MFJ-918
1:1 Current Balun 1.5 kW 1.8-30 Mhz
1:1 current balun, 1500 W applicable. Operating frequency from 1.8 to 30 MHz. Eliminates common mode currents caused by coaxial feedline imbalance on symmetrical antennas. This eliminates all RF feedback problems to the station via coaxial cable.