The CCD07180420G-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 7 to 18 GHz, Bandwidth 1000 MHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-in Circulator. More details for CCD07180420G-XX can be seen below.