gateway rak831 GSM

  • Hello,
    I want to connect my rak831 gateway with an A900 GSM modem but the Raspberry's serial port is occupied by the GPS. Is it possible to connect the gateway via modem by disabling the GPS? thank you

  • hi:
    You can remove two 0 Ω resisters (TXRX/RXTX) just beside the gps antenna SMA to free the uart port.

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