The KCI177538 from Konnect RF is a RF & Microwave Circulator with Frequency 1 to 3 GHz, Average Power 1 W, Insertion Loss 1.1 to 1.3 dB, Isolation 13 to 14, Operating Temperature 0 to 60 Degree C. Tags: Coaxial Circulator. More details for KCI177538 can be seen below.