The COC11120423G from Cernex Inc is a RF & Microwave Circulator with Frequency 11 to 12 GHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Coaxial Circulator. More details for COC11120423G can be seen below.