The AD4300-4800D369 from Anatech Electronics is a RF Duplexer with Frequency 4.1 to 4.5 GHz / 4.6 to 5 GHz, Band 1 4.1 to 4.5 GHz, Band 2 4.6 to 5 GHz, Power 1 W, Insertion Loss 2 dB. Tags: Module with Connectors. More details for AD4300-4800D369 can be seen below.