Shakespeare Style 399-1M VHF Marine Antenna, 9'6", 6dB Gain

Ensure critical marine communication and extended range with the high-performance Shakespeare Style 399-1M VHF Antenna. Engineered with a collinear phased 5/8-wave design and two coaxial chokes, this extra-duty antenna suppresses cable radiation for clearer signal transmission. Its professional-quality construction combines strength and reliable performance, making it an ideal choice for vessels needing efficient communication without requiring extensive mounting space. Upgrade your vessel's connectivity today for enhanced safety and clarity on the water.

In the Box:

• Shakespeare Style 399-1M VHF Antenna
• 1-1/4" U-bolts (for mast mounting)

Key Benefits & Specifications:

• Extended Reach: At 9 feet 6 inches (114"), this antenna provides the height needed for superior signal range.
• Powerful Signal Boost: Delivers 6 dB of gain for significantly extended range on the VHF marine band, ideal for boats over 23 feet.
• Durable Construction: Features a robust fiberglass body with a smooth, high-gloss white finish that prevents yellowing and withstands harsh marine environments.
• Secure Installation: Equipped with a chrome-plated brass ferrule and a standard 1"-14 thread for basic, secure mounting.
• Versatile Mounting: Includes a special aluminum sleeve and supplied U-bolts for secure and flexible mast mounting options.
• Optimized Elements: Utilizes brass and copper elements for precision-built performance, ensuring reliable range and reception.
• Advanced Signal Clarity: Collinear phased 5/8-wave design with two coaxial chokes effectively suppresses cable radiation, improving signal quality.
• High Power Handling: Capable of handling a maximum input of 100 watts for robust radio output.
• Efficient Power Transfer: Maintains a Voltage Standing Wave Ratio (SWR) of 1.5:1 at 156.8 MHz, minimizing signal loss.
• Lightning Protection: DC Grounded design provides essential lightning protection and reduces static.
• Standard Connectivity: Features an SO-239 termination for easy integration with most marine VHF radios.
• Omni-Directional Coverage: Offers an omni-directional radiation pattern and vertical polarization for consistent signal reception from all directions.

Recommended Pairings: Pair with a high-quality coaxial cable and VHF marine radio for optimal performance.