The WVC-1730D1825-40M01 from Wevercomm is a RF Duplexer with Frequency 1.71 to 1.75 GHz / 1.80 to 1.84 GHz, Band 1 1.71 to 1.75 GHz, Band 2 1.80 to 1.84 GHz, Power 50 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for WVC-1730D1825-40M01 can be seen below.