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KJM A431VB Marine VHF Antenna 4 Foot Black Fiberglass

Manufacturer

KJM

<h3>KJM Marine: Built for Life on the Water</h3><p>When reliable communication and onboard safety matter most, KJM Marine delivers purpose-built products designed to handle the relentless demands of the marine environment. From coastal cruisers to offshore passagemakers, KJM has earned a reputation as a trusted source for high-performance marine electronics and safety equipment backed by real-world durability.</p><p>At the heart of the KJM lineup are its <a href="/11267-kjm-fixed-antenna-mounts-201973">fixed antenna mounts</a> and <a href="/11267-kjm-vhf-commercial-duty-antennas-202714">VHF commercial duty antennas</a> — engineered to stand up to constant sun exposure, salt spray, and the vibrations of day-in, day-out use. <strong>KJM VHF antennas</strong> are constructed for vessels ranging from small runabouts to large yachts, ensuring consistent signal quality wherever you take the boat. Every KJM antenna is backed by a 5-year warranty, giving boaters confidence in their investment long after leaving the dock.</p><p>For vessels requiring Automatic Identification System connectivity, KJM&apos;s <a href="/11267-kjm-ais-antennas-200082">AIS antennas</a> are a natural fit. Built with thick-walled fiberglass construction and compatible with standard 1&quot;-14 thread mounts, KJM AIS antennas are well-suited for both stand-alone AIS applications and combination VHF/AIS installations using a splitter. Some models even ship with low-loss RG-8/X cable pre-attached for a clean, professional install right out of the box.</p><p>Safety is equally central to the KJM catalog. The brand&apos;s <a href="/11267-kjm-throw-bagssafety-kits-202637">throw bags and boat safety kits</a> are US Coast Guard approved, making them a reliable choice for boaters who want to stay compliant and prepared. Whether you&apos;re outfitting a small vessel under 20 feet or a mid-size cruiser, KJM&apos;s safety kits are sized and specified to meet the demands of real on-water use.</p><p>KJM Marine products are built with an understanding that the ocean is unforgiving — materials, engineering, and attention to detail all reflect that reality. Whether you&apos;re upgrading your vessel&apos;s communication system or assembling a complete safety package, KJM offers a focused lineup of quality products that serious boaters can rely on.</p>

Part Number

A431VB
06/02/2036 5:34 AM
Sale Price

$76.07

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The KJM A431VB is a professional-grade 4-foot marine VHF antenna designed for reliable communication on the water. This monopole antenna features durable black fiberglass construction with a stainless steel ferrule and brass radiators for excellent corrosion resistance in harsh marine environments.

Key Features:

  • 3dB gain for enhanced signal transmission and reception
  • 4-foot length provides optimal performance for most vessels
  • Black fiberglass construction for durability and UV resistance
  • Stainless steel ferrule and brass radiators resist corrosion
  • Convenient ratchet mount for easy installation and adjustment
  • Includes 20-foot RG-8X coaxial cable with PL-259 connector

Compatible with standard VHF marine radios, this antenna delivers dependable performance for ship-to-ship and ship-to-shore communications. The included mounting hardware and pre-terminated cable make installation straightforward on boats, yachts, and other marine vessels.

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