The ADRF-2PLX-700F-4310 from Advanced RF Technologies is a RF Duplexer with Frequency 698 to 757 MHz, Power 100 W, Insertion Loss 2.2 to 2.7 dB, Isolation 70 to 80 dB, Operating temperature -10 to 140 Degree F. Tags: Module with Connectors. More details for ADRF-2PLX-700F-4310 can be seen below.