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Home/ Questions/Q 8234507
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Editorial Team
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Editorial Team
Asked: June 7, 20262026-06-07T18:30:12+00:00 2026-06-07T18:30:12+00:00

My JAVA program can find a modem connected with serial port. Like: COM1: Serial

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My JAVA program can find a modem connected with serial port. Like:

COM1: Serial
COM3: Serial  // This is my modem
LPT1: Parallel
LPT2: Parallel

Is there any AT Command or other process which can help me to find out the operators identity (name), who’s SIM is being used in the modem?

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  1. Editorial Team
    Editorial Team
    2026-06-07T18:30:14+00:00Added an answer on June 7, 2026 at 6:30 pm

    The command for finding out which network you are registered on is

    AT+COPS?
    

    On mine, that outputs

    +COPS: 0,0,"giffgaff",2
    

    Where the string in the quotes is the operator’s name.

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