The JC2C0850T0869N20 from JQL Electronics is a RF & Microwave Circulator with Frequency 850 to 869 MHz, Average Power Forward 200 W, Insertion Loss 0.5 dB, Isolation 60 dB, Operating Temperature -30 to 71 Degree C. Tags: Coaxial Circulator. More details for JC2C0850T0869N20 can be seen below.