The DSC2731 from DiTom Microwave is a RF & Microwave Circulator with Frequency 27 to 31 GHz, Average Power Forward 5 W, Peak Power 30 W, Insertion Loss 0.6 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Circulator. More details for DSC2731 can be seen below.