Precision 49:1 Unun for End-Fed Half-Wave Antennas
Elevate your shortwave and HAM radio performance with this high-efficiency 49:1 Unun (Balun). Specifically engineered for End-Fed Half-Wave (EFHW) antennas, this compact black unit ensures optimal impedance matching between your 50-ohm coaxial cable and the high-impedance end of your antenna. Whether you are operating on the 5-35 MHz HF bands, this balun delivers stable, low-loss signal transmission for clear, long-distance communications.
Key Features & Benefits
- Optimal Impedance Matching: The 49:1 ratio is perfectly suited for EFHW antennas, maximizing power transfer and minimizing Standing Wave Ratio (SWR) across the HF spectrum.
- Wide Band Coverage: Tuned for seamless operation from 5 MHz to 35 MHz, covering the primary shortwave and amateur radio bands including 80m, 40m, 20m, 15m, and 10m.
- Robust 100W Power Handling: Built with quality components to safely handle up to 100 watts of RF power, ensuring reliability during both casual conversations and competitive contesting.
- Compact & Durable Design: The sleek black housing is designed to be weather-resistant and lightweight, making it easy to mount on masts, rooftops, or portable setups without adding significant bulk.
- Easy Integration: Simplifies antenna setup by eliminating the need for complex matching networks, allowing you to focus on your signal rather than your hardware.
Why Choose This Balun?
For radio operators seeking a cost-effective yet high-performance solution, this Unun is the ideal companion for your EFHW setup. By efficiently converting the low-impedance feedline to the high-impedant antenna feed point, you achieve better radiation efficiency and reduced ground losses. Its durable construction ensures it withstands outdoor elements, while its precise tuning guarantees consistent performance across the 5-35 MHz range. Upgrade your station with a component recommended by enthusiasts for its balance of quality, price, and performance.
Price: Original price was: $ 44.19.$ 22.10Current price is: $ 22.10.

