The D3C4080YMG from DiTom Microwave is a RF & Microwave Circulator with Frequency 4 to 8 GHz, Average Power Forward 20 W, Peak Power 30 W, Insertion Loss 0.4 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Circulator. More details for D3C4080YMG can be seen below.