The RC2528CS-027062 from ZTS Technologies is a RF & Microwave Circulator with Frequency 2.7 to 6.2 GHz, Average Power Forward 100 W, Insertion Loss 0.8 dB, Isolation 16 dB, Operating Temperature -10 to 60 Degree C. Tags: Module with Connectors, Coaxial Circulator. More details for RC2528CS-027062 can be seen below.