The C4860/S*A from Smiths Interconnect is a RF & Microwave Circulator with Frequency 4.8 to 6 GHz, Average Power Forward 65 W, Peak Power 500 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for C4860/S*A can be seen below.