FCC ID: 2BB64C10GS LTE Modem/Module

C 10G S Hardware Manual C avli C 10G S LTE C AT 1/4 Module Integrated eSIM Hardware Manual External Release Version 2.2 Connect to our website and feel free to contact our technical support team for any assistance www.cavliwireless.com www.cavliwireless.com 1 C 10G S Hardware Manual Connect to our website and feel free to contact our technical support team for any assistance. Cavli Inc., Cavli Inc., 99 South Almaden Blvd., Suite 600, San Jose, California, 95113 Phone: 1-650-535-1150 Web: www.cavliwireless.com IoT Connectivity Platform: www.cavlihubble.io Support Center https://www.cavliwireless.com/support-center.html e-Mail: support@cavliwireless.com For sales enquiries https://www.cavliwireless.com/contact-us.html e-Mail: sales@cavliwireless.com More IoT Modules https://www.cavliwireless.com/iot-modules/cellular-modules.html COPYRIGHT THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF CAVLI INC. TRANSMITTING, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL OR DESIGN. EVERY EFFORT HAS BEEN MADE IN PREPARATION OF THIS DOCUMENT TO ENSURE ACCURACY OF THE CONTENTS. BUT ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS DOCUMENT DO NOT CONSTITUTE A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO PRODUCT VERSION UPDATEOR OTHER REASONS. FOR MOST RECENT DOCUMENTS, ALWAYS REFER THE PRODUCT PORTFOLIO SECTION AT WWW.CAVLIWIRELESS.COM. Copyright Cavli Inc. All rights reserved www.cavliwireless.com 2 C 10G S Hardware Manual Table of C ontents 1 Introduction .........................................................................................................................................9 2 Module Overview ............................................................................................................................10 2.1 Module introduction ................................................................................................................... 10 2.2 Module characteristics ............................................................................................................ 11 2.3 Module function .......................................................................................................................... 13 2.4 Module working mode ............................................................................................................. 13 3 Interface application description ..............................................................................................14 3.1 C hapter overview ....................................................................................................................... 14 3.2 Module interface ........................................................................................................................ 15 3.2.1 C10GS Pin layout .......................................................................................................................................................................................... 15 3.2.2 C10GS pin interface.................................................................................................................................................................................. 16 3.3 Power interface .......................................................................................................................... 21 3.3.1 Power supply design ............................................................................................................................................................................... 21 3.3.2 Power reference circuit ...................................................................................................................................................................... 23 3.3.3 VREF 1.8 voltage output ..................................................................................................................................................................... 24 3.4 Switching machine reset mode ........................................................................................... 24 3.4.1 Turn ON Module .......................................................................................................................................................................................... 24 3.4.2 Reset control .................................................................................................................................................................................................. 25 3.5 U SB interface .............................................................................................................................. 26 3.6 U ART interface ........................................................................................................................... 28 3.6.1 UART1 serial port ........................................................................................................................................................................................ 28 3.6.2 UART2 serial port ...................................................................................................................................................................................... 28 3.6.3 Serial port application circuit ....................................................................................................................................................... 29 www.cavliwireless.com 3 C 10G S Hardware Manual 3.6.4 UART3 serial port ...................................................................................................................................................................................... 30 3.7 U SIM interface ............................................................................................................................ 31 3.7.1 USIM card reference circuit ............................................................................................................................................................. 31 3.8 G eneral purpose G PIO interface ......................................................................................... 32 3.9 Network status indication interface ................................................................................... 33 3.10 PC M digital voice interface .................................................................................................. 34 3.11 I2C bus .......................................................................................................................................... 36 3.12 SDIO Interface ........................................................................................................................... 37 3.13 Antenna ........................................................................................................................................ 38 3.13.1 RF trace reference ................................................................................................................................................................................. 40 3.13.2 RF connector size ................................................................................................................................................................................... 42 3.14 C ontrol Interface ...................................................................................................................... 43 3.15 Ethernet Interface .................................................................................................................... 44 3.16 G NSS Interface ......................................................................................................................... 45 3.17 JTAG interface .......................................................................................................................... 47 3.18 SPI interface ............................................................................................................................... 47 4 Overall technical indicators ........................................................................................................48 4.1 C hapter overview ...................................................................................................................... 48 4.2 W orking frequency ................................................................................................................... 48 4.3 G NSS Performances ................................................................................................................. 49 4.4 Antenna requirements ............................................................................................................. 49 5 Interface electrical characteristics ...........................................................................................51 5.1 C hapter overview ....................................................................................................................... 51 5.2 W orking storage temperature ............................................................................................. 51 5.3 Electrostatic property .............................................................................................................. 51 5.4 Reliability index .......................................................................................................................... 52 www.cavliwireless.com 4 C 10G S Hardware Manual 5.5 Module IO level ........................................................................................................................... 53 5.6 Power supply ............................................................................................................................... 54 5.7 Power consumption characteristics ................................................................................... 54 6 Structural and mechanical properties ....................................................................................56 6.1 C 10G S module mechanical size ............................................................................................ 56 7 Ordering Information ....................................................................................................................58 8 Packaging and production ...........................................................................................................60 8.1 C hapter overview ....................................................................................................................... 60 8.2 Module packaging and storage ............................................................................................ 60 8.3 Production welding ................................................................................................................... 61 9 C ertificate Information & W arnings .........................................................................................63 9.1 C E EU Statement ........................................................................................................................ 63 9.2 IC Information ............................................................................................................................. 63 9.3 FC C W arnings ............................................................................................................................ 65 9.3.1 FCC Modular Approval Information Examples for Manual ....................................................................... 65 9.3.2 FCC Radiation Exposure Statement .................................................................................................................................... 66 9.3.3 OEM integration instructions ........................................................................................................................................................ 66 9.3.4 Validity of using the module certification ...................................................................................................................... 66 9.3.5 Upgrade Firmware.................................................................................................................................................................................. 66 9.3.6 End product labeling ............................................................................................................................................................................. 66 9.3.7 Information that must be placed in the end user manual ......................................................................... 67 9.3.8 Requirement per KDB996369 D03 ........................................................................................................................................ 67 10 Appendix ............................................................................................................................................70 10.1 C hapter overview ..................................................................................................................... 70 10.2 Abbreviations ............................................................................................................................ 70 10.3 Safety and precautions ......................................................................................................... 72 www.cavliwireless.com 5 C 10G S Hardware Manual Table of Figures Figure 1 C10GS Functional Block Diagram ............................................................................................................. 13 Figure 2 C10GS module Interface definition ........................................................................................................... 15 Figure 3 VCC power supply ....................................................................................................................................... 22 Figure 4 DC switching power supply reference circuit ........................................................................................... 23 Figure 5 PMOS tube control power switch reference circuit ................................................................................ 23 Figure 6 Power-on reference circuit .............................................................................................................................. 25 Figure 7 Power-on reference circuit-2 .......................................................................................................................... 25 Figure 8 Reset reference circuit ................................................................................................................................ 26 Figure 9 USB connection design circuit diagram ..................................................................................................... 27 Figure 10 Two Wire UART communication .................................................................................................................. 29 Figure 11 Level conversion chip circuit ......................................................................................................................... 30 Figure 12 USIM design circuit diagram .................................................................................................................... 31 Figure 13 Circuit diagram of network indicator ........................................................................................................... 33 Figure 14 PCM short frame mode timing diagram .................................................................................................. 35 Figure 15 PCM to analog voice map ......................................................................................................................... 36 Figure 16 I2C interface reference circuit diagram .................................................................................................. 37 Figure 17 Main antenna matching circuit .................................................................................................................... 39 Figure 18 GNSS Passive antenna matching circuit ................................................................................................. 39 Figure 19 GNSS active antenna matching circuit ......................................................................................................... 39 Figure 20 Coplanar antenna ...................................................................................................................................... 40 Figure 21 The complete structure of the two-layer PCB microstrip line ............................................................. 41 Figure 22 The complete structure of the multilayer PCB strip line....................................................................... 41 Figure 23 RF connector size chart ................................................................................................................................ 42 Figure 24 Antenna connector matching plug diagram ................................................................................................. 42 Figure 25 Matching coaxial RF line size ........................................................................................................................ 43 Figure 26 Multi GNSS receiver Block diagram .............................................................................................................. 45 Figure 27 Top view and bottom view of the module ............................................................................................... 56 Figure 28 C10GS module dimensions ...................................................................................................................... 56 Figure 29 C10GS module side view .............................................................................................................................. 56 Figure 30 C10GS footprint (Top view) .......................................................................................................................... 57 Figure 31 Ordering Information ................................................................................................................................ 58 www.cavliwireless.com 6 C 10G S Hardware Manual Figure 32 C10GS Tape measurements (in mm) ............................................................................................................ 60 Figure 33 Reel Dimensions of C10GS (in mm) .............................................................................................................. 61 Figure 34 Reflow soldering temperature graph ............................................................................................................ 62 www.cavliwireless.com 7 C 10G S Hardware Manual VERSION HISTORY Version Edit 1.0 Initial Version Contents of UART section updated USB section updated Side view dimension edited Changed pin 73 Reel structure update Updated SPQ to 450 pcs/reel Date 01/12/2021 24/02/2022 02/03/2022 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 Changed Template to the latest format 14/07/2022 Updated Power characteristics Updated reference circuits o Main antenna matching circuit o GNSS active antenna matching circuit o GNSS passive antenna matching circuit o USB connection design circuit diagram updated o Coplanar Antenna Updated GNSS constellation support details Added notes on USB connection design Updated LTE Bands Updated Network Protocols Updated typical current consumption Updated USIM Voltage Updated Main and Passive antenna matching circuit Changed Temperature Range and Network Protocols GNSS Performance figures updated 3GPP release version updated Updated FCC warnings Added EU Declaration of Conformity(DoC) Updated data in Chapter 9 Merged EU DoC and FCC warnings 27/09/2022 04/11/2022 20/02/2023 02/03/2023 24/07/2023 01/08/2023 11/08/2023 21/08/2023 www.cavliwireless.com 8 C 10G S Hardware Manual 1 Introduction This document is the Hardware Manual of Cavli Wireless solution product C10GS Smart Module, which describes the hardware composition and functional features of the module, the definition and usage of the application interface, and the electrical performance and mechanical properties of the module. This document and the other application documents combined will enable users to develop end devices with Cavli Modules. www.cavliwireless.com 9 C 10G S Hardware Manual 2 Module Overview 2.1 Module introduction C10GS module which integrates application processing subsystem, communication subsystem, multimedia and connectivity peripherals to enable single chip 4G LTE feature phone solution. The C10GS communication subsystem integrates LTE CAT 1/4 and RF transceiver to cover 1/2/3/4/5/6/8/10/18/19/20/25/26/40/66 bands for worldwide roaming. LTE CAT 1/4 is compliant with 3GPP E-UTRA Release 9. The application subsystem runs on dual ARM11 processor with integrated peripherals for connectivity and multimedia. The C10GS module can be used in the following applications:

Vehicle telematics Asset tracking Fleet management Smart city and smart home applications Connected retail applications- point of sale devices, automated teller machines, vending machines etc Industrial IoT - gateways, remote control & monitoring systems www.cavliwireless.com 10 C 10G S Hardware Manual 2.2 Module characteristics Table 2-1 Key Features Characteristics Description Physical characteristics 37mm x 21.8mmx 2.8mm Fixed way LGA package, patch mount Operating Voltage 3.6V - 4.5V Typical Voltage 3.8V Application processor ARM11 with 400MHz clock with 32KB I-Cache,32KB D-

Cache and 16KB Data TCM for each CPU USIM card interface USB interface Supports 1.8V, supports hot swap function USB2.0 (High-Speed) (only supports slave mode), data transfer rate up to 480Mbps For AT commands, data transfer, software debugging and software upgrades Inside UART interface UART1 for DM and AT interfacing (921600bps only) UART2 for interfacing (default 115200bps) UART3 for User interfacing. The baud rate is up to 921600bps. Application interface PCM interface For audio, external codec chip Supports 8-bit A-law, U-law and 16-bit linear encoding formats Support short frame mode Support main mode SDIO interface Compliant with SDIO 3.0 protocol Comply with IEEE 802.11 standard I2C interface Compliant with I2C bus protocol High speed mode supports 3.3Mbps rate Network indication WWAN_STATE network status indication STATUS Module status GPIO 13 GPIO interface Ethernet Interface RGMII interface www.cavliwireless.com 11 C 10G S Hardware Manual GNSS GPS, GLONASS, BEIDOU, Galileo, QZSS, SBAS SPI Interface Standard SPI interface LTEBANDS:

1/2/3/4/5/6/8/10/18/19/20/25/26/40/66 FDD/TDD LTE CAT 1/4 Peak DL 10Mbps/ UL 5Mbps (CAT 1) Peak DL 150Mbps / UL 50Mbps (CAT 4) Support for standard AT instruction sets (Hayes 3GPP TS 27.007 and 27.005) Specific AT query C10GS AT command set Supports TCP/TCPS UDP HTTPS MQTT/MQTTS FTP/FTPS PPP SNMP and its TLS Web Socket (WS) and its TLS MAIN x 1 GNSS 1 Characteristic impedance 50 Frequency band Data service AT command Network protocol Antenna interface Virtual network card Supports USB virtual network card Temperature range Normal working temperature - 20 to +70 Limit working temperature - 30 to +85 Storage temperature: -50 to +TBD Humidity RH5%RH95%

Module function distinction S on the model number represents the single mode NOTE When the temperature is in the range of 40C to 30C or +75C to +85C, some RF specifications of the C10GS module may not meet the 3GPP standards. www.cavliwireless.com 12 C 10G S Hardware Manual 2.3 Module function C10GS/C10GS-G Module mainly consists of the following circuit units:

RF Band SAW Duplex array Multi-Band PA Interfaces Memory unit The functional block diagram of the C10GS module is shown below Figure 1 C10GS Functional Block Diagram 2.4 Module working mode Working mode Description Table 2-2 work mode Turn off the machine In the case of shutdown, the module is fully powered off. Flight Mode Dormancy The module closes the module RF circuit, unable to interact with the network. The module closes most functions, and it will synchronize with the network. Ideal state Turn on the machine and register the network successfully, in the idle state Data transmission The module is in working state and has data interaction with the network. www.cavliwireless.com 13 C 10G S Hardware Manual 3 Interface application description 3.1 C hapter overview This chapter mainly describes the interface definition and application of this module. It contains the following sections:

Module interface Power interface Switching machine reset mode USB interface UART interface USIM interface GPIO Interface Network status indicator interface PCM digital voice interface I2C bus SDIO interface Antenna Control interface Ethernet interface GNSS interface JTAG interface SPI interface www.cavliwireless.com 14 C 10G S Hardware Manual 3.2 Module interface 3.2.1 C10GS Pin layout C10GS pins are assigned as follows Figure 2 C10GS module Interface definition NOTE All RESERVED and unused pin feet need to be left floating www.cavliwireless.com 15 C 10G S Hardware Manual 3.2.2 C10GS pin interface The C10GS module has the LGA interface. The module interface definition is shown in the following table:

Pin name Pin No. 1 3 5 7 9 GND LTE_MAIN GND GND RESERVED 11 GND 13 GND 15 RESERVED 17 GND 19 GND 21 RESERVED 23 GND 25 GND 27 RESERVED 29 GND 31 GND 33 GNSS_L1 35 GND 37 VCC1 39 VCC3 Table 3-1 Pin name Pin name Pin No. 2 4 6 8 GND GND GND GND 10 GND 12 GND 14 GND 16 GND 18 GND 20 GND 22 GND 24 GND 26 GND 28 GND 30 GND 32 GND 34 GND 36 GND 38 VCC2 40 VCC4 www.cavliwireless.com 16 C 10G S Hardware Manual 41 VCC5 43 RESERVED 45 GND 47 PCM_DIN 49 PCM_CLK 51 GND 53 GPIO02 55 GPIO04 57 GPIO10 59 GPIO12 61 RESERVED 63 RESERVED 65 UART3_TX 67 SDH_D0 69 SDH_D2 71 SDH_CLK 73 VDD_SDIO 75 GND 77 RESERVED 79 RESERVED 81 RESERVED 83 UART1_TX 85 GND 87 USB_VBUS 89 GND 42 VCC6 44 GND 46 PCM_SYNC 48 PCM_DOUT 50 GND 52 GPIO01 54 GPIO03 56 GPIO09 58 GPIO11 60 GPIO13 62 RESERVED 64 UART3_RX 66 RESERVED 68 SDH_D1 70 SDH_D3 72 SDH_CMD 74 GND 76 RESERVED 78 RESERVED 80 RESERVED 82 UART1_RX 84 GND 86 USB_DP 88 USB_DN 90 GND www.cavliwireless.com 17 C 10G S Hardware Manual 91 GND 92 RGMII_TXD0 93 RGMII_TXD1 94 RGMII_TXD2 95 RGMII_TXD3 96 RGMII_RXD0 97 RGMII_RXD1 98 RGMII_RXD2 99 RGMII_RXD3 100 PHY2MAC_125MHZ 101 RGMII_TCTL 103 RGMII_MDC 105 GND 102 RGMII_TCLK 104 GND 106 UART2_RX 107 UART2_TX 108 GND 109 GND 110 RGMII_MDIO 111 RGMII_RCLK 112 RGMII_RCTL 113 STATUS 115 FLIGHT_MODE 117 RESERVED 119 RESERVED 121 RESERVED 123 SPI_CS 125 SPI_MISO 127 I2C_SCL 129 GPIO05 131 GPIO07 133 USIM_VCC 135 USIM_CLK 114 RESERVED 116 RESERVED 118 RESERVED 120 RESERVED 122 RESERVED 124 SPI_MOSI 126 SPI_SCLK 128 I2C_SDA 130 GPIO06 132 GPIO08 134 USIM_DATA 136 USIM_RESET 137 USIM_DETECT 138 RESERVED 139 GND 140 GND www.cavliwireless.com 18 C 10G S Hardware Manual 141 WWAN_STATE 142 POWER_ON 143 RESERVED 145 RESET 147 JTAG_TCK 149 JTAG_TDI 151 GEO_FENCE 153 1PPS 155 RTCM_TXD 157 GNSS_RESET 159 GNSS_RXD 161 RESERVED 163 RESERVED 165 RESERVED 167 GND 169 GND 171 GND 173 GND 175 GND 177 GND 179 GND 181 GND 183 GND 185 GND 187 GND 189 GND 144 WAKEUP_IN 146 VREF 148 JTAG_TMS 150 JTAG_TDO 152 JAM_IND 154 3D_FIX 156 RTCM_RXD 158 GNSS_TXD 160 GNSS_VRTC 162 RESERVED 164 RESERVED 166 RESERVED 168 GND 170 GND 172 GND 174 GND 176 GND 178 GND 180 GND 182 GND 184 GND 186 GND 188 GND 190 GND www.cavliwireless.com 19 C 10G S Hardware Manual 191 GND 193 GND 195 GND 197 GND 199 GND 201 GND 203 GND 205 GND 207 GND 209 GND 211 GND 192 GND 194 GND 196 GND 198 GND 200 GND 202 GND 204 GND 206 GND 208 GND 210 GND Table 3-2 IO parameter definition Pin Type Full Form IO PI PO AI AO DI DO Two-way input and output power input Power Output Analog input Analog output Digital input Digital output www.cavliwireless.com 20 C 10G S Hardware Manual NOTE The module typically has an IO port level of 1.8V (in addition to the SIM, the SIM card port level supports 1.8V). This module defines the RESERVED pin as a reserved pin. It is recommended to be suspended and must not be used 3.3 Power interface The C10GS module power interface consists of three parts:

VCC1, VCC2, VCC3, VCC4, VCC5 and VCC6 are the module working power supply GNSS_VRTC is the RTC power USIM_VCC is the working power supply for SIM card 3.3.1 Power supply design The power interface of the C10GS module is as follows:

Table 3-3 Power pin definitions Power supply Definition IO Description Remarks Min Typical Max Pin No. 37 38 VCC1 VCC2 39 VCC3 40 VCC4 DI DI DI DI Module input voltage Module input voltage Module input voltage Module input voltage Input voltage 3.6~4.5V Input voltage 3.6~4.5V Input voltage 3.6~4.5V Input voltage 3.6~4.5V 3.6V 3.8V 4.5V 3.6V 3.8V 4.5V 3.6V 3.8V 4.5V 3.6V 3.8V 4.5V www.cavliwireless.com 21 C 10G S Hardware Manual 41 VCC5 42 VCC6 DI DI Module input voltage Module input voltage Input voltage 3.6~4.5V Input voltage 3.6~4.5V 133 USIM_VCC PO SIM card power supply 3.6V 3.8V 4.5V 3.6V 3.8V 4.5V 0 1.8V/

2.85V 1.98/

3.3V 146 VREF PO Reference voltage Output voltage 1.8V 1.8V The C10GS module is powered by a single power supply and the module provides six power supply pins. The power supply range is from 3.6V to 4.5V. It is recommended to use 3.8V/1.1A power supply. If the module's operating voltage drop causes the VCC supply voltage to be too low or the supply current is insufficient, the module may shut down or restart. Therefore, in order to reduce the power fluctuation of the module when working, it is necessary to use a low-ESR value of the voltage regulator capacitor, the power pin and the ground pin should be connected and can provide sufficient power supply capability. Under the premise of ensuring that the VCC power supply is sufficient, one 22uF tantalum capacitor can be connected in parallel with the power input, 10uF in parallel, two 0.1uF capacitor (eliminating clock and digital signal interference) and 33nF (eliminating low frequency RF interference) ceramic capacitors. Figure 3 VCC power supply www.cavliwireless.com 22 C 10G S Hardware Manual 3.3.2 Power reference circuit In actual design, the power circuit can be designed using a switching DC power supply or a linear LDO power supply, and then the PMOS transistor is used to control the power supply input so that the power supply can be completely cut off. Both design circuits need to supply enough current. Specific reference to the following circuit design:

Figure 4 DC switching power supply reference circuit Figure 5 PMOS tube control power switch reference circuit www.cavliwireless.com 23 C 10G S Hardware Manual NOTE To prevent damage to the module from surges and over voltages, it is recommended to connect a 5.1V/500mW Zener diode to the VCC pin of the module. It is recommended to add 3 ceramic capacitors (33pF, 10pF, 100nF) to the power pin input and place them near the VCC pin. The minimum operating voltage of the module is 3.6V. Data transmission or calls will generate a current of more than 2, thus a ripple voltage drop will occur on the power supply voltage. Therefore, the actual supply voltage must not be lower than 3.6V. Due to the large current consumption of the module power pins, it is recommended that the PCB traces be as short as possible. Minimize the equivalent impedance of the VCC trace. 3.3.3 VREF 1.8 voltage output The C10GS module outputs 1.8V through VREF for internal digital circuitry. This voltage is the logic level voltage of the module. After normal power-on, the 146th pin will output 1.8V and the current load will be 50mA. The external master can read the voltage of VREF to determine if the module is powered on. VREF can also be used as an external power supply, such as a level shifting chip, but maximum load should be within 50mA. 3.4 Switching machine reset mode 3.4.1 Turn ON Module The 142th pin of the C10GS module is POWER_ON pin. The module can be powered on by pulling down POWER_ON active low for at least 500ms. The user can check whether the module is powered on by querying the high and low levels of the VREF pin. Table 3-4 Switch pin definition Pin No. Signal name 142 POWER_ON I/O PI High value Description Power on It is recommended to use the open-collector drive circuit to control the POWER_ON, which can be released after the base level is pulled for 500ms, and the module is powered on. www.cavliwireless.com 24 C 10G S Hardware Manual Figure 6 Power-on reference circuit Switching machine design can also be done with buttons, button accessories need to be placed with a TVS tube for ESD protection. Figure 7 Power-on reference circuit-2 3.4.2 Reset control The C10GS module Pin 145 is a reset pin. The application detects that the module is abnormal. When the software does not respond, the module can be reset. Pull the pin low for 100-450ms to reset the module. The RESET pin is sensitive to interference. A 10nF to 0.1uF capacitor can be installed near the signal for signal filtering. Keep away from RF interference signals when routing. www.cavliwireless.com 25 C 10G S Hardware Manual Figure 8 Reset reference circuit Table 3-5 RESET pin parameters Symbol Treset VIH VIL Description Low level pulse width RESET input high level voltage RESET input low level voltage Min 150 1.4

-0.3 Typical Max Unit 200 450 ms 1.8 0 2.1 0.8 V V The C10GS module supports AT command reset, and the AT command is AT+TRB to restart the module. Detailed instructions can be found in the C10GS AT Command Set Manual. 3.5 U SB interface The C10GS module USB interface supports USB2.0 high-speed protocol, supports slave mode, and does not support USB charging mode. USB input and output traces must comply with the USB2.0 feature. The input power supply of USB_VBUS is 3.3 - 5V. The USB interface is used to update the firmware of the module. It is recommended to use USB interface for the firmware update. The USB interface is defined as follows Table 3-6 USB interface pin definition Pin No. Signal name 87 88 86 USB_VBUS USB_DN USB_DP I/O PI IO IO Description USB detection USB differential signal -

USB differential signal +

www.cavliwireless.com 26 C 10G S Hardware Manual The module acts as a USB slave device and supports USB sleep and wake-up mechanisms. USB interface application reference circuit is as follows Figure 9 USB connection design circuit diagram NOTE R1 or R2 is required to have a resistance of 16R The USB interface supports high-speed (480Mbps) and full-speed (12Mbps) modes, so the trace design needs to strictly follow the USB2.0 protocol requirements, pay attention to the protection of the data line, differential trace, control impedance is 90. In order to improve the antistatic performance of the USB interface, it is recommended to add an ESD protection device on the data line. The equivalent capacitance of the protection device is less than 2pF. The USB interface bus supply voltage is provided internally by the module and does not need to be externally supplied. At the same time, since the USB interface of the module does not provide USB bus power, the module can only be used as a slave device of the USB bus device. www.cavliwireless.com 27 C 10G S Hardware Manual 3.6 U ART interface The C10GS module provides three sets of UART interfaces. Main serial port and auxiliary serial ports, serial port level is 1.8V. 3.6.1 UART1 serial port The pins 82 and 83 of the module are UART1 serial port pins. UART1 serial interface can be used as DM port of the module to debug and configure the module. The pins are defined as follows Table 3-7 UART1 serial port pin definition Pin No. Signal name I/O Description Parameter Level value (V) Remark min typical max 82 UART1_RX DI Data reception VIH VIL 1.3 1.8 1.9

-0.3 0.6 83 UART1_TX DO Data transmission VOH 1.3 1.8 1.9 VOL 0 0.45 3.6.2 UART2 serial port The serial port can realize AT interactive instructions, print program log information, and interact with peripheral data and firmware update. The module's serial port baud rate can be set:

4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600bps baud rate. The default baud rate is 115200bps. www.cavliwireless.com 28 C 10G S Hardware Manual The UART interface is defined as follows+

Table 3-8 UART2 serial port signal definition Pin No. Signal name I/O Description Parameter Level value (V) Remarks min typi cal max 106 UART2_RX DI Master data reception 107 UART2_TX DO Master data transmission VIH VIL 1.3 1.8 1.9

-0.3 0.6 VOH 1.3 1.8 1.9 VOL 0 VIL

-0.3 0.84 0.6 1.8V voltage domain 1.8V voltage domain 3.6.3 Serial port application circuit If you need to use a 2-wire serial port, you can refer to the following serial port design:

Figure 10 Two Wire UART communication The serial port of the module is TTL 1.8V level. If the serial port needs to be connected with the MCU of 3.3V level, it needs to externally add a level conversion chip to achieve level matching. The chip connection method can refer to the following circuit:

www.cavliwireless.com 29 C 10G S Hardware Manual Figure 11 Level conversion chip circuit 3.6.4 UART3 serial port The pins 64 and 65 of the module are UART3 serial port pins. UART3 serial interface can be used to interact with peripheral devices. The pins are defined as follows:

Table 3-9 UART3 serial port pin definition Pin No. Signal name I/O Description Parameter Level value (V) Remark min typical max 64 UART3_RX DI 65 UART3_TX DO Data reception Data transmission VIH 1.3 1.8 1.9 VIL

-0.3 0.6 VOH 1.3 1.8 1.9 VOL 0 0.45 www.cavliwireless.com 30 C 10G S Hardware Manual 3.7 U SIM interface The C10GS module provides a USIM card interface compatible with the ISO 7816-3 standard. The USIM card power supply is provided by the module's internal power manager and supports 1.8V. Table 3-10 SIM card signal definition USIM interface Pin No. Definition I/O Functional description Remarks 133 USIM_VCC PO SIM card power supply 134 USIM_DATA IO SIM card bus data Internal 10K pull-up resistance 135 USIM_CLK DO SIM card clock output 136 USIM_RESET DO SIM card reset output Far away from the source of interference Far away from the source of interference 137 USIM_DETECT DI SIM card hot plug detection Internal level has been pulled up 3.7.1 USIM card reference circuit The C10GS module does not come with a USIM card slot. Users need to design a USIM card slot on their own interface board. The USIM card interface reference circuit is as follows Figure 12 USIM design circuit diagram www.cavliwireless.com 31 C 10G S Hardware Manual NOTE The USIM interface cable is recommended to use ONSEMI's SMF15C device for ESD protection. The peripheral circuit components should be placed close to the card holder. The SIM card holder is close to the module layout. The USIM card circuit is susceptible to radio frequency interference and does not recognize or drop the card. Therefore, the card slot should be placed as far as possible from the RF radiation of the antenna. The card trace should be as far away as possible from the RF, power supply and high-

speed signal lines. The USIM_DATA has been internally pulled up to VREF through a 10K resistor, and no external pull-up is required. USIM_DETECT is the USIM card insertion or non-insertion detection pin. It is high by default. The SIM card status can be detected by this PIN during hot plug application To avoid transient voltage overload, the USIM interface requires a 22R resistor in series with each other on the signal line path. The ground of the USIM deck and the ground of the module should maintain good connectivity. 3.8 G eneral purpose G PIO interface The C10GS module contains thirteen general purpose control signals. The interface is defined as follows:

Table 3-11 General GPIO Pin Definitions Pin No. Definition I/O Functional description 52 53 54 55 56 57 58 GPIO01 GPIO02 GPIO03 GPIO04 GPIO09 GPIO10 GPIO11 IO IO IO IO IO IO IO General purpose pin 1 General purpose pin 2 General purpose pin 3 General purpose pin 4 General purpose pin 9 General purpose pin 10 General purpose pin 11 www.cavliwireless.com 32 C 10G S Hardware Manual 59 60 129 130 131 132 GPIO12 GPIO13 GPIO05 GPIO06 GPIO07 GPIO08 IO IO IO IO IO IO General purpose pin 12 General purpose pin 13 General purpose pin 5 General purpose pin 6 General purpose pin 7 General purpose pin 8 3.9 Network status indication interface The C10GS module provides one GPIO pins to indicate module status. Table 3-12 definition of network indicator lamp Pin No. Signal name I/O Description 141 WWAN_STATE DO Network indication Table 3-13 Network indicator state Pin Signal state Module is not run or module is not registered Module registration to network successful Low High LED network indicator light reference design chart is as follows:

Figure 13 Circuit diagram of network indicator www.cavliwireless.com 33 C 10G S Hardware Manual NOTE The resistance value in the circuit diagram of the network indicator can be adjusted according to the LED lamp parameters. The brightness of the network indicator can be adjusted by adjusting the current limiting resistor R, which can be adjusted to a maximum of 40 mA. 3.10 PC M digital voice interface C10GS module provides a set of PCM audio interfaces supporting 8-bit A-rate, U-rate and 16-bit linear short frame encoding formats with PCM_SYNC of 8 kHz and PCM_CLK of 2048 kHz. Table 3-14 PCM pin definition Pin No. Signal name I/O Description Parameter Level value (V) min typical max 47 PCM_DIN DI PCM data input 48 PCM_DOUT DO PCM data output 46 PCM_SYNC DO PCM frame sync signal 49 PCM_CLK DO PCM clock pulse VIH VIL 1.3 1.8

-0.3 VOH 1.3 1.8 VOL 0 1.9 0.6 1.9 0.45 VOH 1.3 1.8 1.9 VOL 0 0.45 VOH 1.3 1.8 1.9 VOL 0 0.45 www.cavliwireless.com 34 C 10G S Hardware Manual Characteristic Encoding format Data bit Table 3-15 PCM specific parameters Description Linear 16bits Master-slave mode Master/slave mode PCM clock PCM frame synchronization Data Format 2048kHz Short frame MSB Figure 14 PCM short frame mode timing diagram www.cavliwireless.com 35 The recommended circuit for PCM to analog voice is as follows:

C 10G S Hardware Manual 3.11 I2C bus Figure 15 PCM to analog voice map The C10GS module provides a set of hardware bidirectional serial buses with an I2C interface of 1.8V level, a 5.0 protocol interface, and a clock rate of 400 KHz. Table 3-16 I2C pin definition Pin No. Signal name I/O Description Parameter 127 I2C_SCL DO I2C bus clock output 128 I2C_SDA IO I2C bus data input and output VOH VOL VOH VOL VIH VIL Level value (V) min typical max 1.3 0 1.3 0 1.3

-0.3 1.8 1.9 0.45 1.8 1.9 1.8 0.45 1.9 0.6 The I2C reference circuit is connected as follows:

www.cavliwireless.com 36 C 10G S Hardware Manual Figure 16 I2C interface reference circuit diagram 3.12 SDIO Interface C10GS module provides a set of 4-bit SD / MMC interfaces, supports SD3.0 protocol, supports two voltage SD cards of 1.8V / 2.95V, clock frequency up to 50MHz, maximum capacity supports 32GB. Provide VREF voltage for SDIO power supply. Table 3-17 SDIO Pin Definitions IO IO IO IO IO DO IO DO Definition SD card SDIO bus DATA2 SD card SDIO bus DATA1 SD card SDIO bus DATA0 SD card SDIO bus DATA3 SD card SDIO bus clock SD card SDIO bus command Reference voltage for SD Card, Bluetooth module and Wi-Fi module. Pin No. Pin name SDH_D0 SDH_D1 SDH_D2 SDH_D3 SDH_CLK SDH_CMD VDD_SDIO 67 68 69 70 71 72 73 NOTE www.cavliwireless.com 37 C 10G S Hardware Manual The SDIO bus speed is fast, and the Layout trace must conform to the SDIO3.0 specification. The maximum output current of the module power supply VDD_SD is 400mA. The reference voltage for VDD_SDIO is 3.3V, if the Bluetooth and Wi-Fi module is of 1.8V a translator is required. SD card clock frequency is up to 200MHZ. SDIO bus is a high-speed signal line and the characteristic impedance of the PCB design needs to be controlled at about 50 . The length of the signal line should be less than 25mm, and the distance between the signal lines should be 2 times the line width, and the ground should be as far away as possible from other possible interference lines. The SDIO signal line needs a 0 resistor in series to facilitate signal quality adjustment. In order to ensure good ESD performance, it is recommended to add a TVS tube to the SD card pin and place it near the pin. 3.13 Antenna The C10GS module provides two antenna interfaces, one main set antenna interface, which is responsible for the CAT 1/4 signals of the transceiver module, and another GNSS antenna interface. The GNSS antenna interface is L1. The impedance of the antenna interfaces are 50 . Table 3-18 Antenna interface pin definition Pin No. Signal name I/O Description Remarks 3 LTE_MAIN IO Main antenna interface 50 characteristic impedance 33 GNSS_L1 AI GNSS L1 antenna interface 50 characteristic impedance The pin-3 of the C10GS is the main set antenna interface. To facilitate the debugging of the antenna, a -type matching circuit needs to be added to the main board, and a 50 impedance line is taken. The pin 33 of C10GS is the GNSS antenna interface. The C10GS has a dedicated antenna L1, it supports GPS, GLONASS, BEIDOU, QZSS, SBAS and Galileo. In order to facilitate antenna debugging, a -type matching circuit needs to be added to the motherboard and a 50 impedance line is used. Recommended circuit is shown below www.cavliwireless.com 38 C 10G S Hardware Manual Figure 17 Main antenna matching circuit Figure 18 GNSS Passive antenna matching circuit Figure 19 GNSS active antenna matching circuit The C10GS module provides two RF antenna interfaces, which are the main set antenna and the GNSS L1 antenna. The antenna interface must be a 50 characteristic impedance trace. www.cavliwireless.com 39 C 10G S Hardware Manual The LTE_MAIN antenna is distributed reasonably to improve the receiving sensitivity. In actual use, the antenna board can be debugged and optimized according to the user's circuit board. Antenna impedance traces need to be away from digital signal lines, power supplies and other interference signals. The antenna impedance traces need to be three-dimensionally packaged, and the ground holes are added on both sides of the trace to isolate. 3.13.1 RF trace reference The main set of the C10GS module are extracted by pad. The antenna pad to the antenna feed point must use microstrip lines or other types of RF traces. The characteristic impedance of the signal line should be controlled at 50. The impedance of the RF signal line is determined by the material's dielectric constant, trace width (W), ground clearance (S), and reference ground plane height (H). Therefore, the RF trace requires an impedance simulation tool to calculate the impedance of the RF trace. Figure 20 Coplanar antenna www.cavliwireless.com 40 C 10G S Hardware Manual Figure 21 The complete structure of the two-layer PCB microstrip line Figure 22 The complete structure of the multilayer PCB strip line NOTE Since Coplanar antennas are having maximum noise immunity, it is preferred. www.cavliwireless.com 41 C 10G S Hardware Manual 3.13.2 RF connector size If the RF connector is used, the antenna connector must use a coaxial connector with a 50 characteristic impedance. Hirose's U.FL-R-SMT connector is recommended. The RF connector plug for this connector is the U.FL-LP series from HRS. Figure 23 RF connector size chart Figure 24 Antenna connector matching plug diagram www.cavliwireless.com 42 C 10G S Hardware Manual Table 3-19 Main parameters of the RF connector Rated condition Environmental conditions Frequency Range DC to 6 GHZ 40C to +85C Characteristic impedance 50 40C to +85C 3.14 C ontrol Interface Figure 25 Matching coaxial RF line size Table 3-20 Control interface pin definition Pin No. Signal name I/O Description 144 113 115 WAKEUP_IN STATUS FLIGHT_MODE I O I Module wake up Module status Module flight mode WAKEUP_IN:

Use this WAKEUP_IN If we support sleep mode via AT command or by default it goes to sleep mode in some cases. www.cavliwireless.com 43 C 10G S Hardware Manual STATUS:

This pin is used to get the status of the module. FLIGHT_MODE:

This pin is used to disable RF transmission. 3.15 Ethernet Interface Table 3-21 Ethernet interface pin definition Pin No. Signal name RGMII_TXD0 RGMII_TXD1 RGMII_TXD2 RGMII_TXD3 RGMII_RXD0 RGMII_RXD1 RGMII_RXD2 RGMII_RXD3 I/O DO DO DO DO DI DI DI DI Description Transmit data to external PHY device 0 Transmit data to external PHY device 1 Transmit data to external PHY device 2 Transmit data to external PHY device 3 Receive data from external PHY device 0 Receive data from external PHY device 1 Receive data from external PHY device 2 Receive data from external PHY device 3 PHY2MAC_125MHZ DO 125MHz output clock RGMII_TCTL RGMII_TCLK DO DO Transmit control RGMII Transmit clock RGMII_MDC I, PU Management data clock reference RGMII_MDIO I/O, I, PU Management data RGMII_RCLK RGMII_RCTL DO DO RGMII Receive clock Receive control 92 93 94 95 96 97 98 99 100 101 102 103 110 111 112 www.cavliwireless.com 44 C 10G S Hardware Manual 3.16 G NSS Interface Multi GNSS receiver:

L1 single band GNSS receiver Multi-Constellation GPS/GLONASS/Galileo/Bei Dou/QZSS Support for SBAS ranging, WAAS, EGNOS, MSAS and GAGAN Integrated 12 muti-tone active interference cancellers RTCM ready (RTCM v2.3 and v3.3) Indoor and outdoor multi-path detection and compensation 132 tracking channels Figure 26 Multi GNSS receiver Block diagram www.cavliwireless.com 45 C 10G S Hardware Manual Table 3-22 GNSS interface pin definition Pin No. Signal name I/O Description 33 151 152 153 154 155 156 157 158 159 160 GNSS_L1 GEO_FENCE JAM_IND 1PPS 3D_FIX_IND RTCM_TXD RTCM_RXD GNSS_RESET GDBG_TXD GDBG_RXD GNSS_VRTC AI O O O O O I I O I PI GNSS L1 antenna interface Geo-fence boundary indicator Jamming indicator One pulse per second signal Fix indicator RTCM Transmit RTCM Receive GNSS reset GNSS TXD GNSS RXD GNSS RTC Battery 1PPS:

Synchronized at rising edge, and the pulse width is 500ms. This pin must be low at start-up for normal operation. It has been pulled down internally with a 47K resistor. If unused, keep this pin open. GEO_FENCE:

The GEO_FENCE signal is used for geo-fence boundary indication. 3D_FIX_IND:

The voltage level of the 3D_FIX pin can be checked to identify the working mode when the module is powered on. JAM_IND Interface The JAM_IND Interface is used as jammer indicator interface for the detection of any jammer which may have an impact on the device. JAM_IND pin will output a low voltage level if there is any jammer, otherwise it outputs a high voltage level. Reset GNSS can be reset by driving RESET to a low-level voltage. www.cavliwireless.com 46 C 10G S Hardware Manual GNSS interface GDBG_TXD and GDBG_RXD pins are used for fetching NMEA logs. GNSS RTC Battery This pin is the power input of the RTC battery. The module can store the data if the GNSS_VRTC pin is supplied with 1.8 voltage. RTCM Interface RTCM_TXD and RTCM _RXD pins are used for RTCM interface. 3.17 JTAG interface Table 3-23 JTAG interface pin definition Pin No. Signal name I/O Description 147 148 149 150 JTAG_TCK DO Test clock (Not for customer) JTAG_TMS JTAG_TDI DI DI Test mode select (Not for customer) Test data input (Not for customer) JTAG_TDO DO Test data output (Not for customer) 3.18 SPI interface Table 3-24 SPI interface pin definition Pin No. Signal name I/O Description 123 124 125 126 SPI_CS DO Slave select SPI_MOSI SPI_MISO DI DI Master output slave input Master input slave output SPI_SCLK DO Clock www.cavliwireless.com 47 C 10G S Hardware Manual 4 Overall technical indicators 4.1 C hapter overview The C10GS module RF overall specifications include the following sections:

Working frequency GNSS Performances Antenna requirements 4.2 W orking frequency Table 4-1 RF frequency table Frequency band Uplink frequency Downstream frequency Mode LTE B1 LTE B2 LTE B3 LTE B4 LTE B5 LTE B6 LTE B8 1920MHz1980MHz 2110MHz2170MHz 1850MHz1910MHz 1930MHz1990MHz 1710MHz1785MHz 1805MHz1880MHz 1710MHz1755MHz 2110MHz2155MHz 824MHz849MHz 869MHz894MHz 830MHz-840MHz 875MHz-885MHz 880MHz915MHz 925MHz960MHz LTE B10 1710MHz-1770MHz 2110MHz-2170MHz LTE B18 815 MHz -830 MHz 860 MHz 875 MHz LTE B19 830 MHz 845 MHz 875 MHz 890 MHz LTE B20 832MHz 862MHz 791MHz 821MHz LTE B25 1850 MHz 1915 MHz 1930 MHz 1995 MHz LTE B26 814 MHz 849 MHz 859 MHz 894 MHz LTE B40 1880MHz 1920MHz 1880MHz 1920MHz LTE B66 1710 MHz 1780 MHz 2110 MHz 2200 MHz FDD FDD FDD FDD FDD FDD FDD FDD FDD FDD FDD FDD FDD TDD FDD www.cavliwireless.com 48 C 10G S Hardware Manual 4.3 G NSS Performances C10GS Module GNSS performance parameters:

Table 4-2 GNSS performance parameters Features Description Receiving Bands GPS L1/ Galileo E1 C/A: 1575.42 MHz GLONASS L1 C/A: 1602.5625 MHz BD2 B1 C/A: 1561.098 MHz SBAS: WAAS, EGNOS, MSAS, GAGAN Positioning Accuracy:

Autonomous: 1.5 m CEP Timing Accuracy:

1PPS: 10 ns TTFF@-130dBm Cold Start <27s Hot Start <1s Sensitivity:

Acquisition: -148 dBm Tracking: -166 dBm Reacquisition: -160 dBm 4.4 Antenna requirements C10GS Module Antenna Design Requirements:

Table 4-3 Antenna indicator requirements Frequency band Standing wave ratio Antenna gain Effectiveness TRP TIS B1 FDD B2 FDD B3 FDD B4 FDD B5 FDD B8 FDD

<2:1

<2:1

<2:1

<2:1

<2:1

<2:1

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88 www.cavliwireless.com 49 C 10G S Hardware Manual B18 FDD B19 FDD B20 FDD B25 FDD B26 FDD LTE B40 TDD LTE B66 FDD

<2:1

<2:1

<2:1

<2:1

<2:1

<2:1

<2:1

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88

-2.5dbi 40%

>16.5

<-88 www.cavliwireless.com 50 C 10G S Hardware Manual 5 Interface electrical characteristics 5.1 C hapter overview Working storage temperature Electrostatic property Reliability index Module IO level Power supply Power consumption characteristics 5.2 W orking storage temperature Table 5-1 C10GS module working storage temperature Parameter Minimum value Maximum Normal operating temperature Extreme working temperature Storage temperature

-20C

-30C

-50C 70C 85C TBD 5.3 Electrostatic property There is no overvoltage protection inside the C10GS module. The ESD protection is required when the module is used to ensure product quality. ESD design recommendations:

The USB port needs to add TVS on VDD, D+, D- for protection, and the TVS parasitic capacitance on D+/D- is <2pF;

The module's USIM card external pin needs to be protected by TVS, and the parasitic capacitance requirement is <10pF. The PCB layout of the protective device should be as close as possible to the "V" line to avoid the "T"

line. The ground plane around the module guarantees integrity and should not be split. ESD control of the surrounding environment and operators is required during module production, assembly and laboratory testing www.cavliwireless.com 51 C 10G S Hardware Manual Table 5-2 C10GS ESD Features Test port Contact discharge Air discharge USB interface USIM interface VBAT power supply 4 4 4 8 8 8 Unit KV KV KV 5.4 Reliability index Table 5-3 C10GS Reliability Test Test items Test Conditions Guideline Test Results Temperature: 30oC Working mode: normal work Low temperature work Test duration: 24 h IEC60068-2-1 High temperature work Working mode: normal work JESD22-A108-C Temperature: 85oC Test duration: 24 h High temperature: 85oC Low temperature: 30oC Temperature cycle Working mode: normal work JESD22-A105-B Test duration: 30 Cycles;1 h+1h /cycle High temperature: 55oC Low temperature: 25oC Humidity: 95% 3%

Working mode: normal work Test duration: 6 Cycles;12 h+12 h/cycle JESD22-A101-B Alternating hot and humid www.cavliwireless.com 52 Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD C 10G S Hardware Manual Temperature shock Drop test High temperature: 85oC Low temperature: 30oC Temperature change time: <

30s Working mode: no packaging, no Power on, do not boot Test duration: 100 Cycles;15 min+15 Min/cycle Height 0.8 m, 6 sides each time, dropped to the horizontal marble platform Working mode: no packaging, no Power on, do not boot Temperature: 40oC JESD22-A106-B IEC60068-2-32 Drop test... Working mode: no packaging, no power, no boot JESD22-A119-C Test duration: 24 h Temperature: 85oC High temperature storage Working mode: no packaging, no power, no boot JESD22-A103-C Test duration: 24 h 5.5 Module IO level The C10GS module IO levels are as follows:

Table 5-4 Electrical Characteristics of C10GS module Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check:

TBD RF indicator check:

TBD Visual inspection:

TBD Function check: TBD RF indicator check:

TBD Parameter Description Minimum value Maximum VIH VIL High level input voltage Low level input voltage www.cavliwireless.com 0.65* VDD_EXT VDD_EXT+0.3V 0.35*VDD_EXT

53 C 10G S Hardware Manual VOH VOL High level output voltage VDD_EXT-0.45V VDD_EXT Low level output voltage 0 0.45V 5.6 Power supply The C10GS module input power requirements are as follows:

Table 5-5 C10GS module Operating Voltage Parameter Minimum value Typical value Maximum Input voltage 3.6V 3.8V 4.5V The power-on time of any interface of the module must not be earlier than the boot time of the module, otherwise the module may be abnormal or damaged. 5.7 Power consumption characteristics Table 5-6 LTE power consumption LTE Bands Tx ON

@22dBm & @

5V (mA) Rx CINR

@-80dBm

(dB) RSSI

@-80dBm

(dBm) Tx IDLE

(mA) DRX Mode Deep Sleep Mode B1 B2 B3 B4 B5 B6 B8 750mA 752mA 840mA 840mA 770mA TBD 610mA 17.7 17.5 18.7 17.6 18.7 TBD 18.4 16.8 15.1 15.3 16.2 16.2 TBD 16.6 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA www.cavliwireless.com 54 C 10G S Hardware Manual B10 B18 B19 B20 B25 B26 B40 B66 TBD 770mA 770mA 670mA 752mA 770mA 470mA 840mA TBD 18.7 18.7 18.5 17.5 18.7 18.1 17.6 TBD 210mA 17mA 1.078mA 16.2 16.2 16.7 15.1 16.2 18.1 16.2 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA 210mA 17mA 1.078mA www.cavliwireless.com 55 C 10G S Hardware Manual 6 Structural and mechanical properties 6.1 C 10G S module mechanical size The figure below shows the top and bottom view of the module. Figure 27 Top view and bottom view of the module Figure 28 C10GS module dimensions The mechanical dimension of C10GS is as follows:

Figure 29 C10GS module side view www.cavliwireless.com 56 C 10G S Hardware Manual Figure 30 C10GS footprint (Top view) www.cavliwireless.com 57 C 10G S Hardware Manual 7 Ordering Information Figure 31 Ordering Information www.cavliwireless.com 58 C 10G S Hardware Manual Part Number Package Type Tape width Tolerance SPQ Table 7-1 Ordering Information C10GS-S001N Tape & Reel 56mm C10GS-S001H Tape & Reel 56mm C10GS-GNA1N Tape & Reel 56mm C10GS-GNA1H Tape & Reel 56mm C10GS-S004N Tape & Reel 56mm C10GS-S004H Tape & Reel 56mm C10GS-GNA4N Tape & Reel 56mm C10GS-GNA4H Tape & Reel 56mm 0.2 mm 0.2 mm 0.2 mm 0.2 mm 0.2 mm 0.2 mm 0.2 mm 0.2 mm 450 450 450 450 450 450 450 450 www.cavliwireless.com 59 C 10G S Hardware Manual 8 Packaging and production 8.1 C hapter overview Module packaging and storage Production welding 8.2 Module packaging and storage The C10GS module is packaged in a tape reel with a 450 pcs per reel, shipped as a tape reel sealed bag. Tolerance: 0.2 mm Figure 32 C10GS Tape measurements (in mm) www.cavliwireless.com 60 C 10G S Hardware Manual Figure 33 Reel Dimensions of C10GS (in mm) The storage of the C10GS module is subject to the following conditions:

The module has a moisture sensitivity rating of 3. When the ambient temperature is greater than 40 degrees Celsius and the air humidity is less than 90%, the module can be stored in a vacuum sealed bag for 12 months. When the vacuum sealed bag is opened, if the ambient temperature of the module is lower than 30 degrees Celsius and the air humidity is less than 60%, the factory can complete the patch within 72 hours, and the module can directly perform reflow soldering or other high temperature process. If the module is in other conditions, it needs to be baked before the patch. If the module needs to be baked, remove the module and bake for 48 hours at 125 degrees Celsius

(allowing fluctuations of up to 5 degrees Celsius). 8.3 Production welding The C10GS module is packaged in an anti-static tray. The SMT wire body needs to be equipped with a Tray module. It is recommended to use a reflow oven above 7 temperature zones. To ensure the quality of the module paste, the thickness of the stencil corresponding to the pad portion of the C10GS module is recommended to be 0.18 mm. The recommended reflow temperature is 235~245oC, which cannot exceed 260oC. When the PCB is laid out on both sides, the LGA module layout must be machined on the 2nd side. Avoid module falling parts, welding and welding, and poor internal welding of the module caused by the gravity of the module. The recommended furnace temperature curve is shown below:

www.cavliwireless.com 61 C 10G S Hardware Manual Figure 34 Reflow soldering temperature graph Table 8-1 Reflow process parameter table Warm zone Time Key parameter Preheating zone (4~

165) Temperature zone

(160210) t1t270s 120s Recirculation zone (>

217 ) t3t440s 60s Heating rate: 1/ s ~ 3 / s Peak temperature: 235~ 245 Cooling zone Cooling rate: 2/s Slope 5/s www.cavliwireless.com 62 C 10G S Hardware Manual 9 C ertificate Information & W arnings 9.1 C E EU Statement Declaration of Conformity Hereby, Cavli Inc declares that the equipment type LTE Cat 1 Modem, model C10GS is in compliance with Directive 2014/53/EU. Manufacturer address Cavli Inc., 99 South Almaden Blvd., Suite 600, San Jose, California, 95113 Phone: 1-650-535-1150 Web: www.cavliwireless.com The full text of the EU declaration of conformity is available at the following internet address:

https://www.cavliwireless.com/c-series/c10gs.html 9.2 IC Information This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) this device may not cause interference, and

(2) this device must accept any interference, including interference that may cause undesired operation of the device. Cet appareil est conforme avec Industrie Canada exempts de licence standard RSS (s). L'opration est soumise aux deux conditions suivantes:

(1) cet appareil ne peut causer d'interfrences, et

(2) cet appareil doit accepter toute interfrence, y compris les interfrences qui peuvent causer un mauvais fonctionnement de l'appareil. The end product must be labeled to display the Industry Canada certification number of the module. Contains transmitter module IC: 3113-C10GS Le dispositif d'accueil doivent tre tiquets pour afficher le numro de certification d'Industrie Canada du module. Contient module metteur IC: 3113-C10GS Information for OEM Integrator This device is intended only for OEM integrators under the following conditions:

1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and www.cavliwireless.com 63 C 10G S Hardware Manual 2) The transmitter module may not be co-located with any other transmitter or antenna. End product labelling The label for end product must include Contains IC: IC: 3113-C10GS. CAUTION: Exposure to Radio Frequency Radiation. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20cm between the radiator and your body. This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm may be maintained between the antenna and users. The Host Marketing Name (HMN) must be indicated at any location on the exterior of the host product or product packaging or product literature, which shall be available with the host product or online. This radio transmitter [ lC: IC: 3113-C10GS] has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. Manufacturer Peak gain Impedance Antenna type Frequency Range FDD LTE Band 1 FDD LTE Band 2 FDD LTE Band 3 FDD LTE Band 4 FDD LTE Band 5 FDD LTE Band 6 FDD LTE Band 8 Cavli Inc FDD LTE Band 10 FDD LTE Band 18 FDD LTE Band 19 FDD LTE Band 20 3db 3db 3db 3db 3db 3db 3db 3db 3db 3db 3db 50 50 50 50 50 50 50 50 External External External External External External External External 50 External 50 External 50 External www.cavliwireless.com 64 FDD LTE Band 25 FDD LTE Band 26 FDD LTE Band 40 FDD LTE Band 66 C 10G S Hardware Manual 3db 3db 3db 3db 50 External 50 External 50 External 50 External 9.3 FC C W arnings 9.3.1 FCC Modular Approval Information Examples for Manual This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. CAUTION:

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

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

- Consult the dealer or an experienced radio/TV technician for help. www.cavliwireless.com 65 C 10G S Hardware Manual 9.3.2 FCC 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 20cm between the radiator & your body. 9.3.3 OEM integration instructions This device is intended only for OEM integrators under the following conditions:

The module must be installed in the host equipment such that 20 cm is maintained between the antenna and users, and the transmitter module may not be co-located with any other transmitter or antenna. The module shall be only used with the internal on-board antenna that has been originally tested and certified with this module. External antennas are not supported. As long as these 3 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 (for example, digital device emissions, PC peripheral requirements, etc.). The end-product may need Verification testing, Declaration of Conformity testing, a Permissive Class II Change or new Certification. Please involve an FCC certification specialist in order to determine what will be exactly applicable for the end-product. 9.3.4 Validity of using the module certification In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module 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. In such cases, please involve a FCC certification specialist in order to determine if a Permissive Class II Change or new Certification is required. 9.3.5 Upgrade Firmware The software provided for firmware upgrade will not be capable to affect any RF parameters as certified for the FCC for this module, in order to prevent compliance issues. 9.3.6 End product labeling This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm may be maintained between the antenna and users. The final end product must be labeled in a visible area with the following: Contains FCC ID: 2BB64C10GS Information that must be placed in the end user manual:

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 user's 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. CAUTION:

Exposure to Radio Frequency Radiation. www.cavliwireless.com 66 C 10G S Hardware Manual Antenna shall be mounted in such a manner to minimize the potential for human contact during normal operation. The antenna should not be contacted during operation to avoid the possibility of exceeding the FCC radio frequency exposure limit. 9.3.7 Information that must be placed in the end user manual 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 user's 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. CAUTION: Exposure to Radio Frequency Radiation. Antenna shall be mounted in such a manner to minimize the potential for human contact during normal operation. The antenna should not be contacted during operation to avoid the possibility of exceeding the FCC radio frequency exposure limit. 9.3.8 Requirement per KDB996369 D03 9.3.8.1 List of applicable FCC rules List the FCC rules that are applicable to the modular transmitter. These are the rules that specifically establish the bands of operation, the power, spurious emissions, and operating fundamental frequencies. DO NOT list compliance to unintentional-radiator rules (Part 15 Subpart B) since that is not a condition of a module grant that is extended to a host manufacturer. See also Section 2.10 below concerning the need to notify host manufacturers that further testing is required.3 Explanation: This module meets the requirements of FCC part 15C(15.247). part 15E(15.407), part 22, part 24, part 27, part90. 9.3.8.2 Summarize the specific operational use conditions Describe use conditions that are applicable to the modular transmitter, including for example any limits on antennas, etc. For example, if point-to-point antennas are used that require reduction in power or compensation for cable loss, then this information must be in the instructions. If the use condition limitations extend to professional users, then instructions must state that this information also extends to the host manufacturers instruction manual. In addition, certain information may also be needed, such as peak gain per frequency band and minimum gain, specifically for master devices in 5 GHz DFS bands. Explanation: The EUT has a Chip Antenna, and the antenna use a permanently attached antenna which is not replaceable. 9.3.8.3Limited module procedures If a modular transmitter is approved as a limited module, then the module manufacturer is responsible for approving the host environment that the limited module is used with. The manufacturer of a limited module must describe, both in the filing and in the installation instructions, the alternative means that the limited module manufacturer uses to verify that the host meets the necessary requirements to satisfy the module limiting conditions. A limited module manufacturer has the flexibility to define its alternative method to address the conditions that limit the initial approval, such as: shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation. The alternative method could include that the limited module manufacturer reviews detailed test data or host designs prior to giving the host manufacturer approval. This limited module procedure is also applicable for RF exposure evaluation when it is necessary to www.cavliwireless.com 67 C 10G S Hardware Manual demonstrate compliance in a specific host. The module manufacturer must state how control of the product into which the modular transmitter will be installed will be maintained such that full compliance of the product is always ensured. For additional hosts other than the specific host originally granted with a limited module, a Class II permissive change is required on the module grant to register the additional host as a specific host also approved with the module. Explanation: The module is not a limited module. 9.3.8.4 Trace antenna designs For a modular transmitter with trace antenna designs, see the guidance in Question 11 of KDB Publication 996369 D02 FAQ Modules for Micro-Strip Antennas and traces. The integration information shall include for the TCB review the integration instructions for the following aspects:

layout of trace design, parts list (BOM), antenna, connectors, and isolation requirements. a. Information that includes permitted variances (e.g., trace boundary limits, thickness, length, width, shape(s), b. dielectric constant, and impedance as applicable for each type of antenna);

c. Each design shall be considered a different type (e.g., antenna length in multiple(s) of frequency, d. the wavelength, and antenna shape (traces in phase) can affect antenna gain and must be considered);

e. The parameters shall be provided in a manner permitting host manufacturers to design the printed circuit

(PC) board layout;

f. Appropriate parts by manufacturer and specifications;

g. Test procedures for design verification; and h. Production test procedures for ensuring compliance. The module grantee shall provide a 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 the module grantee 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 grantee, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. Explanation: Yes, the module with trace antenna designs, and This manual has been shown the layout of trace design, antenna, connectors, and isolation requirements. 9.3.8.5 RF exposure considerations It is essential for module grantees to clearly and explicitly state the RF exposure conditions that permit a host product manufacturer to use the module. Two types of instructions are required for RF exposure information:

1. To the host product manufacturer, to define the application conditions (mobile, portable xx cm from a persons body) 2. Additional text needed for the host product manufacturer to provide to end users in their end-product manuals. If RF exposure statements and use conditions are not provided, then the host product manufacturer is required to take responsibility of the module through a change in FCC ID (new application). Explanation: This module complies with FCC RF radiation exposure limits set forth for an uncontrolled environment, this equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body." This module is designed to comply with the FCC statement, FCC ID is:

www.cavliwireless.com 68 C 10G S Hardware Manual xxxxxxxxx. 9.3.8.6 Antennas A list of antennas included in the application for certification must be provided in the instructions. For modular transmitters approved as limited modules, all applicable professional installer instructions must be included as part of the information to the host product manufacturer. The antenna list shall also identify the antenna types (monopole, PIFA, dipole, etc. (note that for example an omni-directional antenna is not considered to be a specific antenna type)). For situations where the host product manufacturer is responsible for an external connector, for example with an RF pin and antenna trace design, the integration instructions shall inform the installer that unique antenna connector must be used on the Part 15 authorized transmitters used in the host product. The module manufacturers shall provide a list of acceptable unique connectors. Explanation: The EUT has a Chip Antenna, and the antenna use a permanently attached antenna which is unique. 9.3.8.7 Label and compliance information Grantees are responsible for the continued compliance of their modules to the FCC rules. This includes advising host product manufacturers that they need to provide a physical or e-label stating Contains FCC ID with their finished product. See Guidelines for Labeling and User Information for RF Devices KDB Publication 784748. Explanation: The host system using this module, should have label in a visible area indicated the following texts: Contains FCC ID: xxxxxxxxx 9.3.8.8 Information on test modes and additional testing requirements Additional guidance for testing host products is given in KDB Publication 996369 D04 Module Integration Guide. Test modes should take into consideration different operational conditions for a stand-alone modular transmitter in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product. The grantee should provide information on how to configure test modes for host product evaluation for different operational conditions for a stand-alone modular transmitter in a host, versus with multiple, simultaneously transmitting modules or other transmitters in a host. Grantees can increase the utility of their modular transmitters by providing special means, modes, or instructions that simulate or characterizes a connection by enabling a transmitter. This can greatly simplify a host manufacturers determination that a module as installed in a host complies with FCC requirements. Explanation: Top band can increase the utility of our modular transmitters by providing instructions that simulates or characterizes a connection by enabling a transmitter. 9.3.8.9 Additional testing, Part 15 Subpart B disclaimer The grantee should include a statement that 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. www.cavliwireless.com 69 C 10G S Hardware Manual Explanation: The module without unintentional-radiator digital circuity, so the module does not require an evaluation by FCC Part 15 Subpart B. The host should be evaluated by the FCC Subpart B. 10 Appendix 10 .1 C hapter overview Abbreviations Safety and precautions 10 .2 Abbreviations Table 9-1 Abbreviations Abbreviations Full name 3GPP AP AMR BER CCC CDMA CE CSD CTS DC DTR DL DTE DRX EDGE Third Generation Partnership Project Access Point Adaptive Multi-rate Bit Error Rate China Compulsory Certification Code Division Multiple Access European Conformity Circuit Switched Data Clear to Send Direct Current Data Terminal Ready Down Link Data Terminal Equipment Discontinuous Reception Enhanced Data Rate for GSM Evolution www.cavliwireless.com 70 EU EMC ESD FCC GPRS GSM HSDPA HSPA HSUPA IMEI LED LTE NC PCB PCM PDU PMU PPP QPSK RF RoHS SMS TIS TVS TX C 10G S Hardware Manual European Union Electromagnetic Compatibility Electrostatic Discharge Federal Communications Commission General Packet Radio Service Global System for Mobile Communication High-Speed Downlink Packet Access Enhanced High Speed Packet Access High Speed Up-link Packet Access International Mobile Equipment Identity Light-Emitting Diode Long Term Evolution Not Connected Printed Circuit Board Pulse Code Modulation Protocol Data Unit Power Management Unit Point-to-point protocol Quadrature Phase Shift Keying Radio Frequency Restriction of the Use of Certain Hazardous Substances Short Message Service Total Isotropic Sensitivity Transient Voltage Suppressor Transmitting Direction www.cavliwireless.com 71 UART UMTS USIM USSD VSWR WCDMA WWAN C 10G S Hardware Manual Universal Asynchronous Receiver-Transmitter Universal Mobile Telecommunications System Universal Subscriber Identity Module Unstructured Supplementary Service Data Voltage Standing Wave Ratio Wideband Code Division Multiple Access Wireless Wide Area Network 10 .3 Safety and precautions In order to use the wireless device safely, the terminal device informs the user of the relevant safety information:

Interference: When the use of wireless devices is prohibited or the use of the device may cause interference and security of the electronic device, turn off the wireless device. Because the terminal will send and receive RF signals when it is powered on. It can interfere with TV, radio, computer or other electrical equipment. Medical equipment: In medical and health care facilities where the use of wireless devices is prohibited in the express text, please follow the regulations of the site and turn off the device. Some wireless devices may interfere with the medical device, causing the medical device to malfunction or cause errors. If interference occurs, turn off the wireless device and consult a physician. Flammable and explosive areas: In flammable and explosive areas, please turn off your wireless device and follow the relevant label instructions to avoid an explosion or fire. For example; gas stations, fuel zones, chemical products areas, chemical transportation and storage facilities, areas with explosion hazard signs, areas with turn off radio equipment signs, etc. Traffic Safety: Please comply with local laws or regulations in your country or region regarding the use of wireless devices when driving a vehicle. Aviation Safety: When flying, please follow the airline's regulations and regulations regarding the use of wireless devices. Before taking off, turn off the wireless device to prevent wireless signals from interfering with aircraft control signals. Environmental Protection: Please comply with local laws regarding the handling of equipment packaging materials, equipment or accessories, and support recycling operations. Emergency call: This device uses wireless signals for propagation. Therefore, there is no guarantee that the network can be connected in all situations, so in an emergency this wireless device cannot be used as the only contact method. www.cavliwireless.com 72

By

CAVLI"! c106Gs wiretess PN: C10GS-XXXXX OA 3S C SN: XXXXXXXXXXX 4 2S S<

IMEI: XXXXXXXXXXXXXXX fl RoHS 2002/95/EC FCC ID: 2BB64C10GS LTE CAT X Module IC: 31113-C10GS Made in India

Date: 2023/8/23 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Cavli Inc. the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Cavli Inc. solely in matters relating to the application for an FCC equipment authorization FCC ID: 2BB64C10GS including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Cavli Inc. Cavli Inc. also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely,

(signature) Print name: Tarun Thomas Geroge Title: COO Cavli Inc. Cavli Inc. 99 South Almaden Blvd., Suite 600, San Jose, CA, USA Contact: +1-650-334-3414 Email: corporate.relations@cavliwireless.com www.cavliwireless.com

Date: 2023/8/23 To:

Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: Cavli Inc. FCC ID: 2BB64C10GS FCC Certification Confidentiality Request Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Cavli Inc. requests that the following documents regarding this submission for FCC ID:

2BB64C10GS be kept Long-Term confidential:

Exhibit Type Block Diagram Schematics Operational Description Operational Description.pdf Part list Tune-Up-Procedure File Name Block Diagram.pdf Schematics.pdf BOM.pdf Tune up procedure.pdf Those documents contain detailed system and equipment description and related information about the product which Cavli Inc. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Cavli Inc. considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Thank you for your attention to this matter. Yours Sincerely, Print name: Tarun Thomas George Title: COO Cavli Inc. Cavli Inc. 99 South Almaden Blvd., Suite 600, San Jose, CA, USA Contact: +1-650-334-3414 Email: corporate.relations@cavliwireless.com www.cavliwireless.com

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:2023/8/23 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BB64C10GS Cavli Inc. certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/8/23 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BB64C10GS Cavli Inc. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment.

Reference No.2023U0142 Cavli Inc. 99 South Almaden Blvd., Suite 600, San Jose, California, 95113 Date: September 4, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BB64C10GS FRN: 0034033837 US Agent Attestation Statement / Part 2.911(d)(7) Cavli Inc. certifies, that as of September 4, 2023, we have designated UA INTERNATIONAL INC., LLC to accept service of process on our behalf for FCC ID: 2BB64C10GS. Cavlilnc., accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. UA INTERNATIONAL INC., accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Cavli Inc. for FCC ID: 2BB64C10GS. Designated Agent Information:

Company Name: UA INTERNATIONAL INC. Address: 5030 Boardwalk Dr, Suite 818, Colorado Springs, CO 80919, United States FRN: 0033510736 Contact Person: Jessica Zhong Phone: (719) 678-7182 Email: UA.customerservice@hotmail.com Sincerely, Company: Designated Agent-

Cavli Inc. ; UA INTERNASIONID ANG. Company Representative: Designated Agent Reprsantative:

Tarun Thomas George Jessica Zhong Signature: Signature Z ~

Vasu Thomas George I

Modular Approval Request FCC (KDB 996369 D01 & Part 15.212) FCC ID: __FCC ID: 2BB64C10GS______ Items to be covered by Single modular transmitters. 1. The modular transmitter must have its own RF shielding. 2. 3. 4. 5. 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. The modular transmitter must have its own power supply regulation. 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). 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. 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). 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 timing authorization. For example, 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. there are very strict operational and 8. 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. Answer from applicant Yes, please see exhibition external photos Yes, The modular has buffer modulation /data inputs Yes, please see the schem.pdf Yes, The requirements of antenna connector and spurious emission have been fulfilled. Please refer to the test report exhibition. Yes, Please refer to the setup photo exhibition for the stand-alone configuration Yes, The Module will be label with its own FCC ID ,and the instruction on the labelling rule of the end product has been stated in the user manual of this module .please refer to the label and user manual exhibition. Yes, The required FCC rule has been fulfilled and all the instruction for maintaining compliance have been clearly stated in the user manual. Yes, Please refer exhibition RF exposure for the compliance of MPE RF exposure rule. 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. Answer from applicant 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: _2023/9/6__