Patent ID: 7855984

Claim:
A wireless communication device, comprising: a transceiving module comprising a first transceiver and a second transceiver; an antenna module comprising at least a first antenna configured for transmitting electromagnetic signals; and a switch module configured for switching different connections between the antenna module and the transceiving module, the switch module comprising: a first switch comprising a first terminal, a second terminal, and a third terminal, the first terminal and the second terminal of the first switch being connected to the first transceiver; a second switch comprising a first terminal, a second terminal, and a third terminal, the first terminal and the second terminal of the second switch being connected to the second transceiver; a third switch comprising a first terminal, a second terminal, and a third terminal, the first terminal and the second terminal of the third switch being connected to the third terminal of the first switch and the third terminal of the second switch, respectively; a fourth switch comprising a first terminal, a second terminal, and a third terminal, the first terminal and the second terminal of the fourth switch being connected to the second transceiver; and a first duplexer comprising a first terminal, a second terminal, and a common terminal, the first terminal and the second terminal of the first duplexer being connected to the third terminal of the third switch and the third terminal of the fourth switch, respectively; wherein the common terminal of the first duplexer is connected to the first antenna.