The CHA193199AB from 3Rwave is a RF & Microwave Circulator with Frequency 1.93 to 1.99 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 CHA193199AB can be seen below.