The JC2C0470T0512N20 from JQL Electronics is a RF & Microwave Circulator with Frequency 470 to 512 MHz, Average Power Forward 200 W, Insertion Loss 0.5 dB, Isolation 50 dB, Operating Temperature -30 to 60 Degree C. Tags: Coaxial Circulator. More details for JC2C0470T0512N20 can be seen below.