摘要 |
A communication device controller comprising: a signal receive/send unit with a SIM socket used for mobile communication system; a signal process unit connected to a plurality of phone lines and said signal receive/send unit; and a power supply unit providing stable power for said signal receive/send unit and said signal process unit; whereby said communication device controller been settled in the field where electrical signal is more stronger and using telephones to send/receive cellular phone could achieve the functions of using cellular phones instead of telephones in the field where hard to set up wires of telephones and amplifying a plurality of extensive phones indoor.
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