The CTC082089WD from 3Rwave is a RF & Microwave Circulator with Frequency 820 to 890 MHz, Average Power Forward 1500 W, Insertion Loss 0.3 to 0.35 dB, Isolation 21 to 23 dB, Return Loss 21 to 23 dB. Tags: Drop-in Circulator. More details for CTC082089WD can be seen below.