The HX-T-2040-18-100 from A-Info is a RF & Microwave Circulator with Frequency 2 to 4 GHz, Average Power Forward 100 W, Average Power Reverse 50 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for HX-T-2040-18-100 can be seen below.