The RFCR6966 from RF-CI is a RF & Microwave Circulator with Frequency 11.5 to 15 GHz, Average Power Forward 25 W, Average Power Reverse 25 W, Peak Power 250 W, Insertion Loss 0.40 to 0.50 dB. Tags: Coaxial Circulator. More details for RFCR6966 can be seen below.