The CHM360380AB from 3Rwave is a RF & Microwave Circulator with Frequency 3.6 to 3.8 GHz, Average Power Forward 200 W, Insertion Loss 0.2 to 0.25 dB, Isolation 22 to 26 dB, Return Loss 22 to 26 dB. Tags: Drop-in Circulator. More details for CHM360380AB can be seen below.