The WVC-1747.5D1842.5-75M02 from Wevercomm is a RF Duplexer with Frequency 1.71 to 1.785 GHz / 1.80 to 1.88 GHz, Band 1 1.71 to 1.785 GHz, Band 2 1.80 to 1.88 GHz, Power 100 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for WVC-1747.5D1842.5-75M02 can be seen below.