The CKB075080BS from 3Rwave is a RF & Microwave Circulator with Frequency 758 to 803 MHz, Average Power Forward 10 W, Insertion Loss 0.45 to 0.6 dB, Isolation 18 to 22 dB, Return Loss 18 to 22 dB. Tags: Surface Mount Circulator. More details for CKB075080BS can be seen below.