MFJ-911H,BALUN/UNBAL, SWITCHABLE, 1:1 OR 4:1, 10-160M, 300W
Switchable, true 1:1 or 4:1 current balun/unun. Transmission line transformer using low-permeability ferrite cores gives amazingly flat response 1.8 to 30 MHz. Easily handles 300 Watts. Transforms 200 or 50 Ohm balanced or unbalanced loads to 50 Ohms.