The CMA570590AH from 3Rwave is a RF & Microwave Circulator with Frequency 5.7 to 5.9 GHz, Average Power Forward 50 W, Insertion Loss 0.35 to 0.4 dB, Isolation 20 to 22 dB, Return Loss 20 to 22 dB. Tags: Drop-in Circulator. More details for CMA570590AH can be seen below.