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WSAL23992 – SIM7600X 4G Module/en

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Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

The SIM7600X (model SIM7600G-H) is a multi-band communication module supporting 2G/3G/4G and GNSS positioning. It features USB and UART interfaces, a nano-SIM slot, and multiple power supply options.

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Technical overview

  • Supports LTE Cat-4 with FDD bands B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66 and TDD bands B34/B38/B39/B40/B41.
  • 3G (UMTS/HSDPA/HSPA+) on bands B1/B2/B4/B5/B6/B8/B19; 2G (GSM/GPRS/EDGE) at 850/900/1800/1900 MHz.
  • 16-channel GNSS receiver supporting GPS, BeiDou, GLONASS, GALILEO, and QZSS; cold start under 35 s, hot start under 1 s.
  • USB Type-C port for PC/Raspberry Pi/Jetson Nano; drivers available for Windows XP/7/8/10/11, Linux requires no driver on Raspbian.
  • UART interface compatible with 3.3 V/5 V MCU levels (STM32/ESP32/Arduino).
  • Power supply via USB port (5 V), VIN pin (5–26 V), or BAT pin (3.7 V lithium battery).
  • Operating temperature -30 °C to 80 °C; storage temperature -45 °C to 90 °C; dimensions 38.8 mm × 42 mm.
  • Three antenna connectors: MAIN (4G main antenna, optional SMA or IPEX), AUX (4G auxiliary antenna, default IPEX), GNSS (positioning antenna, default IPEX).
  • Built-in protection circuits: TVS protection for the SIM card, power isolation between USB port and pin header, and reverse-current protection on the VIN pin.
  • Two LED indicators: PWR (power) and NET (network status).

Commands and examples – verify before use:  

AT
ATE1 / ATE0
AT+CGMI
AT+CGMM
AT+CGSN
AT+CSUB
AT+CGMR
AT+IPREX
AT+CRESET
AT+CSQ
AT+CPIN?
AT+COPS?
AT+CREG?
AT+CPSI?
AT+CNMP?
AT$QCRMCALL=1,1
AT+CGPS=1
AT+CGPSINFO
AT+CGPS=0
AT+CSCA="+8613800755500"

Notes and version constraints

  • The complete AT command set is in the SIM7600X Series AT Command Manual V3.00 – only selected commands are listed here.
  • Firmware updates require administrator privileges and a high-quality USB cable; if they fail, reinstallation of the update tool may be needed.
  • The 'chmod 777 sim7600_4G_hat_init' command assumes the file exists in the current path; otherwise the sample program must be downloaded, extracted, and copied to /home/pi/SIM7600X.
  • In rainy weather, the time to first GNSS fix increases significantly.
  • Network mode selection via AT+CNMP? is version-sensitive; exact values must be confirmed in the AT manual.

Source and revision record

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