The D3C2327S from DiTom Microwave is a RF & Microwave Circulator with Frequency 2.3 to 2.7 GHz, Average Power Forward 150 W, Peak Power 350 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for D3C2327S can be seen below.