| 摘要 |
A dual-band communication module using a single antenna is provided to reduce the size of a main board and give flexibility in designing the main board by installing an integrated communication module on the main board, without the necessity of independently installing two communication modules. A dual-band communication module(200), installed in a dual-band communication terminal which receives two respectively different frequency signals, consists of a frequency switch part(220), the first communication modem part(230), the second communication modem part(240), and a power switch part(250). The frequency switch part(220), receiving a frequency signal from a single antenna and a control signal from a main processor(300), selectively switches either of the communication modem parts(230,240) on. The first and second communication modem parts(230,240) receive signals from the frequency switch part(220). The power switch part(250) selectively supplies power to the first communication modem part(230) or the second communication modem part(240) according to a control signal from the main processor(300).
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