Patent ID: 6845231
Filing Date: 2005-01-18
Classification: H01Q,H04B,H04W

Abstract:
1. A handset supporting difference frequency bands comprising: an antenna transceiving a signal; a diplexer connected to the antenna having a first and a second diplexer output; a first antenna switch, connected to the first diplexer output, having a first and a second output; a first transmitter for a first frequency band connected to the first output of the first antenna switch; a first receiver for the first frequency band connected to the second output of the first antenna switch; a second antenna switch, connected to the second diplexer output, having a first and a second output; a second transmitter for a second frequency band connected to the first output of the second antenna switch; and a triplexer, operative to transceive the first, second, and third frequency bands, connected to the second output of the second antenna switch, having a first output connected to a receiver at the second frequency, a second output connected to a receiver at the third frequency band, and a third output connected to a transmitter of the third frequency band.