The CMA440585AH from 3Rwave is a RF & Microwave Circulator with Frequency 4.4 to 5.85 GHz, Average Power Forward 50 W, Insertion Loss 0.4 to 0.6 dB, Isolation 18 to 20 dB, Return Loss 18 to 20 dB. Tags: Drop-in Circulator. More details for CMA440585AH can be seen below.