The AD5745-5825D231 from Anatech Electronics is a RF Duplexer with Frequency 5.735 to 5.755 GHz / 5.815 to 5.835 GHz, Band 1 5.735 to 5.755 GHz, Band 2 5.815 to 5.835 GHz, Insertion Loss 2 dB, Isolation 65 dB. Tags: Module with Connectors. More details for AD5745-5825D231 can be seen below.