The WVC-4475D4975-250M01 from Wevercomm is a RF Duplexer with Frequency 4.35 to 4.60 GHz / 4.8 to 5.15 GHz, Band 1 4.35 to 4.60 GHz, Band 2 4.8 to 5.15 GHz, Power 40 W, Insertion Loss 0.7 to 0.9 dB. Tags: Module with Connectors. More details for WVC-4475D4975-250M01 can be seen below.