The AD2000-2180D300 from Anatech Electronics is a RF Duplexer with Frequency 1985 to 2015 MHz / 2170 to 2200 MHz, Band 1 1985 to 2015 MHz, Band 2 2170 to 2200 MHz, Power 10 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AD2000-2180D300 can be seen below.