The AE1927-2117DB5422 from Anatech Electronics is a RF Duplexer with Frequency 1.92 to 1.935 GHz / 2.11 to 2.125 GHz, Band 1 1.92 to 1.935 GHz, Band 2 2.11 to 2.125 GHz, Power 25 W, Insertion Loss 0.7 dB. Tags: Module with Connectors. More details for AE1927-2117DB5422 can be seen below.