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EFRW Antenna
POTA Ready

End Fed Random Wire Antenna (EFRW)

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The "Mosquitos End Fed Random Wire Antenna" is designed and built for the Portable Operators, the POTA Community, the Emergency Communications Operators. And well, just for those that like the great outdoors.

With its relatively small size, it can fit in even the smallest pockets of your radio Go-Bags, yet can be one of your most effective antennas. It can be easily deployable in different configurations. It's been field tested by our POTA, and portable operation enthusiasts.

And built with quality material. From the stainless steel hardware, to the reputable companies that we source our toroids from. Down to the wire that we source from Sotabeams, in the UK. An absolutely incredible product from a great company. Our products are hand made right here in the "Good Old USA" by "Ham Radio Operators."

Technical Specs

  • 9:1 Unun Transformer: Matches 450Ω to 50Ω.
  • Wire Length: 29 feet of radiating element.
  • Counterpoise: Three 33ft wires (cuttable to six 16.5ft wires).
  • Power Rating: 110w PEP SSB, 50w CW, 25-30w Digital.
  • Bands: 40m - 6m (Low SWR < 5:1, Tuner Required).

It can be deployed in many configurations. We include one O ring for setting up as a Sloper, Inverted V, or L configurations. Use your favorite way of launching it in a tree with the provided carabiner on top as the insulator.

Note: Provided are also the readings taken from our NanoVNA sweeps in the gallery.

We’ve designed and tested this antenna with the perimeters described above. Any alterations or over power usage that exceeds what is described in this informational flyer may damage the antenna at your own risk.