Shakespeare 4700-2 24" Stainless Steel Extension Mast

Extend Antenna Height for Stronger, Clearer Marine Signals

The Shakespeare 4700-2 Extension Mast is a 24" (2 ft) stainless steel extension designed to raise the height of your marine antennas for better signal clarity and range. Ideal for clearing obstructions and improving line-of-sight, this rugged extension works with a variety of antenna types, including VHF, GPS, CB, and AIS. Built with durable stainless steel and standard 1"-14 threads, it provides reliable, corrosion-resistant performance in harsh marine environments.

Key Features

• Length: 24" (2 ft) extension for greater antenna elevation.
• Material: Marine-grade stainless steel for strength and corrosion resistance.
• Thread Size: Standard 1"-14 threads (male upper, female lower) for universal compatibility.
• Diameter: 1" outer diameter for a precise fit with most mounts.
• Finish: Polished surface for durability and an attractive appearance.
• Design: Rugged construction suitable for long-term marine use.

Compatibility

• Compatible with Shakespeare and most other marine antennas using 1"-14 threads.
• Works with VHF, GPS, AIS, CB, and marine TV antennas.
• Fits standard marine mounts, base plates, and accessories.

Ideal Use Cases

• Extending VHF or AIS antennas for improved communication range.
• Elevating GPS antennas above onboard obstructions.
• Supporting marine satellite TV dishes and marine TV antennas.
• Perfect for sailboats, motorboats, and commercial vessels requiring enhanced signal reach.

Why Antenna Height Matters

Signal quality on the water is directly tied to antenna height and line-of-sight. By raising your antenna with the Shakespeare 4700-2 extension, you reduce interference from structures and increase communication clarity. Its stainless steel build ensures long-lasting strength and resistance to the elements, making it a dependable upgrade for any vessel.

Frequently Asked Questions

Will this extension fit non-Shakespeare antennas?

Yes. As long as the antenna and mount use standard 1"-14 threads, this extension will be compatible.

Can I stack multiple extensions?

It’s possible, but stacking can affect stability and performance. Always consult your antenna manufacturer before adding multiple extensions.

Is the extension waterproof?

While it is not a sealed component, it is made of stainless steel that resists rust, pitting, and corrosion in marine environments.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.