Template: SIM7600G-H M2 Guide

Notices

• DO NOT plug the module while powering.
• The supply voltage should be about 4.0V for properly working.
• Please check the interface before you use the module. M.2 B Key is not compatible with MINI-PCIE.

Indicators

STA	NET	Status
ON	OFF	Turning off or turning on
ON	OFF	Operating
ON	ON	SIM card isn't inserted or weak signal
ON	Blink	Networking, working normal
OFF	Blink/ON	Shutdowning

Please make sure that you have connected and powered the module normally before you configure it.

Set up 4G in Raspberry Pi

• Open a terminal and run the following commands to install minicom.

sudo apt-get install minicom

• Open the minicom:

sudo minicom -D /dev/ttyUSB2

• Configure the module by the following command in minicom.

AT+CUSBPIDSWITCH=9011,1,1

• Configure the port and networking.

sudo dhclient -v usb0

• RNDIS Dial-up Internet Access.
• If you set up the module successfully, however, it cannot be networking normally, please try to change the frequency by the AT command (just choose one of them).

AT+CNBP=0x0002000000400183,0x000001E000000000,0x0000000000000021
AT+CNBP=0x0002000000400180,0x480000000000000000000000000000000000000000000042000001E200000095,0x0000000000000021

AT commands

If the module cannot connect to the network normally, please use minicom and AT commands to check the module.

sudo apt-get install minicom
sudo minicom -D /dev/ttyUSB2

Common AT commands

The following commands are working for both 4G/5G modules

Comamnd	Description	Return
AT	AT test command	OK
ATE	ATE1 to enable echo ATE0 to disable echo	OK
AT+CGMI	Check module manufacturer	OK
AT+CGMM	Check module type	OK
AT+CGSN	Check SN of module	OK
AT+CSUB	Check module version and the chip	OK
AT+CGMR	Check firmware version	OK
AT+IPREX	Set serial baud rate of module	+IPREX: OK
AT+CRESET	Reset module	OK
AT+CSQ	Check signal quality	+CSQ: 17,99 OK
AT+CPIN?	Check SIM card status, READY for normal	+CPIN: READY
AT+COPS?	Check the current network supplier, it returns supplier information if the network is normal	+COPS: OK
AT+CREG?	Check network status	+CREG: OK
AT+CPSI?	Check UE system information
AT+CNMP	Select network mode： 2：Automatic 13：GSM only 38：LTE only 48 ： Any modes but LTE ... ....	OK

For more information about the AT commands, please refer to the AT command manual
For more documents, please refer to SIMCom website
For more examples, please refer to the related HAT devices of Waveshare.