摘要 |
An electronic device having a plurality of antennas and a plurality of communication modules with a communication function for sending and receiving data by simultaneously using the antennas comprises an antenna selecting switch for selecting a connection of the antennas to the communication modules and a judging circuit for controlling the antenna selecting switch by determining whether or not to connect the antennas to the communication module in operation with reference to an LED output signal outputted from each communication module to turn on or off an LED for an external indication of the operating state.
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