The KCI177871 from Konnect RF is a RF & Microwave Circulator with Frequency 1.71 to 2.69 GHz, Average Power Forward 50 W, Insertion Loss 0.35 to 0.40 dB, Isolation 20 to 21 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for KCI177871 can be seen below.