The HD32955 from HD Communications Corp is a RF & Microwave Circulator with Frequency 0.698 to 0.96 GHz, Average Power 600 to 1000 W, Insertion Loss 0.4 dB, Isolation 18 dB, Operating Temperature -30 to 85 Degree C. Tags: Coaxial Circulator. More details for HD32955 can be seen below.