The AE1625-1900DB5424 from Anatech Electronics is a RF Duplexer with Frequency 1.53 to 1.72 GHz / 1.805 to 1.995 GHz, Band 1 1.53 to 1.72 GHz, Band 2 1.805 to 1.995 GHz, Power 30 W, Insertion Loss 2 to 5 dB. Tags: Module with Connectors. More details for AE1625-1900DB5424 can be seen below.