The D3C9211 from DiTom Microwave is a RF & Microwave Circulator with Frequency 9.2 to 10.5 GHz, Average Power Forward 10 W, Peak Power 50 W, Insertion Loss 0.2 dB, Isolation 23 dB. Tags: Coaxial Circulator. More details for D3C9211 can be seen below.