EFHW Transformer

These are ~49:1 ratio (~2500:50 Ohms)/~70:1 (~3500:50 Ohms) UNUN transformers for EFHW (End-Fed Half-Wave) antennas, simply choose a model and add a half-wave length wire for your chosen frequency of interest.

Note that it will also work on its harmonics for example 3.5 MHz x 2,3,4. etc.

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Showing all 5 results