The CCDU8U80323G1 from Cernex Inc is a RF & Microwave Circulator with Frequency 860 to 890 MHz, Average Power Forward 50 W, Insertion Loss 0.35 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-In, Drop-in Circulator. More details for CCDU8U80323G1 can be seen below.