The CCDU7010323S-XX from Cernex Inc is a RF & Microwave Circulator with Frequency 700 MHz to 1 GHz, Bandwidth 70 MHz, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -40 to 70 Degree C. Tags: Drop-In, Drop-in Circulator. More details for CCDU7010323S-XX can be seen below.