The HX-T-8000-18000-15-5 from A-Info is a RF & Microwave Circulator with Frequency 8 to 18 GHz, Average Power Forward 5 W, Insertion Loss 1 dB, Isolation 15 dB, Operating Temperature -10 to 65 Degree C. Tags: Coaxial Circulator. More details for HX-T-8000-18000-15-5 can be seen below.