The C-13S63U-10 from Teledyne Microwave Solutions is a RF & Microwave Circulator with Frequency 13.0 to 26.5 GHz, Average Power Forward 50 W, Peak Power 1000 W, Insertion Loss 0.8 dB, Isolation 16 dB. Tags: Coaxial Circulator. More details for C-13S63U-10 can be seen below.