The HX-T-700-1000-15-25 from A-Info is a RF & Microwave Circulator with Frequency 700 MHz to 1 GHz, Average Power Forward 25 W, Insertion Loss 0.8 dB, Isolation 15 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for HX-T-700-1000-15-25 can be seen below.