The CCDU9U90323G from Cernex Inc is a RF & Microwave Circulator with Frequency 930 to 960 MHz, Average Power Forward 150 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 CCDU9U90323G can be seen below.