The C-3S63U-10 from Teledyne Microwave Solutions is a RF & Microwave Circulator with Frequency 3.0 to 6.0 GHz, Average Power Forward 50 W, Peak Power 1000 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Coaxial Circulator. More details for C-3S63U-10 can be seen below.