The ADRF-2PLX-850-4310 from Advanced RF Technologies is a RF Duplexer with Frequency 824 to 894 MHz, Power 100 W, Insertion Loss 1.5 dB, Isolation 70 dB, Operating temperature -10 to 140 Degree F. Tags: Module with Connectors. More details for ADRF-2PLX-850-4310 can be seen below.