The AD827-872D361 from Anatech Electronics is a RF Duplexer with Frequency 806 to 849 MHz / 851 to 894 MHz, Band 1 806 to 849 MHz, Band 2 851 to 894 MHz, Power 30 W, Insertion Loss 2 dB. Tags: Module with Connectors. More details for AD827-872D361 can be seen below.