The RC1319CS-090102 from ZTS Technologies is a RF & Microwave Circulator with Frequency 9 to 10.2 GHz, Average Power Forward 30 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -10 to 60 Degree C. Tags: Module with Connectors, Coaxial Circulator. More details for RC1319CS-090102 can be seen below.