498 4' Extension Mast

Shakespeare 498 4' Extension Mast

Shakespeare Style 498
4 ft. (1.21 M)

Moderate-duty extension mast

A 1-inch diameter extension mast for moderate duty applications. An upper support bracket is required. Use with Style 410-R Mounting Kit.


White, molded polycarbonate fittings
Standard 1in-14 thread, upper male, lower female
Actual length: 50"
One section
Use an upper support bracket (sold separately) if the length of antenna and mast total more than eight feet.

• Shakespeare extension masts can be used to extend the reach of smaller marine antennas by increasing their height above the water, or by helping them clear obstructions that would otherwise interfere with proper radiationShort masts are useful for mounting marine TV antennas, GPS receivers, marine satellite TV dishes and the like.
• IMPORTANT.
• if the combined length of your antenna and all extensions is more than 8 feet, you MUST use and upper support bracket.

• Binding: Electronics
• Label: Shakespeare
• Model: SHA498
• Product Group: GPS or Navigation System