The WVC-900D2050-200M01 from Wevercomm is a RF Duplexer with Frequency 800 MHz to 1 GHz / 1.93 to 2.17 GHz, Band 1 800 MHz to 1 GHz, Band 2 1.93 to 2.17 GHz, Power 25 W, Insertion Loss 0.7 dB. Tags: Module with Connectors. More details for WVC-900D2050-200M01 can be seen below.