The C-8S83U-10 from Teledyne Microwave Solutions is a RF & Microwave Circulator with Frequency 8.0 to 20.0 GHz, Average Power Forward 50 W, Peak Power 1000 W, Insertion Loss 1.1 dB, Isolation 14 dB. Tags: Coaxial Circulator. More details for C-8S83U-10 can be seen below.