The CT-4291-O from UTE Microwave is a RF & Microwave Circulator with Frequency 5.40 to 5.90 GHz, Average Power Forward 100 W, Peak Power 1000 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for CT-4291-O can be seen below.