The AE1925-2237DB5386 from Anatech Electronics is a RF Duplexer with Frequency 1.75 to 2.1 GHz / 2.2 to 2.275 GHz, Band 1 1.75 to 2.1 GHz, Band 2 2.2 to 2.275 GHz, Power 25 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for AE1925-2237DB5386 can be seen below.