The CMM360380AA from 3Rwave is a RF & Microwave Circulator with Frequency 3.6 to 3.8 GHz, Average Power Forward 100 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 CMM360380AA can be seen below.