Patent ID: 9419674
Filing Date: 2016-08-16
CPC Classification: H04B

Claim Text:
1. An apparatus comprising: a first filter having a first bandpass frequency range and operable as a first transmit (TX) filter for a first band and as a first receive (RX) filter for a second band, the first filter configured to receive an output radio frequency (RF) signal and to filter the output RF signal according to the first bandpass frequency range while operating as the first TX filter and to receive a received RF signal and to filter the received RF signal according to the first bandpass frequency range while operating as the first RX filter; a switch coupled to the first filter and configured to receive and pass the output RF signal to the first filter while the first filter operates as the first TX filter and to receive and pass the received RF signal from the first filter while the first filter operates as the first RX filter; a second filter having a second bandpass frequency range and operable as a second TX filter for the second band and as a third TX filter for a third band, the second filter configured to receive a second output RF signal and to filter the second output RF signal according to the second bandpass frequency range while operating as the second TX filter and to receive a third output RF signal and to filter the third output RF signal according to the second bandpass frequency range while operating as the third TX filter; and a switchplexer coupled to the first filter and to the second filter.