The HSC8012 from HASCO Components is a RF & Microwave Circulator with Frequency 8 to 12.40 GHz, Average Power Forward 15 W, Average Power Reverse 15 W, Peak Power 500 W, Insertion Loss 0.35 to 0.40 dB. Tags: Coaxial Circulator. More details for HSC8012 can be seen below.