The FMCR1012 from Fairview Microwave is a RF & Microwave Circulator with Frequency 18 to 26.5 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power 60 W, Insertion Loss 0.6 dB. Tags: Coaxial Circulator. More details for FMCR1012 can be seen below.