Multiband Verticals & Longwires

22/25 ohms unbalanced to 50 Ohms unbalanced Unlike Baluns, Unun's (unbalanced to unbalanced) provide impedance transformation for antennas that are naturally unbalanced because of their design configuration. Even though the unun's appear small...

Designed for use with end fed wire antennas and multiband verticals,  this unun is small, compact and perfect for quick portable/emergency installations. This 4:1 Unun (200-50 ohms) will easily handle 300 watts and covers 1.5 - 54 MHz. Using...

This is the single core version of our popular 4:1 unun model 4134 designed for use with wire verticals, random length long wires and multiband verticals. Wound on a single core for reduced power applications, this unun delivers efficient broadband...

Heavy duty 5kW, 4:1 unun designed for use with wire verticals, long wires and multiband monopole verticals. Utilizes stacked cores to deliver efficient broadband performance and high power rating across all HF frequencies. Works well with both internal...

Our new design is perfect for matching both long and short length wire antennas for multiband use.  When used with the stated lengths shown in the table below, the 9:1 ratio will allow the internal tuner of most rigs to...

Based on the success of our model 4932, this 5kW configuration is also perfect for matching both long and short length wire antennas for multiband use.  When used with the stated lengths shown in the table below, the 9:1 ratio...

Designed for use with single wire unbalanced antennas, this new addition is small, compact and perfect for quick portable/emergency installations. This 9:1 Unun (450-50 ohms) will easily handle 300 watts and covers 1.5 - 54 MHz. Using this unun will...

This design is excellent for matching both long and short length wire antennas for multiband use. Allows the internal tuner of most rigs to tune remotely mounted single wire antennas. This unit is a single core version of the model 9135 for those who do...

This design is excellent for matching both long and short length unbalanced long wire antennas for multiband use and will allow the internal tuner of most rigs to match a single long wire antenna. This unit utilizes stacked cores for increased power...