The AD2072-2250D452 from Anatech Electronics is a RF Duplexer with Frequency 2062 to 2082 MHz / 2240 to 2260 MHz, Band 1 2062 to 2082 MHz, Band 2 2240 to 2260 MHz, Power 10 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AD2072-2250D452 can be seen below.