The CCD03060420G-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 3.5 to 6.5 GHz, Bandwidth 600 MHz, Average Power Forward 20 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-in Circulator. More details for CCD03060420G-XX can be seen below.