The AD1950-2140D390 from Anatech Electronics is a RF Duplexer with Frequency 1920 to 1980 MHz / 2110 to 2170 MHz, Band 1 1920 to 1980 MHz, Band 2 2110 to 2170 MHz, Power 16 W, Insertion Loss 0.7 to 1 dB. Tags: Module with Connectors. More details for AD1950-2140D390 can be seen below.