The RFCR8902 from RF-CI is a RF & Microwave Circulator with Frequency 3 to 6 GHz, Average Power Forward 30 W, Average Power Reverse 50 W, Peak Power 500 W, Insertion Loss 0.5 to 0.7 dB. Tags: Drop-in Circulator. More details for RFCR8902 can be seen below.