The JFCD2500T2690DF from JQL Electronics is a RF Duplexer with Frequency 2.5 to 2.69 GHz, Band 1 2.5 to 2.57 GHz, Band 2 2.62 to 2.69 GHz, Power 50 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for JFCD2500T2690DF can be seen below.