The JFCD0380T0410NF-B from JQL Electronics is a RF Duplexer with Frequency 380 to 410 MHz, Band 1 406 to 410 MHz, Band 2 380 to 395 MHz, Power 50 W, Insertion Loss 1 to 1.5 dB. Tags: Module with Connectors. More details for JFCD0380T0410NF-B can be seen below.