The CCD01010223G1 from Cernex Inc is a RF & Microwave Circulator with Frequency 1.8 to 1.88 GHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-In, Drop-in Circulator. More details for CCD01010223G1 can be seen below.