The RFCR8936 from RF-CI is a RF & Microwave Circulator with Frequency 9 to 18 GHz, Average Power Forward 10 W, Average Power Reverse 30 W, Peak Power 250 W, Insertion Loss 0.6 to 0.7 dB. Tags: Drop-in Circulator. More details for RFCR8936 can be seen below.