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SIM7600G-H-M2 4G Communication Module Windows Tutorial
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SIM7600G-H-M2 4G Communication Module Windows Tutorial

This guide provides a detailed tutorial on setting up the SIM7600G-H-M2 4G Communication Module on Windows. Follow installation steps for drivers, learn about NDIS and PPP dial-up connections, utilize AT commands for troubleshooting, and ensure successful network connectivity.

hardware

sofetware

Installation Diagram

LP Diagram Note: The Sigma board is used here as an example. After installation, simply power on and boot.

Driver Installation

  • Open the device manager and you can see that there are COM ports as shown in the figure below.
    COM ports

  • If the COM port is recognized in the above picture, but an exclamation mark appears, it means that the driver has not been installed, and can be manually loaded as follows:

  • Unzip the driver file --> Double-click the exe driver file with the left mouse button --> Select the installation path --> NEXT --> Wait for the installation to complete --> Restart the computer --> Complete the driver installation.

Driver Install Step1

Driver Install Step2

Driver Install Step3

Driver Install Step4

Driver Install Step5

Driver Install Step6

  • After the update is complete, restart the computer and open Device Manager. If it displays as shown below, the driver installation was successful.
    driver successful

Network Connection

Typically, when connected to a Windows operating system, once both the hardware and software drivers are properly installed, the device will connect to the network automatically. If the device does not connect automatically, please try one of the following two methods to connect manually.

NDIS Dial-up Connection

The Windows NDIS dial-up procedure is as follows:

Open the SIM7600 AT port and send commands (when using SSCOM to send AT commands, make sure to check the "Append CR+LF" option).

NDIS Dial-up

At this point, the NDIS dialing takes effect, and the computer can connect to the network; if the dialing command returns an error, send the following command to set the NDIS dialing mode and then dial again:

command: AT+CUSBPIDSWITCH=9001,1,1

PPP Dial-up Connection

The PPP dial-up procedure is as follows:
Network and Internet Settings -> Set up a new connection -> Connect to the Internet -> Dial up (D) -> Dial a phone number (D): *99# (others are empty by default) -> Connection -> Register -> Connected to the Internet

PPP Dial-up Step1

PPP Dial-up Step2

PPP Dial-up Step3

PPP Dial-up Step4

PPP Dial-up Step5

PPP Dial-up Step6

Common AT Commands and Troubleshooting

Common AT Commands

Command Description Response
AT AT test command OK
ATE ATE1 enables echo; ATE0 disables echo OK
AT+CGMI Query module manufacturer OK
AT+CGMM Query module model OK
AT+CGSN Query product serial number OK
AT+CSUB Query module version and chipset OK
AT+CGMR Query firmware version serial number OK
AT+IPREX Set module hardware serial port baud rate +IPREX: OK
AT+CRESET Reset module OK
AT+CSQ Query network signal quality; returns signal value +CSQ: 17,99 OK
AT+CPIN? Query SIM card status; returns READY if SIM is recognized +CPIN: READY
AT+COPS? Query current operator; returns operator info after successful registration +COPS: OK
AT+CREG? Query network registration status +CREG: OK
AT+CPSI? Query UE system information
AT+CNMP? Network mode selection: 2: Automatic; 13: GSM only; 38: LTE only; 48: Any mode but LTE OK

For more AT commands, please refer to the AT Command Manual.

AT Commands

Common Issues

  1. Unable to Access the Internet

If you cannot access the internet after powering on, and both NDIS dial-up and PPP dial-up fail, please check the following:

AT+CPIN?        ## Query SIM status
AT+CGDCONT?     ## Query carrier/APN settings
AT+CEREG?       ## Query network registration status
AT+CSQ          ## Query signal quality

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