The RC1319CS-070090 from ZTS Technologies is a RF & Microwave Circulator with Frequency 7 to 9 GHz, Average Power Forward 30 W, Insertion Loss 0.5 dB, Isolation 18 dB, Operating Temperature -10 to 60 Degree C. Tags: Module with Connectors, Coaxial Circulator. More details for RC1319CS-070090 can be seen below.