The CC-425-015 from RF & Noise Components is a RF & Microwave Circulator with Frequency 415 to 435 MHz, Average Power Forward 250 W, Insertion Loss 0.3 to 0.4 dB, Isolation 20 to 23 dB, Return Loss 20 to 23 dB. Tags: Coaxial Circulator. More details for CC-425-015 can be seen below.