The CKB075082BS from 3Rwave is a RF & Microwave Circulator with Frequency 758 to 821 MHz, Average Power Forward 10 W, Insertion Loss 0.45 to 0.6 dB, Isolation 17 to 20 dB, Return Loss 17 to 20 dB. Tags: Surface Mount Circulator. More details for CKB075082BS can be seen below.