The HNC0130 from Star Microwave is a RF & Microwave Circulator with Frequency 1.2 to 1.4 GHz, Average Power Forward 200 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -20 to 85 Degree C. Tags: Coaxial Circulator. More details for HNC0130 can be seen below.