The HNC0110 from Star Microwave is a RF & Microwave Circulator with Frequency 900 MHz to 1.215 GHz, Average Power Forward 200 W, Insertion Loss 0.35 dB, Isolation 20 dB, Operating Temperature -20 to 85 Degree C. Tags: Coaxial Circulator. More details for HNC0110 can be seen below.