The JIC0850T0870SFSM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 850 to 870 MHz, Average Power Forward 5 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -20 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for JIC0850T0870SFSM0 can be seen below.