The HX-T-120180-20-10 from A-Info is a RF & Microwave Circulator with Frequency 12 to 18 GHz, Bandwidth 1000 MHz, Average Power Forward 10 W, Average Power Reverse 5 W, Insertion Loss 0.4 dB. Tags: Coaxial Circulator. More details for HX-T-120180-20-10 can be seen below.