The KCI177504 from Konnect RF is a RF & Microwave Circulator with Frequency 8.9 to 10.7 GHz, Average Power Forward 10 W, Insertion Loss 0.4 to 0.5 dB, Isolation 18 to 20 dB, Operating Temperature -20 to 80 Degree C. Tags: Drop-in Circulator, Microstrip Circulator. More details for KCI177504 can be seen below.