The KCI177221 from Konnect RF is a RF & Microwave Circulator with Frequency 1.7 to 2.2 GHz, Average Power 50 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -45 to 75 Degree C. Tags: Coaxial Circulator. More details for KCI177221 can be seen below.