The RFCR8941 from RF-CI is a RF & Microwave Circulator with Frequency 2.7 to 6.2 GHz, Average Power Forward 30 W, Average Power Reverse 50 W, Peak Power 500 W, Insertion Loss 0.6 to 0.8 dB. Tags: Drop-in Circulator. More details for RFCR8941 can be seen below.