The AD4400-5000D234 from Anatech Electronics is a RF Duplexer with Frequency 4.3 to 4.5 GHz / 4.9 to 5.1 GHz, Band 1 4.3 to 4.5 GHz, Band 2 4.9 to 5.1 GHz, Power 10 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for AD4400-5000D234 can be seen below.