The CCD01030520G-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 1.8 to 3.8 GHz, Bandwidth 200 MHz, Average Power Forward 100 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-in Circulator. More details for CCD01030520G-XX can be seen below.