The HX-T-650-900-20-20 from A-Info is a RF & Microwave Circulator with Frequency 650 to 900 MHz, Average Power Forward 20 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature 0 to 60 Degree C. Tags: Coaxial Circulator. More details for HX-T-650-900-20-20 can be seen below.