UN14 HP, 1:4 Unun (50 Ω:200 Ω) High Power

Impedance transformer (1:4 ratio) to transform a short wire (6 m minimum) or a vertical aluminium vertical tubing into a multiband antenna. Use with automatic or manual coupler recommended. It is the ideal solution to transmit during the week-end or the holidays. High Power version (750 W PEP).