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WSAL17372 – SIM7600G-H 4G HAT/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 SIM7600G-H is a 4G module HAT for Raspberry Pi and Jetson Nano. It supports LTE Cat-4 (up to 150 Mbps downlink, 50 Mbps uplink), 3G/2G fallback, and GNSS positioning (GPS, BeiDou, Glonass). The board provides a SIM card slot (1.8 V / 3 V), a USB-to-UART converter (CP2102), an audio jack for calls, a TF card slot, and two status LEDs. Operating voltage can be set to 3.3 V or 5 V via jumper.

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Technical overview

  • Interfaces: 40-pin GPIO expansion header, UART breakout pins, USB interface, audio output, TF card slot
  • Supported frequency bands: LTE-TDD B38/B39/B40/B41; LTE-FDD B1/B3/B5/B7/B8/B12; 3G UMTS/HSPA+ B1/B5/B8; 2G GSM/GPRS/EDGE 850/900/1800/1900 MHz
  • GNSS reception: GPS, BeiDou, Glonass (no GALILEO/QZSS per spec table)
  • Default baud rate: 115200 bps; autobauding range 9600–115200 bps
  • New version changes (2H 2021): added 330 µF electrolytic capacitor, PWR/Flightmode jumpers, solderable pads for VCCIO and USB, changed power IC to SPX29302, silkscreen renamed from WPI to BCM naming
  • Power on/off: PWR and 3V3 shorted by default → auto power-on when connected to supply; manual control via PWRKEY button or Raspberry Pi D6 pin possible
  • Flight mode: not enabled by default; controllable via jumper between Flight and D4
  • Application areas: medical devices, smart payments, public network intercom, environmental monitoring, fleet management, smart industry, smart agriculture

Commands and examples – verify before use:  

AT+CGPSNMEAPORTCFG=3
AT+CGPSNMEA=197119
AT+CGPSINFOCFG=10,31
AT+CGPSAUTO=1
AT+CRESET

Notes and version constraints

  • The source does not provide a complete AT command list; only the commands listed above are explicitly mentioned.
  • No information on price, stock, certifications, or warranty is present in the source – such values must not be invented.
  • Compatibility with boards other than Raspberry Pi 4B and Jetson Nano is not confirmed in the source.
  • The new version (from 2H 2021) introduces hardware changes; older stock may have different pin layouts.
  • MMS is explicitly stated as unsupported in the FAQ.
  • The reset pin was intentionally not brought out because it can only reset a limited set of functions.

Source and revision record

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