................................................ 12 3 Pin Description ........................................................................................................... 13 Pin Assignment ........................................................................................................... 13 Pin Function ............................................................................................................... 13 4 Electrical Characteristics .......................................................................................... 21 Power ......................................................................................................................... 21 Power Supply ............................................................................................................. 21 1.8V Output ................................................................................................................ 22 Power Consumption ................................................................................................... 23 5 Functional Interface ................................................................................................... 26 5.1 Control Interface ......................................................................................................... 26 5.1.1 Power On/Off ...................................................................................................................... 26 5.1.1.1 Power On................................................................................................................................... 26 5.1.1.2 Power Off ................................................................................................................................... 27 5.1.2 RESET ................................................................................................................................ 28 5.2 Network Status Indicate Interface ............................................................................... 30 5.2.1 Interface Status Description ............................................................................................... 30 5.3
(U)SIM Card Interface ................................................................................................ 31 5.3.1 (U)SIM Pin Definition .......................................................................................................... 31 5.3.2 (U)SIM Interface Circuit ...................................................................................................... 32 5.3.2.1
(U)SIM Card Connector with Card Detection Signal .................................................................. 32 5.3.2.2
(U)SIM Card Connector Without Detection Signal ..................................................................... 33 5.3.3 (U)SIM Hot Plug ................................................................................................................. 33 5.3.4 (U)SIM Design Requirements ............................................................................................ 34 5.4 USB Interface ............................................................................................................. 35 5.4.1 USB Pin Definition .............................................................................................................. 35 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 5 of 66 5.5 UART Interface ........................................................................................................... 35 5.5.1 UART Interface Definition ................................................................................................... 35 5.5.2 UART Port Application ........................................................................................................ 36 ADC Interface ............................................................................................................. 37 PCM Interface ............................................................................................................ 38 5.7.1 Supported Model ................................................................................................................ 38 5.7.2 PCM Interface Definition .................................................................................................... 38 5.7.3 PCM Interface Description ................................................................................................. 38 5.7.4 PCM Signal Description...................................................................................................... 39 6 Low Power Consumption .......................................................................................... 41 Airplane Mode ............................................................................................................ 41 Sleep Mode ................................................................................................................ 41 6.2.1 USB Application (Nonsupport USB Suspend, Support VBUS) .......................................... 41 6.2.2 USB Application (Nonsupport USB Suspend, Nonsupport VBUS) .................................... 42 6.2.3 USB Application (Support USB Suspend) .......................................................................... 42 6.2.4 UART Application (WAKEUP_IN Pin Level Control) .......................................................... 42 6.2.5 UART Application (DTR Pin Level Control) ........................................................................ 43 6.2.6 ATS24 Command ............................................................................................................... 43 7 RF Interface................................................................................................................. 45 Operating Bands......................................................................................................... 45 Output Power ............................................................................................................. 45 Receive Sensitivity ..................................................................................................... 46 GNSS Receiver .......................................................................................................... 48 7.4.1 GNSS Specification ............................................................................................................ 48 7.4.2 GNSS Observe Protocol .................................................................................................... 48 7.5 Antenna Design .......................................................................................................... 48 7.5.1 Antenna Index ..................................................................................................................... 48 7.5.2 Antenna Reference Design ................................................................................................ 50 8 Reliability .................................................................................................................... 53 8.1 Limiting Voltage Range ............................................................................................... 53 8.1.1 Absolute Voltage Range ..................................................................................................... 53 8.1.2 Operating Voltage Range ................................................................................................... 53 Environment Temperature Range ............................................................................... 53 Environmental Reliability Requirements ...................................................................... 54 5.6 5.7 6.1 6.2 7.1 7.2 7.3 7.4 8.2 8.3 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 6 of 66 8.4 ESD Characteristics ................................................................................................... 54 9 Structure Specification .............................................................................................. 56 9.1 9.2 9.3 9.4 9.5 11.2 11.3 10 11 Product Appearance ................................................................................................... 56 Structure Dimension ................................................................................................... 56 PCB Soldering Pad and Stencil Design ...................................................................... 57 SMT............................................................................................................................ 57 Carrier and storage ..................................................................................................... 57 Approval ............................................................................................................... 58 Appendixes ........................................................................................................... 59 11.1 GPRS and EGPRS Encoding Scheme ....................................................................... 59 Terms and Acronyms .................................................................................................. 60 Related Documents .................................................................................................... 62 11.4 Reference Standards .................................................................................................. 62 12 FCC Conformance information ........................................................................... 64 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 7 of 66 1 Introduction 1.1 Document Introduction This document describes the electrical characteristics, RF performance, structure size, application environment, etc. of NL668-LA module. With the assistance of the document and other instructions, the developers can quickly understand the hardware functions of the NL668-LA module and develop products. 1.2 Safety Precautions By following the safety guidelines below, you can protect the personal safety and help protect the product and work environment from potential damage. Product manufacturers need to communicate the following safety instructions to end users. In case of failure to comply with these safety rules, Fibocom Wireless will not be responsible for the consequences caused by the users misuse. Road safety first! When you drive, do not use the handheld devices even if it has a hand-free feature. Please stop and call!
Please turn off the mobile device before boarding. The wireless feature of the mobile device is not allowed on the aircraft to prevent interference with the aircraft communication system. Ignoring this note may result in flight safety issue or even breaking the law. When in a hospital or health care facility, please be aware of restrictions on the use of mobile devices. Radio frequency interference may cause medical equipment to malfunction, so it may be necessary to turn off the mobile device. The mobile device does not guarantee that an effective connection can be made under any circumstances, for example, when there is no prepayment for the mobile device or the (U)SIM is invalid. When you encounter the above situation in an emergency, remember to use an emergency call, while keeping your device turned on and in areas where signal is strong. Your mobile device receives and transmits RF signals when it is powered on. Radio interference occurs when it is near televisions, radios, computers, or other electronic devices. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 8 of 66 Keep the mobile device away from flammable gases. Turn off the mobile device when near gas stations, oil depots, chemical plants or explosive workplaces. There is a safety hazard in operating electronic equipment in any potentially explosive environment. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 9 of 66 2 Product Overview 2.1 Product Introduction 2.2 Product Specification Table 2-1 Product specification Specification The NL668-LA series wireless module is a broadband wireless terminal product applicable to various network formats and multi-bands include TDD-LTE/FDD-LTE/WCDMA/GSM. NL668-LA LTE FDD: Band 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66 Operating NL668-LA-05 LTE TDD: Band 38, 40 frequency NL668-LA-10 WCDMA/HSPA+: Band 1, 2, 3, 4, 5, 8 NL668-LA-30 GSM/GPRS/EDGE: 850/900/1800/1900MHz Data transmission WCDMA Rel.8 DC-HSDPA+: 42MbpsDL (Cat24)/HSUPA:5.76Mbps UL LTE FDD Rel.9 LTE TDD Rel.9 150Mbps DL/50Mbps UL (Cat 4) LTE Downlink MIMO 22, 42 (support part of R10) 130Mbps DL/30.5Mbps UL (Cat 4) LTE Downlink MIMO 22, 42 (support part of R10) UMTS: 384 kbps DL/384 kbps UL GPRS/EDGE Rel.5 GPRS: 107kbps DL/85.6kbps UL (multi-slot class 33) EDGE(E-GPRS): 296kbps DL/236.8kbps UL (multi-slot
(Cat 6) class 33) Power 3.3V to 4.3V (typical 3.8V) Temperature Extended:-40C to +85C Normal: -30C to +75C Storage:-40C to +90C Base current: < 2mA Power consumption Sleep mode: 4mA Idle mode: < 20mA (USB sleep), < 30mA (USB wakeup) Physical characteristics Package: LCC+LGA 144 Pin Size: (32.00.15) mm (29.00.15) mm (2.40.2) mm Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 10 of 66 Interface Antenna Weight: about 5.2g Antenna: MAIN, GNSS, DIV
(U)SIM 3.0V/1.8V USB 2.0 Functional Interface Status Indicator UART x 2, PCM, I2C, SGMII, SPI, SDIO, GPIOs Software ADC x 2 Protocol Stack Embedded TCP/IP and UDP/IP protocol stack AT Command 3GPP TS 27.007 and 27.005, and proprietary FIBOCOM AT Firmware update USB (UART does not support DOWNLOAD) Voice service Waiting and Multi-Talk, etc. VoLTE, HR, FR, EFR, AMR, DTMF, Caller ID, Call Transfer, Call Hold, Call SMS point-to-point MO, MT; cell broadcast; support Text and PDU modes Note:
When the temperature is beyond the normal operating temperature range (-30 C to + 75 C), the RF performance of the module may slightly exceed the 3GPP specification. 2.3 Functional Diagram Functional diagram shows the main hardware features of the NL668-LA series module, including USB, (U)SIM, PCM, I2C, SPI, UART, SGMII, SDIO, GPIOs GSM/CDMA/EVDO/WCDMA/TD-SCDMA/LTE TDD/LTE FDD controller baseband and RF features. Baseband includes:
PMIC MCP RF includes:
RF Transceiver RF PA RF filter Antenna Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 11 of 66 Figure 2-1 Functional diagram 2.4 Evaluation Board Fibocom provides EVK-GT8230-NL, ADP-NL668-LA evaluation board to convenient module's debug and use. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 12 of 66 3 Pin Description 3.1 Pin Assignment The NL668-LA series module is available in 144 pins. The numbers of the LCC pins are 80, and the LGA pins are 64. the top view of the pin assignment is shown as follow figure:
Figure 3-1 Pin assignment (top view diagram) Note:
85 to 112 are thermal pins, and the module is grounded internally. It is recommended that the heat sink pad is reserved for PCB packaging and welded. 3.2 Pin Function Table 3-1 I/O description parameters Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 13 of 66 Symbol Description Input/Output Digital input Digital output Power input Power output Analog input Analog output Open drain Open collector The pin function description of NL668-LA series module is shown as table 3-2:
Table 3-2 Pin function description Pin No. Pin Name I/O Level Description 1 WAKEUP_IN VILmin=-0.3V External device wake-up module, low VILmax=0.6V active by default. with software VIHmin=1.2V programmable option. Boot_config GPIO, VIHmax=2.0V forbidden to pull-up externally. I I VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V AP_READY Reserved RESERVED
Reserved W_DISABLE#
I default. Pull down this pin, module enter Module flight mode control. pull up by airplane mode pull-up externally. NET_MODE O VOHmin=1.35V default), Boot_config GPIO, forbidden to VOLmax=0.45V Module network state indicate (by NET_STATUS O Module network state indicate VOLmax=0.45V VOHmin=1.35V VDD_EXT PO 1.8V Module digital level, 1.8V output, 80mA GND GND GND G G G
Ground Ground Ground Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 14 of 66 IO DI DO PI PO AI AO OD OC 2 3 4 5 6 7 8 9 10 I O Pin No. Pin Name I/O Level Description 11 DBG_RXD Debug serial port receive data 12 DBG_TXD Debug serial port transmit data 13 USIM_PRESENCE I
(U)SIM card hot plug detection 14 USIM_VDD PO For 3.0V (U)SIM:
(U)SIM power, identify 1.8V or 3V (U)SIM card automatically 15 USIM_DATA IO
(U)SIM data signal 16 USIM_CLK O
(U)SIM clock signal 17 USIM_RST O
(U)SIM reset signal Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 15 of 66 VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VOLmax=0.45V VOHmin=1.35V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V For 1.8V (U)SIM:
Vmax=1.9V Vmin=1.7V Vmax=3.05V Vmin=2.7V IOmax=50mA For 1.8V (U)SIM:
VILmax=0.6V VIHmin=1.2V VOLmax=0.45V VOHmin=1.35V For 3.0V (U)SIM:
VILmax=1.0V VIHmin=1.95V VOLmax=0.45V VOHmin=2.55V For 1.8V (U)SIM:
VOLmax=0.45V VOHmin=1.35V For 3.0V (U)SIM:
VOLmax=0.45V VOHmin=2.55V For 1.8V (U)SIM:
VOLmax=0.45V VOHmin=1.35V For 3.0V (U)SIM:
Pin No. Pin Name I/O Level Description NC GND
G
NC Ground 18 19 20 RESET_N I VIHmin=1.3V Module reset signal, active low, no need pull up externally 21 PWRKEY I VIHmin=1.3V up to an internal voltage minus a diode Module power on/off signal, active low, no VIHmax=2.1V need pull up externally. The input is pulled VILmax=0.5V drop. As per the design, this causes the voltage of the pin is about 0.8V 22 23 GND SD_INS_DET
Ground Reserved 24 PCM_IN PCM input signal 25 PCM_OUT PCM output signal 26 PCM_SYNC IO PCM synchronization signal G I I O VOLmax=0.45V VOHmin=2.55V VIHmax=2.1V VILmax=0.5V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VOLmax=0.45V VOHmin=1.35V VOLmax=0.45V VOHmin=1.35V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VOLmax=0.45V VOHmin=1.35V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V 27 PCM_CLK IO PCM clock signal 28 29 30 31 32 SDC2_DATA3 SDC2_DATA2 SDC2_DATA1 SDC2_DATA0 SDC2_CLK IO IO IO IO O
Reserved Reserved Reserved Reserved Reserved Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 16 of 66 Pin No. Pin Name I/O Level Description SDC2_CMD VREG_L13_2P85 IO PO
OD OD I
O O I O
I I I
G G G G G G
G ANT_DIV GND SPI_CS_N SPI_MOSI SPI_MISO SPI_CLK I2C_SCL I2C_SDA NC ADC1 ADC0 GND GND GND GND GND GND GND NC GND ANT_GNSS ANT_MAIN IO 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 I2C interface clock signal I2C interface data signal NC Analog to digital converter interface1 Analog to digital converter interface 0 Diversity antenna Reserved Reserved Ground Reserved Reserved Reserved Reserved Ground GNSS antenna Ground Main antenna Ground Ground Ground Ground Ground NC Ground Vmax=4.3V Vnorm=3.8V Vmax=4.3V Vnorm=3.8V Vmax=4.3V Vnorm=3.8V Vmax=4.3V Vnorm=3.8V VBAT_RF PI Vmin=3.3V RF power input (3.3V~4.3V) 58 VBAT_RF PI Vmin=3.3V RF power input (3.3V~4.3V) 59 VBAT_BB PI Vmin=3.3V Baseband power input3.3V~4.3V 60 VBAT_BB PI Vmin=3.3V Baseband Power Input (3.3V~4.3V) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 17 of 66 Pin No. Pin Name I/O Level Description STATUS Module network state indicate 61 62 63 64 RI DCD CTS Module output ring indicator Module output data carrier detection Request to send O O O O I I O I VOHmin=1.35V VOLmax=0.45V VOLmax=0.45V VOHmin=1.35V VOLmax=0.45V VOHmin=1.35V VOLmax=0.45V VOHmin=1.35V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V VOLmax=0.45V VOHmin=1.35V VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V Conform to specification Conform to specification Vmax=5.25V Vnorm=5.0V 65 RTS Clear to send 66 DTR Data ready. The control of the sleep mode 67 TXD Transmit data 68 RXD Receive data 69 USB_DP IO USB2.0 standard USB differential data bus (+) 70 USB_DM IO USB2.0 standard USB differential data bus (-) 71 USB_VBUS PI Vmin=3.0V USB plug detection 72,76 73,82 GND RESERVED 74,75,77~
81,83,84 NC 85~112 GND 113 NC G
G
Ground Reserved NC GND NC Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 18 of 66 Pin No. Pin Name I/O Level Description 114 NC
NC 115 USB_BOOT VILmax=0.6V Emergency download, active high, VIHmin=1.2V recommended to reserve test point VILmin=-0.3V VIHmax=2.0V NC Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 NC RESERVED WLAN_SLP_CLK EPHY_RST_N EPHY_INT_N SGMII_MDATA SGMII_MCLK SGMII_TX_M SGMII_TX_P SGMII_RX_P SGMII_RX_M PM_ENABLE VREG_L5_UIM2 SDC1_DATA3 SDC1_DATA2 SDC1_DATA1 SDC1_DATA0 SDC1_CLK SDC1_CMD WAKE_WLAN WLAN_EN COEX_UART_RXD I 138 COEX_UART_TXD O
I
O O I IO O O O I I IO IO IO IO O O I O O PO
Reserved, Boot_config GPIO, forbidden to pull-up externally.
(Applicable to NL668-LA-00 and NL668-LA-01. But NL668-LA-05 and NL668-LA-10 are not subject to this restriction) 139 140 141 BT_EN NC RESERVED O
Reserved NC Reserved Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 19 of 66 Pin No. Pin Name I/O Level Description 142 143 144 RESERVED RESERVED RESERVED
Reserved Reserved Reserved Note:
Keep the unused pins floating. The reserved pins are in development. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 20 of 66 4 Electrical Characteristics 4.1 Power Table 4-1 show the power interface of NL668-LA series module. Table 4-1 Power interface Pin Name I/O Pin Description VBAT_RF VBAT_BB PI PI 57, 58 59, 60 Module power supply, 3.3V~4.3V, typical value 3.8V Module power supply, 3.3V~4.3V, typical value 3.8V VDD_EXT PO 7 Module digital voltage output, 1.8V, 80mA GND G 48, 5054, 56, 72, 76, All GND pins must be grounded 8, 9, 10, 19, 22, 36, 46, 85112 In the rest of the document, VBAT includes VBAT_BB and VBAT_RF. Note:
4.2 Power Supply shown in Figure 4-1:
The NL668-LA series module needs to be powered by the VBAT pin. The recommend power design is Figure 4-1 Recommend power design Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 21 of 66 Table 4-2 Filter capacitors design of power supply Recommended Capacitor Application Description 220uF x 2 Regulating capacitor LDO or DCDC power requires not Reduce power fluctuations during module operation, requiring low ESR Capacitor less than 440uF capacitor Battery power can be properly reduced to 100uF ~ 220uF capacitor Filter clock and digital signal interference 1uF, 100nF Digital signal noise 39pF, 33pF 700, 850/900 MHz bands Filter low band RF interference 18pF, 8.2pF, 6.8pF 1700/1800/1900,2100/2300,2500/
Filter middle/high band RF 2600MHz bands interference circuit. The power stability can ensure the normal operation of NL668-LA module. The power supply ripple limit for the module is no more than 300mV (the circuit ESR < 100m) requires special attention when design When the module is operating in GSM mode (Burst transmit), the maximum operating current can reach 3A, and the power voltage needs to be at least 3.3V. Otherwise, the module may power off or restart. The power limit is shown in Figure 4-2:
Figure 4-2 Power limit 4.3 1.8V Output The NL668-LA series module outputs a 1.8V voltage through the VDD_EXT for the use of the internal digital circuit of module. The voltage is the logic level of the module and can be used to indicate module Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 22 of 66 Burst transmitBurst transmitmin:3.3VVBATRipple300mVDrop VBAT3.3V Power on/off, or for external low current (< 80mA) circuits. leave the signal floating if no use. The logic level of VDD_EXT is defined as follows:
Table 4-3 VDD_EXT logic level Parameter VDD_EXT Minimum Typical Maximum Unit 1.71 1.8 1.89 V 4.4 Power Consumption The power consumption of NL668-LA series module measured at 3.8V power supply is shown as follow table, for USB sleep and USB wakeup AT commands please refer to 6.1.2 section:
Table 4-4 Power consumption Parameter Mode Condition Average Current Typ. (mA) Ioff Power off Module power off 0.018 Iidle Radio off LTE FDD Isleep GSM WCDMA MFRMS=5 (USB sleep) MFRMS=5 (USB wakeup) DRX=8 (USB sleep) DRX=8 (USB wakeup) Paging cycle #64 frames (USB sleep) Paging cycle #64 frames (USB wakeup) Paging cycle #64 frames (USB sleep) Paging cycle #64 frames (USB wakeup) AT+CFUN=0,0 (USB sleep) AT+CFUN=0,0 (USB wakeup) LTE TDD Radio off GSM MFRMS=5 (USB sleep) WCDMA DRX=8 (USB sleep) Paging cycle #64 frames (USB sleep) LTE FDD Paging cycle #128 frames (USB sleep) Paging cycle #256 frames (USB sleep) Paging cycle #64 frames (USB sleep) LTE TDD Paging cycle #128 frames (USB sleep) Paging cycle #256 frames (USB sleep) 15 30 15 30 15 30 15 30 15 30 3 3 3 3 3 3 3 3 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 23 of 66 Parameter Mode Condition Average Current Typ. (mA) IGSM-RMS GSM IGPRS-RMS CS4 GPRS IEGPRS-RMS MCS9 EDGE IWCDMA-RMS WCDMA ILTE-RMS LTE FDD GSM850 PCL5 EGSM900 PCL5 DCS1800 PCL0 PCS1900 PCL0 GPRS Data transfer GSM850; PCL=5;
1Rx/4Tx GPRS Data transfer GSM900; PCL=5;
1Rx/4Tx GPRS Data transfer DCS1800; PCL=0;
1Rx/4Tx GPRS Data transfer PCS1900; PCL=0;
1Rx/4Tx EDGE Data transfer GSM850; PCL=8;
1Rx/4Tx EDGE Data transfer GSM900; PCL=8;
1Rx/4Tx EDGE Data transfer DCS1800; PCL=2;
1Rx/4Tx EDGE Data transfer PCS1900; PCL=2;
1Rx/4Tx WCDMA Data transfer Band 1
@+23.5dBm WCDMA Data transfer Band 2
@+23.5dBm WCDMA Data transfer Band 3
@+23.5dBm WCDMA Data transfer Band 4
@+23.5dBm WCDMA Data transfer Band 5
@+23.5dBm WCDMA Data transfer Band VIII@+23.5dBm LTE FDD Data transfer Band 1
@+23dBm LTE FDD Data transfer Band 2
@+23dBm LTE FDD Data transfer Band 3
@+23dBm LTE FDD Data transfer Band 4
@+23dBm 260 260 200 200 570 570 430 430 470 460 440 440 650 620 700 700 550 570 650 650 730 700 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 24 of 66 Parameter Mode Condition Average Current Typ. (mA) LTE FDD Data transfer Band 5
@+23dBm LTE FDD Data transfer Band 7
@+23dBm LTE FDD Data transfer Band 8
@+23dBm LTE FDD Data transfer Band 12
@+23dBm LTE FDD Data transfer Band 17
@+23dBm LTE FDD Data transfer Band 20
@+23dBm LTE FDD Data transfer Band 28
@+23dBm LTE FDD Data transfer Band 66
@+23dBm 580 750 580 650 670 650 680 720 400 420 LTE TDD LTE TDD Data
@+23dBm LTE TDD Data
@+23dBm transfer Band 38 transfer Band 40 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 25 of 66 5 Functional Interface 5.1 Control Interface Table 5-1 Control signal Pin name I/O Pin No. Description Control interfaces used for module power on/off and reset operations. The pin definitions are as follows:
RESET_N I 20 When the module in operating mode, pull down RESET_N 700ms to 1s, and then release it, the module is reset. When module in power off mode, pull down PWRKEY 100ms to 2s, and release it, the module will power on; When module in operating mode, pull down PWRKEY 3s to 8s, and then release it, the module will power off. PWRKEY I 21 5.1.1 Power On/Off 5.1.1.1 Power On circuit is shown as follows:
When NL668-LA series module in power off mode, pull down PWRKEY pin 100ms to 2s, the module will power on, it is recommended to use OC/OD drive circuit to control PWRKEY pin. The OC drive reference Figure 5-1 OC drive power on reference circuit The other way to control PWRKEY pin is use a button switch, a TVS should located near the button
(recommended ESD9X5VL-2/TR) for ESD protection. The button switch power on reference circuit is shown as follows:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 26 of 66 Figure 5-2 Button switch power on reference circuit Figure 5-3 shows power on timing. Note:
Figure 5-3 Power on timing Before pull down PWRKEY pin, the Voltage of VBAT must be stable, recommended time interval between VBAT enable and pull down PWRKEY pin at least 30ms. 5.1.1.2 Power Off The module supports three power off methods as table 5-2. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 27 of 66 Table 5-2 Power Off Power Off Mode Power Off Method Applicable Scenario Low-voltage power When VBAT voltage is low or power off down, the module will power off The module does not power off through normal process, i.e. does not logout from the base station Hardware power off Pull down PWRKEY 3s to 8s Hardware normal power off AT power off AT+ CPWROFF Software normal power off Note:
1.When module at operating mode, please do not cut off module power supply to avoid damage internal flash. Recommended by PWRKEY pin or AT commands power off module, 2.When power off by AT commands, please dont pull down PWRKEY pin, otherwise module then cut off power supply. will power on again automatically. The power off timing is shown as follows:
The module supports two modes to reset: hardware reset and software reset. 5.1.2 RESET Table 5-3 Reset Reset Mode Hardware reset Software reset Figure 5-4 Power off timing Reset Method Pull down RESET_N pin 700s to 1s, then release it Sent AT commands AT+RESET Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 28 of 66 Clients can control RESET_N pin by two modes: OC/OD drive circuits and button switch, corresponding reference circuit as Figure 5-5 and Figure 5-6:
Figure 5-5 OC driven reset reference circuit Figure 5-6 Button reset reference circuit The reset timing is shown as follows:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 29 of 66 Figure 5-7 Reset timing 5.2 Network Status Indicate Interface NL668-LA series module provides three network status indicate pins. Pin 5 is network status indicator by default, AT commands AT+LEDCFG can switch to pin6 or pin61, table 5-4 is the pin definition. Table 5-4 Network status indicator PIN Name NET_MODE NET_STATUS STATUS I/O O O O 5 6 61 PIN No. Description Network status indicator (by default) Network status indicator Network status indicator 5.2.1 Interface Status Description Network status indicate pins are used to driven indicate light and describe modules network status, NL668-LA series module network indicates light work status description as follow table:
Table 5-5 Network indicator light work status Module Network Indicator Indicator Light Flash/Off Mode Pin Status Status Description Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 30 of 66 Module Network Indicator Indicator Light Flash/Off Mode Pin Status Status Description 1 600ms High/600ms Low Flash 600ms on/600ms off Registering network (T<15s) No SIM card Request SIM PIN Register network failed 75ms High/75ms Low Data link established 3000ms High/75ms Low Standby Slow flash 3000ms on/75ms off Speed flash 75ms on/75ms off Off On Voice call Sleep 2 3 4 5 Low High NL668-LA series module network indicates light reference design circuits shown as follows:
Figure 5-8 Network indicator light reference circuits NL668-LA series module has built-in (U)SIM card interface, and supports 1.8V and 3.0V (U)SIM card. 5.3 (U)SIM Card Interface 5.3.1 (U)SIM Pin Definition
(U)SIM pin definition is shown in the following table:
Table 5-6 (U)SIM card pin Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 31 of 66 I/O I PO IO O O Pin name USIM_PRESENCE USIM_VDD USIM_DATA USIM_CLK USIM_RESET Pin No. Description Detect (U)SIM card for Hot-swap 13 14 15 16 17
(U)SIM Power
(U)SIM DATA Clock Signal Reset Signal 5.3.2 (U)SIM Interface Circuit 5.3.2.1 (U)SIM Card Connector with Card Detection Signal
(U)SIM circuit design requires use (U)SIM card connector, recommend chose with card detect signal that support card hot swap function (Fibocom recommend: SIM016-8P-220P). Figure 5-9 (U)SIM card connector (SIM016-8P-220P) SIM016-8P-220P card connector, DET and POL are short connected when the card is inserted; DET and POL are disconnected when there is no card. The following is the reference design circuit, (U)SIM card insert, USIM_PRESENCE pin is high level; (U)SIM card pull out, USIM_PRESENCE pin is low level. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 32 of 66 Figure 5-10 (U)SIM card connector with detection signal reference circuit 5.3.2.2 (U)SIM Card Connector Without Detection Signal If use (U)SIM card connector without detection signal USIM_ PRESENCE pin must keep floating. Figure 5-11 (U)SIM card connector without detection signal reference circuit 5.3.3 (U)SIM Hot Plug NL668-LA series module support (U)SIM hot plug function, it determines the insertion and removal of
(U)SIM card by detect the USIM_ PRESENCE pin state. The card hot plug function can be configured by the AT+MSMPD command, and the AT commands are shown in the following table:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 33 of 66 Table 5-7 (U)SIM card hot plug function configured AT Command
(U)SIM Card Hot Plug Detection Function Description AT+MSMPD=1 Enabled The module determines the insertion and removal of
(U)SIM card by detect the USIM_ PRESENCE pin
(U)SIM card hot plug detection is enabled by default. state
(U)SIM card hot plug detection function is disabled The module read the (U)SIM card when module power on, and does not detect the USIM_PRESENCE state AT+MSMPD=0 Disabled Note:
command. After enabled the hot plug detection function of the (U)SIM card, if USIM_PRESENCE is in high level, the module will detect the (U)SIM card insertion and execute card initialization program. After reading the
(U)SIM card information, the module will register network. When the USIM_PRESENCE is in low level, the module detects (U)SIM card is removed, and it will not read the (U)SIM card. The USIM_PRESENCE pin active high by default, and can be switched to active low by AT Table 5-8 USIM_PRESENCE effective level switched AT Command Function Description AT+GTSET= SIMPHASE,1 Default, high level detect AT+GTSET= SIMPHASE,0 Low level detect 5.3.4 (U)SIM Design Requirements
(U)SIM card circuit design shall meet EMC standards and ESD requirements, and at the same time, shall improve anti-interference ability to ensure that the (U)SIM card can work stably. The design needs to strictly observe the following rules:
(U)SIM card connector is placed as close to the module as possible, away from the RF antenna, DCDC power, clock signal lines and other strong interference sources;
Adopt the (U)SIM card connector with metal shield shell to improve anti-interference ability;
The length of cable from the module to the (U)SIM card connector shall not exceed 100mm. Longer Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 34 of 66 cable reduces signal quality. USIM_CLK and USIM_DATA signals are ground isolated to avoid mutual interference. If it is difficult to do so, (U)SIM signal needs to be ground protected as a set;
The filter capacitor and ESD device of (U)SIM card signal cable should place close to the (U)SIM card connector. Please select equivalent capacitor is 22Pf to 33pF for ESD device. USIM_DATA should pull up to USIM_VDD with a 10K resistor. 5.4 USB Interface 5.4.1 USB Pin Definition Table 5-9 USB pin definition USB_DP USB_DM USB_VBUS IO IO PI 69 70 71 Note:
TVS is recommended. Pin name I/O Pin No. Description USB differential data bus D+
USB differential data bus D-
USB Plug detect For more information about the USB 2.0 specification, please refer to http://www.usb.org/home Since the module supports USB 2.0 High-Speed, TVS tube equivalent capacitance on the USB_DM/DP differential signal cable is required to be less than 1pF, and a 0.5pF capacitance Connect a 0 resistor to USB_DM / DP differential line to help analyze problems. USB_DM and USB_DP are high-speed differential signal cables, can achieve the maximum transmission rate of 480Mbits/s, and must follow the rules below in PCB Layout:
USB_DM and USB_DP signal cables control differential impedance is 90. USB_DM and USB_DP signal cables shall be parallel and equal in length, and avoid the right-angle route. USB_DM and USB_DP signal cables are routed on the signal layer closest to the ground layer, and the cables shall be grounded. 5.5 UART Interface 5.5.1 UART Interface Definition NL668-LA series module has two serial ports: the main serial port and debug serial port. The main serial Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 35 of 66 ports support 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps, 230400bps baud rate. The default baud rate is 115200bps, used for data transmission and AT command transmission. Debug serial port support 115200bps baud rate for FIBOCOM internal debug. Table 5-8 and table 5-9 are the pin definition of main serial port and debug serial port. Table 5-10 Main serial port Pin Name I/O Pin No. 62 63 64 65 66 67 68 11 12 O O O I I O I RI DCD CTS RTS DTR TXD RXD Table 5-11 Debug serial port Pin Name DBG_RXD DBG_TXD I/O I O Pin Num 5.5.2 UART Port Application Description Ring indicator Data carrier detection Request to send Clear to send Data ready, sleep mode control Module Transmit data Module Receive data Description Module Receive data Module Transmit data The serial port level of NL668-LA series module is 1.8V, if the level of the client host system is 3.3V or other, level translator needed between the module and the host. The reference design circuit of level translator is shown as follows:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 36 of 66 Figure 5-12 UART level translate reference 1 The other level translator circuit is shown as Figure 5-13, The rest input and output circuit design of dotted line please refer to solid line part, but pay attention to signal connection direction. Figure 5-13 UART level translate reference 2 Level translate circuits is not suitable for applications of baud rates above 460Kbps. Note:
5.6 ADC Interface NL668-LA series module support two channels ADC interface. Use AT+MMAD command can read the value of ADC interface. The voltage range of ADC interface is 0.3V to VBAT_BB. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 37 of 66 Table 5-12 ADC pin definition PIN Name I/O Pin No. Description ADC0 ADC1 I I 45 44 Analog to digital converter interface 0 Analog to digital converter interface 1 NL668-LA series module provides a PCM interface for communication with digital audio devices such as 5.7 PCM Interface an external CODEC. 5.7.1 Supported Model Table 5-13 Supported model of PCM Product model Description NL668-LA-00 NL668-LA-01 NL668-LA-05 NL668-LA-10 Support Support Support Support 5.7.2 PCM Interface Definition Table 5-14 PCM pin definition Pin Name PCM_IN PCM_OUT PCM_SYNC PCM_CLK I/O I O IO IO 24 25 26 27 5.7.3 PCM Interface Description Table 5-15 PCM interface description Pin No. Description PCM data input PCM data output PCM data synchronous signal PCM clock Pin Name Frequency Duty Cycle Operating Mode Description Coded Format PCM_CLK 2.048MHz 50%
PCM_OUT PCM_IN
16bit Liner Module serves mono as master PCM CLK PCM Output PCM Input PCM_SYNC 8KHz Short pulse PCM Synchronous Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 38 of 66 Pin Name Frequency Duty Cycle Operating Mode Description Coded Format Signal (Falling edge sampling) NL668-LA series module adopts the above configuration by default, any adjustment please contact Fibocom Wireless technical support. 5.7.4 PCM Signal Description The PCM signal of NL668-LA series module adopts domestic mainstream Europe E1 standard. PCM_CLK frequency is 2.048MHz clock in 16bit linear format encoding. PCM_SYNC is an 8kHz burst
(488nS). Figure 5-14 PCM_SYNC timing Figure 5-15 PCM_CODEC to NL668-LA timing Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 39 of 66 Parameter Min Typ. Max Unit Figure 5-16 NL668-LA to PCM_CODEC timing Table 5-16 Codec timing parameters t(sync) PCM_SYNC cycle time t(synca) PCM_SYNC asserted time t(syncd) PCM_SYNC deasserted time t(clk) PCM_CLK cycle time t(clkh) PCM_CLK high time t(clkl) PCM_CLK low time PCM_SYNC offset time to PCM_CLK t(susync) falling t(sudin) PCM_DIN setup time to PCM_CLK falling 60 t(hdin) PCM_DIN hold time after PCM_CLK falling 10 t(pdout) t(zdout) Delay from PCM_CLK rising to PCM_DOUT valid Delay from PCM_CLK falling to PCM_DOUT high impedance 125 488 124.5 488 244 244 122 60 160 s ns s ns ns ns ns ns ns ns ns Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 40 of 66 6 Low Power Consumption 6.1 Airplane Mode W_DISABLE# Pin Description:
Table 6-1 W_DISABLE# pin description Pin name I/O Pin No. Description W_DISABLE#
I 4 Module airplane mode control NL668-LA series module supports two ways to enter airplane mode:
Table 6-2 Module enter airplane mode ways 1 2 First send AT+WDISABLEEN=1 to enable W_DISABLE#
Hardware I/O interface button pin function. Pull high or float W_DISABLE# pin (pull high by control default), module enter normal mode, pull it down, module AT command control enter airplane mode. AT+CFUN=4--module enter airplane mode AT+CFUN=1--module enter normal mode 6.2 Sleep Mode 6.2.1 USB Application (Nonsupport USB Suspend, Support VBUS) If the host nonsupport USB suspend function, the module can enter sleep mode by disconnect USB_VBUS from the external control circuit:
Sleep:
Send AT+GTUSBDETECTEN=1 to enable USB plug detect function. AT+GTLPMMODE=1,X command to set the WAKEUP_IN pins level of control module enter sleep mode. Reset module, command effective.
(X=0, WAKEUP_IN pin is high level, module enter sleep mode;
X=1, WAKEUP_IN pin is low level, module enter sleep mode) AT+CSCLK=1 command to enable sleep function. AT+GTUSBSLEEPEN=1,0 command to set USB sleep mode. Draw out the USB cable or disable the USB HUB controller, module enter sleep mode. Wake up:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 41 of 66 Plug in USB cable or enable the USB HUB controller can wake up the module. 6.2.2 USB Application (Nonsupport USB Suspend, Nonsupport VBUS) If the host nonsupport USB suspend and nonsupport VBUS function, the module can enter sleep mode Send AT+GTLPMMODE=1,X command to set the WAKEUP_IN pins level of control module enter sleep by disconnect USB_VBUS from the external control circuit:
Sleep:
mode. Reset module, command effective.
(X=0, WAKEUP_IN pin is high level, module enter sleep mode;
X=1, WAKEUP_IN pin is low level, module enter sleep mode) AT+CSCLK=1 command to enable sleep function. AT+GTUSBSLEEPEN=1,1 command to set USB sleep mode Draw out the USB cable or disable the USB HUB controller, module enter sleep mode. Plug in USB cable or enable the USB HUB controller can wake up the module. 6.2.3 USB Application (Support USB Suspend) If the host support USB Suspend/Resume. Setting USB sleep in Linux system. Send AT+GTLPMMODE=1,X command to set the WAKEUP_IN pins level of control module enter sleep mode. Reset module, command effective.
(X=0, WAKEUP_IN pin is high level, module enter sleep mode;
X=1, WAKEUP_IN pin is low level, module enter sleep mode) AT+CSCLK=1 command to enable sleep function. AT+GTUSBSLEEPEN=0,0 command to set USB sleep mode In Linux system, set the level and control of USB device as auto to suspend the devices of module. Standing the module and host about 2 seconds, the module can enter suspend mode automatically. Any operation of USB can wake up the module from sleep mode. 6.2.4 UART Application (WAKEUP_IN Pin Level Control) When host and module connected through UART, use the following steps to make the module enter Sent AT+GTLPMMODE=1,X command to set et the WAKEUP_IN pins level of control module enter sleep mode. Reset module, command effective. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 42 of 66 Wake up:
Sleep:
Wake up:
Sleep:
(X=0, WAKEUP_IN pin is high level, module enter sleep mode;
X=1, WAKEUP_IN pin is low level, module enter sleep mode) AT+GTUSBSLEEPEN=2,X command to disable USB function (X can be 0 or 1) AT+CSCLK=1 command to enable sleep function. Wake up:
The level of WAKEUP_IN pin contrary with that when the module enters sleep mode, module allow be waked up. (X=0, WAKEUP_IN pin is low level, wake up module;
X=1, WAKEUP_IN pin is high level, wake up module) 6.2.5 UART Application (DTR Pin Level Control) When host and module connected through UART, use the following steps can make the module enter Sleep:
Send AT+GTLPMMODE=2,X command to set the DTR set pins level of control module enter sleep mode. Reset module, command effective.
(X=0, DTR pin is high level, module enter sleep mode;
X=1, DTR pin is low level, module enter sleep mode) AT+GTUSBSLEEPEN=2,X command to disable USB function (X can be 0 or 1) AT+CSCLK = 1 command to enable sleep function. Wake up:
The level of DTR pin contrary with that when the module enters sleep mode, module allow be wake up.
(X=0, DTR pin is low level, wake up module; X=1, DTR pin is high level, wake up module) 6.2.6 ATS24 Command ATS24 command can also make module enter sleep mode. Send AT+GTLPMMODE=0 Reset module, command effective. ATS24=X command to into sleep after X seconds. (X is nonzero integer) AT+GTUSBSLEEPEN=2,X command to disable USB function (X can be 0 or 1) Send the AT command fast by UART serial port can wake up the module. If dont send AT commands between X seconds, module will try to enter sleep mode. Sleep:
Wake up:
Note:
Since the level of UART sleep power is different, power consumption of use ATS24 command to enter sleep mode is higher than that use Pin control to enter sleep mode. When ATS24 command enter sleep mode countdown, it isnt entering sleep mode once Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 43 of 66 timekeeping automatically. overtime strictly, but try to enter sleep mode. If system dont support after overtime, it will If you want to use the RI signal to represent the state of the module, please refer to the AT+GTWAKE command in FIBOCOM AT Commands _Sleep. For more sleep command description, please refer to FIBOCOM AT Commands _Sleep Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 44 of 66 7 RF Interface definition is shown as table 7-1:
Table 7-1 RF Interface Pin Name ANT_DIV ANT_GNSS ANT_MAIN I/O I I IO 7.1 Operating Bands Table 7-2 Operating bands NL668-LA series module has ANT_MAIN, ANT_DIV and ANT_ GNSS three antenna interfaces, its pin Pin No. Description 35 47 49 Diversity antenna GPS antenna Main antenna Operating Band Description Mode Tx (MHz) Rx (MHz) Band 1 Band 2 Band 3 Band 4 Band 5 Band 7 Band 8 Band 12 Band 17 Band 20 Band 28 Band 66 Band 38 Band 40 IMT 2100MHz LTE FDD/WCDMA 1920 - 1980 2110 - 2170 IMT 1900 LTE FDD/WCDMA/GSM 1850-1910 1930-1990 DCS 1800MHz LTE FDD/WCDMA/GSM 1710 - 1785 1805 - 1880 IMT 2100 LTE FDD/WCDMA 1710-1755 2110-2155 CLR 850MHz LTE FDD/WCDMA/GSM 824 - 849 869 - 894 IMT 2600 LTE FDD 2500-2570 2620-2690 E-GSM 900MHz LTE FDD/WCDMA/GSM 880 - 915 925 - 960 IMT 700 IMT 700 LTE FDD LTE FDD 699-716 729-746 704-716 734-746 EUDD 800MHz LTE FDD 832 - 862 791 - 821 IMT 700 LTE FDD 703-748 758-803 IMT 2100MHz LTE FDD 1710-1780 2110-2200 IMT-E 2600MHz LTE TDD IMT 2300MHz LTE TDD 2570 - 2620 2300 - 2400 7.2 Output Power The Output power of NL668-LA series module show as follows:
Table 7-3 Output power Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 45 of 66 Mode Band Tx Power (dBm) Note GSM 850 GSM 900 DCS 1800 PCS 1900 Band Band Band Band Band Band VIII Band 1 Band 2 Band 3 Band 4 Band 5 Band 7 Band 8 Band 12 Band17 Band 20 Band 28 Band 66 Band 38 Band 40 GSM WCDMA LTE FDD LTE TDD 32.52 32.52 29.52 29.52 23.52 23.52 23.52 23.52 23.52 23.52 232 232 232 232 232 232 232 232 232 232 232 232 232 232 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 10MHz Bandwidth, 1 RB 7.3 Receive Sensitivity Table 7-4 Receive sensitivity Mode Band Rx Sensitivity (dBm) Typ. RxD Sensitivity (dBm)Typ. GSM GSM 850
-109 NA Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 46 of 66 Mode Band Rx Sensitivity (dBm) Typ. RxD Sensitivity (dBm)Typ. GSM 900
-109 DCS 1800
-108.5 PCS 1900
-108.5 Band
-109 Band
-109.5 Band
-109.5 Band
-109 Band
-110 Band VIII
-110 Band 1 Band 2 Band 3 Band 4 Band 5 Band 7 Band 8 Band 12 Band 17 Band 20 Band 28 Band 66 Band 38 Band 40
-97.5
-97.5
-98
-97
-98.5
-96
-98
-97.5
-97.5
-97
-97.5
-97.5
-97.5
-97.5 WCDMA LTE FDD LTE TDD NA NA NA NA NA NA NA NA NA
-98
-98.5
-98.5
-98.5
-99.5
-97.5
-99.5
-98
-98
-97
-97
-98.5
-96.5
-96.5 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 47 of 66 NL668-LA series module (except NL668-LA-01) supports GNSS function and adopts Qualcomm Gen8 7.4 GNSS Receiver 7.4.1 GNSS Specification technology, its specification show as follows:
Table 7-5 GNSS specification Description Power AT+CFUN=0 Condition GNSS fixing GNSS tracking Standby Cold start Hot Start Typ. 62mA 62mA 34mA 45s 40s 5s
-144dbm
-155dbm TTFF GNSS Warm start Acquisition Tracking CN0 Sensitivity Positional accuracy CEP GNSS Signal@-130dBm
<3.5m GNSS Signal@-130dBm 38.5 dB-Hz 7.4.2 GNSS Observe Protocol NL668-LA series module adopts NMEA-0183 protocol. 7.5 Antenna Design 7.5.1 Antenna Index 1) Antenna efficiency Antenna efficiency is the ratio of antenna input power to radiated power. Due to the antenna return loss, material loss, and coupling loss, the radiated power is always lower than the input power. S11 shows that the matching degree of the antennas 50 impedance, to a certain extent, affects the antenna efficiency. VSWR test methods can be used to measure this parameter. Recommended S11 <
Recommended > 40% (-4dB). 2) S11 or VSWR
-10dB. 3) Polarization Polarization is the rotation direction of the electric field in the maximum radiation direction of the antenna. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 48 of 66 Radiation pattern refers to the antennas electromagnetic field strength in the far field in all directions. Half-wave dipole antenna is the most suitable terminal antenna. For built-in antenna, PIFA antennas or Antenna directivity refers to the electromagnetic field strength of electromagnetic wave in all directions. In addition to the antenna performance, other interferences on the PCB also affect the performance of the module. In order to ensure the high performance of the module, interference must be controlled. Suggestions: For example, LCD, CPU, FPC cable, audio circuit, power supply should be away from the antenna as far as possible, and make the appropriate isolation and shielding, or filtering on the path. Frequency range It must use the most suitable antenna to adapt to the relevant frequency band It is recommended to use linear polarization. 4) Radiation pattern IFA antennas are recommended:
Antenna area: 6mm high x 10mm wide x 100mm long. Antenna radiation direction: Omni_directional (all direction). 5) Gain and directivity Gain is a collection of antenna benefits and antenna directivity. Recommended antenna gain 3dBi. 6) Interference 7) Antenna index requirements Table 7-6 Main antenna requirements NL668-LA series module main antenna requirements GSM850: 70 MHz Bandwidth GSM900: 80 MHz
(GSM/EDGE) GSM1800 (DCS): 170 MHz Bandwidth (WCDMA) GSM1900 (DCS): 140 MHz WCDMA band 1 (2100): 250 MHz WCDMA band 2 (1900): 140 MHz WCDMA band 3 (1800):170 MHz WCDMA band 4 (2100): 440 MHz WCDMA band 5 (800): 70 MHz WCDMA band 8 (900): 80 MHz Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 49 of 66 NL668-LA series module main antenna requirements Bandwidth (LTE) LTE band 1 (2100): 250 MHz LTE band 2 (1900): 140 MHz LTE Band 3 (1800): 170 MHz LTE Band 4 (2100): 440 MHz LTE Band 5 (850): 70 MHz LTE Band 7 (2600): 190 MHz LTE Band 8 (900): 80 MHz LTE Band 12 (700): 50 MHz LTE Band 17 (700): 50 MHz LTE Band 20 (800): 71 MHz LTE Band 28 (700): 100 MHz LTE Band 66 (2100): 490 MHz LTE band 38 (2600): 50 MHz LTE band 40 (2300): 100 MHz Input power
> 33dBm (2 W) peak power GSM
> 23dBm average power WCDMA & LTE &TD-SCDMA&CDMA&EVDO Impedance 50 Standing wave ratio recommended 2:1 7.5.2 Antenna Reference Design Antenna is a sensitive device, susceptible to the external environment. For example, the size of the module, the location of the antenna, the space it occupies, and the surrounding ground all may affect antenna performance. In addition, the RF cable connect with antenna, and the location of the fixed antenna also may affect its performance. NL668-LA series modules three antenna all led by welding plate. recommended clients use the U.FL-R-SMT-1 antenna connector and corresponding match adapter cable. Figure 7-1 is reference design of main antenna and diversity antenna. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 50 of 66 Figure 7-1 Main and diversity antenna reference circuit Figure 7-2 is reference design of GNSS antenna. Figure 7-2 GNSS antenna reference circuit All matches must be placed close to antenna to make sure the characteristic impedance of Note transmission cable is 50 ohms. Since the antenna loss should be less than 0.3dB, keep PCB cable as short as possible. Keep the PCB LAYOUT straight, and reduce holes on the route to another layer; also avoid right-angle and acute-angle wiring. PCB cable should have a good reference ground to avoid other signal cable near the antenna. Recommend a complete ground level, and use this complete ground level as a reference Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 51 of 66 ground. Ground around antenna must be keep connect with main ground. For more design information please refer to FIBOCOM Design Guide_Antenna. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 52 of 66 8 Reliability 8.1 Limiting Voltage Range interfaces can withstand. 8.1.1 Absolute Voltage Range The limiting voltage range is maximum voltage range that power supply and digital or analog input/output The absolute voltage range of NL668-LA series module is shown as table 8-1. Table 8-1 Absolute voltage range Parameter description VBAT GPIO Power supply Digital IO supply voltage Min
-0.3
-0.3 Typ. 3.8 1.8 Max 4.7 2.0 Unit V V 8.1.2 Operating Voltage Range Table 8-2 Operating Voltage Range VL: logic low level; VH: logic high level;
Parameter VL Min Digital input
-0.3 Digital output
Parameter VBAT USIM_VDD Max 0.6 0.45 I/O PI PO VH Min 1.2 1.35 Max 2.0
Min 3.3 Typ 3.8 Max 4.3 1.7/2.75 1.8/2.85 1.9/2.95 Unit V V Unit V V 8.2 Environment Temperature Range The recommended operating temperature range of NL668-LA series module.is -30 to +75. When module operating at limited temperature range, some RF indexes may exceed standard, so module application terminal should consider temperature control measurement. The module application terminal is recommended storage in certain temperature conditions. Modules out of the temperature range may not operate or may be damaged. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 53 of 66 test test Table 8-3 Environment temperature range Temperature Operating temperature Limited operating temperature Storage temperature Min
-30
-40
-40 Typ. 25 Max Unit 75 85 90 8.3 Environmental Reliability Requirements Table 8-4 Environmental reliability requirements Test Item Test Condition Low temperature storage test Temperature -403, 24 hours in shutdown state High temperature storage test Temperature +853, 24 hours in shutdown state Temperature shock test In shutdown state, 0.5 hour at -40 and +85 environment respectively, the temperature conversion time < 3min, for 24 cycles High temperature and humidity Temperature +853, humidity 9095% RH, 24 hours in shutdown Low temperature operating test Temperature -303, 24 hours in operating state High temperature operating Temperature +753, 24 hours in operating state Conduct vibration test according to the requirements shown in the Vibration test Random vibration ASD (Acceleration Spectral Density) 0.96m2/s3 0.96m2/s3 (20Hz), other 3dB/octave Connector life test 30 times of insertion/removal for RF antenna interface cable 8.4 ESD Characteristics NL668-LA series module design has considered ESD issue and provided ESD protect measurements, but take ESD issue taken by module carrier and secondary development into consideration, developers should care ESD protection of module application terminal. In addition to considering anti-static treatment Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 54 of 66 state table below:
Frequency 520Hz 20500Hz of packaging, please refer to recommended circuit of interface design in the document. ESD allowable discharge range of NL668-LA series module show as table below:
Table 8-5 ESD allowable discharge range Air Discharge Contact Discharge Interface GND Antenna port Other port 10KV 8KV 1KV 5KV 4KV 0.5KV Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 55 of 66 9 Structure Specification 9.1 Product Appearance The product appearance of NL668-LA series module is shown in Figure 9-1:
Figure 9-1 Product appearance 9.2 Structure Dimension The structure dimension of NL668-LA series module is shown as Figure 9-2:
Figure 9-2 Structure dimension (unit: mm) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 56 of 66 9.3 PCB Soldering Pad and Stencil Design PCB soldering pad and stencil design please refer to FIBOCOM NL668 LCC SMT Design Guide. 9.4 SMT SMT Design Guide. SMT production process parameters and related requirements please refer to FIBOCOM NL668 LCC 9.5 Carrier and storage Carrier and storage please refer to FIBOCOM NL668 LCC SMT Design Guide. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 57 of 66 10 Approval NL668-LA series module approval show as table 10-1:
Table 10-1 Approval Certification Scheme NL668-LA-00, NL668-LA-05, NL668-LA-10 PASS Certification Scheme NL668-LA-01 PASS (ID:ZMONL668LA01) FCC HF RoHS TBD TBD FCC CE GCF TBD TBD SUBTEL(Chile) ENACOM(Argentina) Anatel MTC(Peru) CRC(Colombia) For more information, please refer to Fibocom net. PASS PASS TBD TBD PASS PASS PASS PASS PASS PASS PASS TBD TBD Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 58 of 66 11.1 GPRS and EGPRS Encoding Scheme 11 Appendixes Table 11-1 GPRS encoding scheme Encoding method Pre-coded USF Radio Block excl.USF and BCS 181 CS-1 1/2 3 3 40 4 456 0 9.05 CS-2 2/3 3 6 268 16 4 588 132 13.4 CS-3 3/4 3 6 312 16 4 676 220 15.6 CS-4 1 3 12 428 16
456 21.4 In the GPRS standard, 29 types of GPRS multislot modes are defined for use by mobile stations. The multislot class defines the maximum rate of uplink and downlink. The expression is 3+1 or 2+2, the first number indicates the number of downlink timeslots, and the second number indicates the number of uplink timeslots. Active timeslots indicate the total number of timeslots that the GPRS device can use for both uplink and downlink communications. Table 11-2 Multilevel multislot allocation Multislot Class Downlink Slot Uplink Slot Active Slot 1 2 2 3 2 3 3 4 1 1 2 1 2 2 3 1 2 3 3 4 4 4 4 5 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 59 of 66 Coded Bits Punctured Bits Data rate Kb/s Rate USF BCS Tail 1 2 3 4 5 6 7 8 Multislot Class Downlink Slot Uplink Slot Active Slot Table 11-3 EGPRS modulation and encoding method Coding Scheme Modulation Coding Family 1 Timeslot 2 Timeslot 4 Timeslot 3 4 4 4 5 GMSK GMSK GMSK GMSK GMSK GMSK GMSK GMSK 8-PSK 8-PSK 8-PSK 8-PSK 8-PSK
C B A C B A B A A 2 2 3 4 4 5 5 5 5 6 9.05kbps 18.1kbps 36.2kbps 13.4kbps 26.8kbps 53.6kbps 15.6kbps 31.2kbps 62.4kbps 21.4kbps 42.8kbps 85.6kbps 8.80kbps 17.6kbps 35.2kbps 11.2kbps 22.4kbps 44.8kbps 14.8kbps 29.6kbps 59.2kbps 17.6kbps 35.2kbps 70.4kbps 22.4kbps 44.8kbps 89.6kbps 29.6kbps 59.2kbps 118.4kbps 44.8kbps 89.6kbps 179.2kbps 54.4kbps 108.8kbps 217.6kbps 59.2kbps 118.4kbps 236.8kbps 11.2 Terms and Acronyms Table 11-4 Terms and acronyms Definition Adaptive Multi-rate Bits Per Second Coding Scheme Discontinuous Reception Extended GSM900 Band Frequency Division Duplexing 9 10 11 12 33 CS-1 CS-2 CS-3 CS-4 MCS-1 MCS-2 MCS-3 MCS-4 MCS-5 MCS-6 MCS-7 MCS-8 MCS-9 Term AMR bps CS DRX EGSM FDD Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 60 of 66 Term GMSK GSM HSDPA IMEI Imax LED LSB LTE CA DLCA SCell ME MS MT PCB PDU PSK QAM QPSK RF RHCP RMS RTC Rx SMS TDMA TE TX TDD UART UMTS URC Definition Gaussian Minimum Shift Keying Global System for Mobile Communications High Speed Down Link Packet Access International Mobile Equipment Identity Maximum Load Current Light Emitting Diode Least Significant Bit Long Term Evolution Carrier Aggregation Downlink Carrier Aggregation Secondary Cell for CA Mobile Equipment Mobile Station Mobile Terminated Printed Circuit Board Protocol Data Unit Phase Shift Keying Quadrature Amplitude Modulation Quadrature Phase Shift Keying Radio Frequency Right Hand Circularly Polarized RMS Root Mean Square Real Time Clock Receive Short Message Service Time Division Multiple Access Terminal Equipment Transmitting Direction Time Division Duplexing Universal Asynchronous Receiver & Transmitter Universal Mobile Telecommunications System Unsolicited Result Code Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 61 of 66 Term
(U)SIM USSD Vmax Vnorm Vmin VIHmax VIHmin VILmax VILmin VImax VImin VOHmax VOHmin VOLmax VOLmin VSWR WCDMA Definition
(Universal) Subscriber Identity Module Unstructured Supplementary Service Data Maximum Voltage Value Normal Voltage Value Minimum Voltage Value Maximum Input High Level Voltage Value Minimum Input High Level Voltage Value Maximum Input Low Level Voltage Value Minimum Input Low Level Voltage Value Absolute Maximum Input Voltage Value Absolute Minimum Input Voltage Value Maximum Output High Level Voltage Value Minimum Output High Level Voltage Value Maximum Output Low Level Voltage Value Minimum Output Low Level Voltage Value Voltage Standing Wave Ratio Wideband Code Division Multiple Access 11.3 Related Documents FIBOCOM EVK-GT8230-NL User Guide FIBOCOM ADP-NL668-LA Evaluation Board Instructions FIBOCOM NL668 LCC SMT Design Guide FIBOCOM Design Guide_RF Antenna FIBOCOM NL668 AT Commands 11.4 Reference Standards The design of the product complies with the following standards:
3GPP TS 51.010-1 V10.5.0: Mobile Station (MS) conformance specification; Part 1: Conformance specification 3GPP TS 34.121-1 V10.8.0: User Equipment (UE) conformance specification; Radio transmission and reception (FDD); Part 1: Conformance specification 3GPP TS 34.122 V10.1.0: Technical Specification Group Radio Access Network; Radio transmission and reception (TDD) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 62 of 66
(SIM-ME) interface application and ancillary equipment 3GPP TS 36.521-1 V10.6.0: User Equipment (UE) conformance specification; Radio transmission and reception; Part 1: Conformance testing 3GPP TS 21.111 V10.0.0: USIM and IC card requirements 3GPP TS 51.011 V4.15.0: Specification of the Subscriber Identity Module -Mobile Equipment 3GPP TS 31.102 V10.11.0: Characteristics of the Universal Subscriber Identity Module (USIM) 3GPP TS 31.11 V10.16.0: Universal Subscriber Identity Module (USIM) Application Toolkit (USAT) 3GPP TS 36.124 V10.3.0: Electro Magnetic Compatibility (EMC) requirements for mobile terminals 3GPP TS 27.007 V10.0.8: AT command set for User Equipment (UE) 3GPP TS 27.005 V10.0.1: Use of Data Terminal Equipment - Data Circuit terminating Equipment
(DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 63 of 66 12 FCC Conformance information Important Notice to OEM integrators 1. This module is limited to OEM installation ONLY. 2. This module is limited to installation in mobile applications, according to Part 2.1091(b). 3. The separate approval is required for all other operating configurations, including portable configurations with respect to Part 2.1093 and different antenna configurations 4. For FCC Part 15.31 (h) and (k): The host manufacturer is responsible for additional testing to verify compliance as a composite system. When testing the host device for compliance with Part 15 Subpart B, the host manufacturer is required to show compliance with Part 15 Subpart B while the transmitter module(s) are installed and operating. The modules should be transmitting and the evaluation should confirm that the module's intentional emissions are compliant (i.e. fundamental and out of band emissions). The host manufacturer must verify that there are no additional unintentional emissions other than what is permitted in Part 15 Subpart B or emissions are complaint with the transmitter(s) rule(s). The Grantee will provide guidance to the host manufacturer for Part 15 B requirements if needed. Important Note notice that any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, require that the host product manufacturer must notify to Fibocom Wireless Inc. that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the USI, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. End Product Labeling When the module is installed in the host device, the FCC ID label must be visible through a window on the final device or it must be visible when an access panel, door or cover is easily re-moved. If not, a second label must be placed on the outside of the final device that contains the following text: Contains FCC ID: ZMONL668LA05 The FCC ID can be used only when all FCC compliance requirements are met. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 64 of 66 Antenna Installation operation.
(1) The antenna must be installed such that 20 cm is maintained between the antenna and users,
(2) The transmitter module may not be co-located with any other transmitter or antenna.
(3) Only antennas of the same type and with equal or less gains as shown below may be used with this module. Other types of antennas and/or higher gain antennas may require additional authorization for In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID/IC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. if host antenna gain exceeds that of guidance provided. the integrator that additional compliance testing would be required Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the users manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Federal Communication Commission Interference 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. 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 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 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. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 65 of 66
- Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. List of applicable FCC rules requirements for Modular Approval. This module has been tested and found to comply with part 22, part 24, part 27, part 90,part 96, part 15B The modular transmitter is only FCC authorized for the specific rule parts (i.e., FCC transmitter rules) listed on the grant, and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. module device use) This device is intended only for OEM integrators under the following conditions: (For 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 FCC 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. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. FIBOCOM NL668-LA Series Hardware Guide Page 66 of 66
1 | Label and label location | ID Label/Location Info | 137.21 KiB | February 21 2022 / February 22 2022 |
| FiDCcOM NL668-LA S/N:XXXXXXXXXX IMEI:XXXXXXXXXXXXXXX FCC ID:ZMONL668LA05 IMEI;S/N 8*8 e05 FIDCCON NL668-LA SINOXOXXXXXXXKX IMEI:XXXXXXXXXXXXXXXK FCC ID:ZMONL668LA05 IMEI;S/N 88
1 | Confidentiality Letter | Cover Letter(s) | 109.10 KiB | February 21 2022 / February 22 2022 |
Fibocom Wireless Inc. 4. Schematics 5. Block Diagram 6. Operatinal Description Date: 2022.02.14 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: ZMONL668LA05 Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:
Block Diagram Schematics Operational Description Tune-up Procedure 16. Tune-up Procedure Bill(s) of Material 17. BOM The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature Lucy Liu
1 | Model Declaration Letter | Cover Letter(s) | 185.51 KiB | February 21 2022 / February 22 2022 |
Date: Jan 18, 2022 Declaration To whom it may concern:
We, Fibocom Wireless Inc. Hereby declared Fibocom Wireless Inc. model name: NL668-LA and NL668-LA-05, NL668-LA-10, NL668-LA-
30 just for different marketing strategies, produce different models. These models are available in two package styles (LGA+LCC and MiniPCIe). The schematic and RF performance is the same. NL668-LA-05, NL668-LA-10, NL668-LA-30 just memory is different, other hardware components are the same, will not impact RF performance. Please noted. Model Name NL668-LA-05 NL668-LA-10 NL668-LA-30 Difference Memory: 2G+1G Memory: 1G+1G Memory: 4G+2G Package LGA+LCC and MiniPCIe LGA+LCC and MiniPCIe LGA+LCC and MiniPCIe Signed:
_______________________ Lucy Liu Certification Manager Fibocom Wireless Inc. E-mail: lucy.liu@fibocom.com
1 | Power of Attorney Letter | Cover Letter(s) | 8.22 KiB | February 21 2022 / February 22 2022 |
Fibocom Wireless Inc. Declaration of Authorization We Name:
Address:
Fibocom Wireless Inc. 1101,Tower A, Building 6, Shenzhen International Innovation Valley, Dashi 1st Rd, Nanshan ShenZhen China City:
Country:
Declare that:
Name Representative of agent: Ms. Rose Liu Agent Company name: BTL Inc. Address: No.3 Jinshagang 1st Road, Shixia, Dalang Town City: Dong Guan Country: China is authorized to apply for Certification and signing related documents of the following product(s), including 731 form(s):
Product description: LTE Module Type designation: NL668-LA, NL668-LA-05, NL668-LA-10, NL668-LA-30 Trademark:
FCC ID: ZMONL668LA05 on our behalf. Date:
City:
Name:
Function: Certification Manager Signature:
2022-02-14 ShenZhen Fibocom Lucy Liu
1 | modular approval | Cover Letter(s) | 167.02 KiB | February 21 2022 / February 22 2022 |
Modular Approval Request FCC (KDB 996369 D01 & Part 15.212) FCC ID: ZMONL668LA05 Items to be covered by Single modular transmitters. 1. The modular transmitter must have its own RF shielding. 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over-modulation. 3. The modular transmitter must have its own power supply regulation. 4. The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(b)(c). The antenna must either be permanently attached or employ a unique antenna coupler (at all connections between the module and the antenna, including the cable). 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Answer from applicant YES, Please refer to External Photos. YES, MDM9207 is used for the function. YES, the modular has its own power supply regulation. YES, it is Printed antenna. Yes, the module is tested in a stand-alone configuration as the test photos show. 6. The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number in accordance with 15.212 (a)(1)(vi)(A) / (B). YES, please refer to the exhibition label sample for this module. 8. 7. The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 1.1310, 2.1091, 2.1093, and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance. Modular transmitters approved under other Sections of Part 15, when necessary, may also need to address certain RF Exposure concerns, typically by providing specific installation and operating instructions for users, installers and other interested parties to ensure compliance. YES, please refer to the user manual. YES, RF exposure statement is attached in the user manual. Answer from applicant Items to be covered by Split modular transmitters. 1. The modular transmitter must comply with all requirements of a single modular transmitter except for items (1) & (5) of the above single modular approval requirements. 2. Only the radio front end must be shielded. The physical crystal and tuning capacitors may be located external to the shielded radio elements. The interface between the split sections of the modular system must be digital with a minimum signalling amplitude of 150 mV peak-to-peak. 3. Control information and other data may be exchanged between the transmitter control elements and radio front end. 4. The sections of a split modular transmitter must be tested installed in a host device(s) similar to that which is representative of the platform(s) intended for use. 5. Manufacturers must ensure that only transmitter control elements and radio front end components that have been approved together are capable of operating together. The transmitter module must not operate unless it has verified that the installed transmitter control elements and radio front end have been authorized together. Manufacturers may use means including, but not limited to, coding in hardware and electronic signatures in software to meet these requirements, and must describe the methods in their application for equipment authorization. Note: A limited modular approval (LMA) may be granted for single or split modular transmitters that comply partially with the requirements above. Name and surname of applicant (or authorized representative): Lucy Liu Date: 2022-02-14 Signature: _________________________
frequency | equipment class | purpose | ||
---|---|---|---|---|
1 | 2022-02-22 | 2580 ~ 2610 | PCB - PCS Licensed Transmitter | Original Equipment |
app s | Applicant Information | |||||
---|---|---|---|---|---|---|
1 | Effective |
2022-02-22
|
||||
1 | Applicant's complete, legal business name |
Fibocom Wireless Inc.
|
||||
1 | FCC Registration Number (FRN) |
0020891057
|
||||
1 | Physical Address |
1101,Tower A, Building 6, Shenzhen International Innovation Valley, Dashi 1st Rd, Nanshan
|
||||
1 |
1101,Tower A, Building 6, Shenzhen International
|
|||||
1 |
ShenZhen, N/A
|
|||||
1 |
China
|
|||||
app s | TCB Information | |||||
1 | TCB Application Email Address |
T******@timcoengr.com
|
||||
1 | TCB Scope |
B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27
|
||||
app s | FCC ID | |||||
1 | Grantee Code |
ZMO
|
||||
1 | Equipment Product Code |
NL668LA05
|
||||
app s | Person at the applicant's address to receive grant or for contact | |||||
1 | Name |
L******** L****
|
||||
1 | Title |
Certification Manager
|
||||
1 | Telephone Number |
+8675********
|
||||
1 | Fax Number |
+86-7********
|
||||
1 |
l******@fibocom.com
|
|||||
app s | Technical Contact | |||||
n/a | ||||||
app s | Non Technical Contact | |||||
n/a | ||||||
app s | Confidentiality (long or short term) | |||||
1 | Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | Yes | ||||
1 | Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | No | ||||
if no date is supplied, the release date will be set to 45 calendar days past the date of grant. | ||||||
app s | Cognitive Radio & Software Defined Radio, Class, etc | |||||
1 | Is this application for software defined/cognitive radio authorization? | No | ||||
1 | Equipment Class | PCB - PCS Licensed Transmitter | ||||
1 | Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant) | LTE Module | ||||
1 | Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application? | No | ||||
1 | Modular Equipment Type | Single Modular Approval | ||||
1 | Purpose / Application is for | Original Equipment | ||||
1 | Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization? | No | ||||
1 | Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? | No | ||||
1 | Grant Comments | Output Power is EIRP and ERP for above and below 1 GHz, respectively. Single Modular Approval for mobile RF Exposure condition. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. The grantee must provide OEM integrators, or end-users if marketed directly to end-users, with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device. This device supports LTE of 1.4, 3, 5, 10, 15 and 20 MHz bandwidth modes for FDD LTE Bands 2, 4 and 66; LTE of 5, 10, 15 and 20 MHz bandwidth modes for FDD LTE Band 7; LTE of 1.4, 3, 5 and 10 MHz bandwidth modes for FDD LTE Bands 5 and 12; LTE of 5 and 10 MHz bandwidth modes for FDD LTE Band 17; and LTE of 5, 10, 15 and 20 MHz bandwidth modes for TDD LTE Band 38 . This device contains functions that are not operational in U.S. Territories; this filing is applicable only for U.S. operations. | ||||
1 | Is there an equipment authorization waiver associated with this application? | No | ||||
1 | If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded? | No | ||||
app s | Test Firm Name and Contact Information | |||||
1 | Firm Name |
BTL Inc.
|
||||
1 | Name |
S**** H****
|
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1 | Telephone Number |
+86-7******** Extension:
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1 |
S******@newbtl.com
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Equipment Specifications | |||||||||||||||||||||||||||||||||||||||||
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Line | Rule Parts | Grant Notes | Lower Frequency | Upper Frequency | Power Output | Tolerance | Emission Designator | Microprocessor Number | |||||||||||||||||||||||||||||||||
1 | 1 | 22H | 824.2 | 848.8 | 0.6561 | 2.5 ppm | 239KGXW | ||||||||||||||||||||||||||||||||||
1 | 2 | 22H | 826.4 | 846.6 | 0.1054 | 2.5 ppm | 4M17F9W | ||||||||||||||||||||||||||||||||||
1 | 3 | 22H | 825.5 | 847.5 | 0.0861 | 2.5 ppm | 2M70G7D | ||||||||||||||||||||||||||||||||||
1 | 4 | 22H | 825.5 | 847.5 | 0.0743 | 2.5 ppm | 2M70W7D | ||||||||||||||||||||||||||||||||||
1 | 5 | 22H | 829 | 844 | 0.0843 | 2.5 ppm | 8M96G7D | ||||||||||||||||||||||||||||||||||
1 | 6 | 22H | 829 | 844 | 0.0708 | 2.5 ppm | 8M96W7D | ||||||||||||||||||||||||||||||||||
1 | 7 | 24E | 1850.2 | 1909.8 | 0.8414 | 2.5 ppm | 243KGXW | ||||||||||||||||||||||||||||||||||
1 | 8 | 24E | 1852.4 | 1907.6 | 0.2904 | 2.5 ppm | 4M13F9W | ||||||||||||||||||||||||||||||||||
1 | 9 | 24E | 1855 | 1905 | 0.2466 | 2.5 ppm | 8M97G7D | ||||||||||||||||||||||||||||||||||
1 | 1 | 24E | 1857.5 | 1902.5 | 0.2254 | 2.5 ppm | 13M4W7D | ||||||||||||||||||||||||||||||||||
1 | 11 | 24E | 1860 | 1900 | 0.2203 | 2.5 ppm | 17M9G7D | ||||||||||||||||||||||||||||||||||
1 | 12 | 24E | 1860 | 1900 | 0.166 | 2.5 ppm | 17M9W7D | ||||||||||||||||||||||||||||||||||
1 | 13 | 27 | 1712.4 | 1752.6 | 0.3192 | 2.5 ppm | 4M14F9W | ||||||||||||||||||||||||||||||||||
1 | 14 | 27 | 1717.5 | 1747.5 | 0.2404 | 2.5 ppm | 13M4G7D | ||||||||||||||||||||||||||||||||||
1 | 15 | 27 | 1715 | 1750 | 0.2173 | 2.5 ppm | 8M98W7D | ||||||||||||||||||||||||||||||||||
1 | 16 | 27 | 1720 | 1740 | 0.228 | 2.5 ppm | 17M9G7D | ||||||||||||||||||||||||||||||||||
1 | 17 | 27 | 1720 | 1740 | 0.177 | 2.5 ppm | 17M9W7D | ||||||||||||||||||||||||||||||||||
1 | 18 | 27 | 2507.5 | 2562.5 | 0.354 | 2.5 ppm | 13M5G7D | ||||||||||||||||||||||||||||||||||
1 | 19 | 27 | 2507.5 | 2562.5 | 0.3412 | 2.5 ppm | 13M4W7D | ||||||||||||||||||||||||||||||||||
1 | 2 | 27 | 2510 | 2560 | 0.3334 | 2.5 ppm | 17M9G7D | ||||||||||||||||||||||||||||||||||
1 | 21 | 27 | 2510 | 2560 | 0.2618 | 2.5 ppm | 17M9W7D | ||||||||||||||||||||||||||||||||||
1 | 22 | 27 | 2575 | 2615 | 0.208 | 2.5 ppm | 9M04W7D | ||||||||||||||||||||||||||||||||||
1 | 23 | 27 | 2580 | 2610 | 0.2404 | 2.5 ppm | 18M0G7D | ||||||||||||||||||||||||||||||||||
1 | 24 | 27 | 2580 | 2610 | 0.1849 | 2.5 ppm | 18M0W7D | ||||||||||||||||||||||||||||||||||
1 | 25 | 27 | 1717.5 | 1772.5 | 0.2851 | 2.5 ppm | 13M4G7D | ||||||||||||||||||||||||||||||||||
1 | 26 | 27 | 1717.5 | 1772.5 | 0.2427 | 2.5 ppm | 13M4W7D | ||||||||||||||||||||||||||||||||||
1 | 27 | 27 | 1720 | 1770 | 0.263 | 2.5 ppm | 17M9G7D | ||||||||||||||||||||||||||||||||||
1 | 28 | 27 | 1720 | 1770 | 0.2208 | 2.5 ppm | 17M9W7D | ||||||||||||||||||||||||||||||||||
1 | 29 | 27 | 700.5 | 714.5 | 0.0863 | 2.5 ppm | 2M70G7D | ||||||||||||||||||||||||||||||||||
1 | 3 | 27 | 700.5 | 714.5 | 0.0738 | 2.5 ppm | 2M70W7D | ||||||||||||||||||||||||||||||||||
1 | 31 | 27 | 704 | 711 | 0.0859 | 2.5 ppm | 8M99G7D | ||||||||||||||||||||||||||||||||||
1 | 32 | 27 | 704 | 711 | 0.0735 | 2.5 ppm | 8M97W7D | ||||||||||||||||||||||||||||||||||
1 | 33 | 27 | 709 | 711 | 0.1122 | 2.5 ppm | 8M98G7D | ||||||||||||||||||||||||||||||||||
1 | 34 | 27 | 709 | 711 | 0.0875 | 2.5 ppm | 8M99W7D |
some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details
This product uses the FCC Data API but is not endorsed or certified by the FCC