The RC1523CS-058072 from ZTS Technologies is a RF & Microwave Circulator with Frequency 5.8 to 7.2 GHz, Average Power Forward 60 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 RC1523CS-058072 can be seen below.