The WVC-1732.5D2132.5-45M04 from Wevercomm is a RF Duplexer with Frequency 1.71 to 1.75 GHz / 2.11 to 2.15 GHz, Band 1 1.71 to 1.75 GHz, Band 2 2.11 to 2.15 GHz, Power 3 to 20 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for WVC-1732.5D2132.5-45M04 can be seen below.