Frequently Asked Question

If the modem dosn't work is the issue often because the COM port used by the modem isn't assigned.

In Windows device manager you can now find a serial interface called e.g."SimTech HS-USB AT Port 9001 (COM5)" Memorize the COM* interface number in your system.

Open a command prompt with admin rights (right click Windows icon in bottom left corner). Copy and paste the command bellow, edit port number to match the one in your system and hit enter. The command will then be sent to module overt the serial interface.

ECHO AT+CUSBPIDSWITCH=9003,1,1 >\\.\COM5