The WDCGV8+8-1850-1910/1930-1990-50-1 from Wainwright Instruments is a RF Duplexer with Frequency 1.85 to 1.91 GHz / 1.93 to 1.99 GHz, Band 1 1.85 to 1.91 GHz, Band 2 1.93 to 1.99 GHz, Power 100 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for WDCGV8+8-1850-1910/1930-1990-50-1 can be seen below.