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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.<br />
<br />
== Summary ==<br />
The Waveshare SIM7600G-H M.2 4G HAT is a Raspberry Pi add-on board that provides 4G/3G/2G connectivity via an M.2 socket and USB 3.1 (USB 2.0 compatible). It supports telephony, SMS, TCP/IP data, and GNSS positioning (GPS, Beidou, Glonass, Galileo, QZSS). A DIP switch enables the UART, PWR, and RST control pins; a USB-C port serves as external power input.<br />
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== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL21707 WSAL21707 – SIM7600G-H M.2 4G HAT for Raspberry Pi, LTE CAT4 High Speed, 4G/3G/2G, GNSS, Global Band]<br />
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== Technical overview ==<br />
* Supports dial-up, phone calls, SMS, TCP, UDP, MQTT, HTTP(S), and FTP(S) data communication.<br />
* GNSS positioning via GPS, Beidou, Glonass, Galileo, and QZSS; LBS base stations are also supported.<br />
* USB 3.1 port (USB 2.0 compatible) for connecting to a PC, Raspberry Pi, or Jetson Nano host board for high-speed 4G communication.<br />
* A DIP switch enables the on-board UART, PWR, and RST control pins for use with hosts such as Raspberry Pi or Arduino.<br />
* USB-C input (5 V / up to 3 A) provides stable external power for the module.<br />
* Power on/off switch and LED indicator for turning the module on/off and monitoring its operating status.<br />
* Four SMA-to-IPEX antenna connectors (two pre-soldered) allow flexible antenna placement.<br />
* On-board audio jack and audio decoder support phone calls (only with compatible modules, e.g., SIM82XX series; not supported by RM50XX series).<br />
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'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
AT<br />
ATE1<br />
ATE0<br />
AT+CGMI<br />
AT+CGMM<br />
AT+CGSN<br />
AT+CSUB<br />
AT+CGMR<br />
AT+IPREX<br />
AT+CRESET<br />
AT+CSQ<br />
AT+CPIN?<br />
AT+COPS?<br />
AT+CREG?<br />
AT+CPSI?<br />
AT+CNMP<br />
AT$QCRMCALL=1,1<br />
AT+CUSBPIDSWITCH=9001,1,1<br />
AT+CUSBPIDSWITCH=9011,1,1<br />
</syntaxhighlight><br />
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== Notes and version constraints ==<br />
* Exact compatibility with other 4G/5G M.2 modules must be verified against the pinout; not all features are available for every module.<br />
* Certain AT commands and modes are module-dependent – consult the compatibility list in the source before use.<br />
* GNSS reception requires an external antenna and clear sky view; no signal can be received under rain or indoors.<br />
* When using RNDIS dial-up on Windows, the driver may need to be installed manually; without the correct driver, no device will be detected.<br />
* Dual-SIM functionality requires a module that supports dual SIM; SIM2 is on the back and is switched via AT command.<br />
* For troubleshooting 'chmod 777 sim7600_4G_hat_init': ensure the file exists in the current path; otherwise copy the program folder correctly into /home/pi.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/SIM7600G-H-M2_4G_HAT SIM7600G-H-M2 4G HAT - Waveshare Wiki]<br />
* Source revision: 110186<br />
* Captured: 2026-09-03T03:21:24+00:00<br />
* SHA-256: <code>0a1d917aae17202113a14b823e0de33cb8fcf7c3a08b4caa5398224c7d91af9c</code></div>JWTechPublisher