MFJ-915, RF ISOLATOR, 1.8-30MHZ, 1500W PEP

The MFJ-915 RF Isolator is a 1:1 Current Balun designed to be placed in line with a 50-Ohm coax. The RF Isolator is effective from 1.8 to 30 MHz. It was designed to improve the performance of all amateur stations, fixed or mobile.  MFJ-915 will...

MFJ-913, 4:1 CURRENT BALUN, 10-160, METERS, 300W

The MFJ-913 is a 300 Watt true current balun/antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160-10 Meter response...

MFJ-911H, BALUN/UNBALANCED, 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...