The AD1925-2115D446 from Anatech Electronics is a RF Duplexer with Frequency 1920 to 1930 MHz / 2110 to 2120 MHz, Band 1 1920 to 1930 MHz, Band 2 2110 to 2120 MHz, Power 100 W, Insertion Loss 0.5 to 0.6 dB. Tags: Module with Connectors. More details for AD1925-2115D446 can be seen below.