The COC02030420G-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 2 to 3.5 GHz, Bandwidth 400 MHz, Average Power Forward 20 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for COC02030420G-XX can be seen below.