The CHA192217AB from 3Rwave is a RF & Microwave Circulator with Frequency 1.92 to 2.17 GHz, Average Power Forward 250 W, Insertion Loss 0.25 to 0.30 dB, Isolation 21 to 24 dB, Return Loss 21 to 24 dB. Tags: Drop-in Circulator. More details for CHA192217AB can be seen below.