The CC-2135-066 from RF & Noise Components is a RF & Microwave Circulator with Frequency 2.07 to 2.2 GHz, Average Power Forward 250 W, Insertion Loss 0.2 to 0.25 dB, Isolation 23 to 26 dB, Return Loss 23 to 26 dB. Tags: Coaxial Circulator. More details for CC-2135-066 can be seen below.