The KCI177511 from Konnect RF is a RF & Microwave Circulator with Frequency 0.6 to 0.7 GHz, Average Power 300 W, Peak Power 2 kW, Insertion Loss 0.30 to 0.40 dB, Isolation 20 to 23 dB. Tags: Coaxial Circulator. More details for KCI177511 can be seen below.