The COCU6U80420G from Cernex Inc is a RF & Microwave Circulator with Frequency 690 to 800 MHz, Average Power Forward 100 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 85 Degree C. Tags: Coaxial Circulator. More details for COCU6U80420G can be seen below.