The HD32999 from HD Communications Corp is a RF & Microwave Circulator with Frequency 0.99 to 1.13 GHz, Average Power 60 W, Insertion Loss 0.8 dB, Isolation 40 dB, Operating Temperature -30 to 70 Degree C. Tags: TAB, Drop-in Circulator. More details for HD32999 can be seen below.