The CC-2100-400 from RF & Noise Components is a RF & Microwave Circulator with Frequency 2 to 2.2 GHz, Average Power Forward 250 W, Insertion Loss 0.25 to 0.3 dB, Isolation 20 to 23 dB, Return Loss 20 to 23 dB. Tags: Coaxial Circulator. More details for CC-2100-400 can be seen below.