The COC18250618G-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 18 to 25 GHz, Bandwidth 1000 MHz, Average Power Forward 10 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for COC18250618G-XX can be seen below.