The CC-1843-064 from RF & Noise Components is a RF & Microwave Circulator with Frequency 1.805 to 1.88 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-1843-064 can be seen below.