The CFD-1546165010 from Filtronetics is a RF Duplexer with Frequency 1518 to 1675 MHz, Band 1 1518 to 1575.5 MHz, Band 2 1626 to 1675 MHz, Power 5 W, Insertion Loss 1.2 to 1.6 dB. Tags: Surface Mount. More details for CFD-1546165010 can be seen below.