📡 DIY EFHW (End-Fed Half-Wave) Antenna Kit – Build Your Own Portable HF Antenna

Whether you're activating a park, hiking to a summit, or preparing for emergency communications, our EFHW Antenna Kit provides everything you need to build a high-performance End-Fed Half-Wave antenna for portable and field operations.

Designed for DIY builders and amateur radio operators, this kit includes quality components and hardware to help you construct a reliable antenna that performs across multiple HF bands.

Kit Includes:

✅ Custom 3D-Printed Wire Winder Plate

✅ 240-43 Toroid Core

✅ Magnet Wire for Winding the 49:1 Transformer

✅ Choice of SO-239 or BNC Connector

✅ 70 Feet of 18-Gauge Stealth Antenna Wire

✅ Heat Shrink Tubing

✅ Zip Ties

✅ All Required Mounting Hardware

Perfect For:

📡 POTA (Parks on the Air)

⛰️ SOTA (Summits on the Air)

🏕️ Camping & Portable Operations

🚨 Emergency Communications

🎒 Backpack & Field Deployments

🔧 Amateur Radio DIY Projects

This kit gives you the flexibility to build an antenna tailored to your operating style while gaining the satisfaction and knowledge that comes from building your own equipment.