Patent ID: 8229366

Claim:
A mobile station for use in a wireless communication system, the mobile station comprising a duplexer including a receive path and a transmit path: the receive path comprising: a tunable receive band reject filter adapted to receive signals from an antenna and a tunable receive band pass filter adapted to receive filtered signals from the receive band reject filter and; the transmit path comprising: a tunable transmit band reject filter is adapted to provide signals to the antenna and a tunable transmit band pass filter adapted to provide filtered signals to the transmit band reject filter; wherein at least one filter in the receive path is tunable to a first frequency and at least one other filter in the receive path is tunable to a second, different frequency upon receipt of one or more frequencies of a different channel assigned to the mobile station and at least one filter in the transmit path is tunable to the first frequency and at least one other filter in the transmit path is tunable to the second, different frequency upon receipt of the one or more frequencies of the different channel assigned to the mobile station.