The CB800012000P300S from Smiths Interconnect is a RF & Microwave Circulator with Frequency 8 to 12 GHz, Average Power Forward 80 W, Peak Power 0.3 kW, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for CB800012000P300S can be seen below.