The CC-340-010 from RF & Noise Components is a RF & Microwave Circulator with Frequency 330 to 350 MHz, Average Power Forward 250 W, Insertion Loss 0.4 to 0.5 dB, Isolation 20 to 23 dB, Return Loss 20 to 23 dB. Tags: Coaxial Circulator. More details for CC-340-010 can be seen below.