The JFCD0412T0424NF from JQL Electronics is a RF Duplexer with Frequency 412 to 424 MHz, Band 1 412 to 414 MHz, Band 2 422 to 424 MHz, Power 200 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for JFCD0412T0424NF can be seen below.