The FMCR1008 from Fairview Microwave is a RF & Microwave Circulator with Frequency 7 to 12.4 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power 50 W, Insertion Loss 0.6 dB. Tags: Coaxial Circulator. More details for FMCR1008 can be seen below.