The CFDM-3425352510 from Filtronetics is a RF Duplexer with Frequency 3400.5 to 3550.5 MHz, Band 1 3400.5 to 3450.5 MHz, Band 2 3500.5 to 3550.5 MHz, Power 3 W, Insertion Loss 3 dB. Tags: Surface Mount. More details for CFDM-3425352510 can be seen below.