MFJ-918WM
1:1 Current Balun 1.5 kW 1.8-30 Mhz Wall Mount
1:1 current balun, 1500 W applicable. Operating frequency from 1.8 to 30 MHz. Eliminates common-mode currents caused by unbalanced coaxial feed on balanced antennas. Therefore, it eliminates all RF feedback problems to the station via coaxial cable. Wall mount