The CC-882-052 from RF & Noise Components is a RF & Microwave Circulator with Frequency 869 to 894 MHz, 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-882-052 can be seen below.