The CC 8.1 M from TKI-Ferrit is a RF & Microwave Circulator with Frequency 7.75 to 8.5 GHz, Average Power Forward 30 W, Average Power Reverse 30 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Circulator. More details for CC 8.1 M can be seen below.