The CKB086089BS from 3Rwave is a RF & Microwave Circulator with Frequency 869 to 894 MHz, Average Power Forward 150 W, Insertion Loss 0.27 to 0.35 dB, Isolation 21 to 24 dB, Return Loss 21 to 24 dB. Tags: Surface Mount Circulator. More details for CKB086089BS can be seen below.