The KCI177237 from Konnect RF is a RF & Microwave Circulator with Frequency 2.7 to 3.1 GHz, Average Power 300 W, Insertion Loss 0.50 dB, Isolation 20 dB, Operating Temperature -20 to 70 Degree C. Tags: Coaxial Circulator. More details for KCI177237 can be seen below.