The RFCR2922 from RF-CI is a RF & Microwave Circulator with Frequency 1 to 11.7 GHz, Average Power Forward 15 W, Average Power Reverse 25 W, Peak Power 500 W, Insertion Loss 0.35 to 0.4 dB. Tags: Drop-in Circulator. More details for RFCR2922 can be seen below.