Manufacturer
<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'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"-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'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're outfitting a small vessel under 20 feet or a mid-size cruiser, KJM'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're upgrading your vessel's communication system or assembling a complete safety package, KJM offers a focused lineup of quality products that serious boaters can rely on.</p>
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$77.73
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The KJM A431-VSS is a rugged 3-foot VHF marine antenna designed for reliable communication on the water. This high-performance antenna features a durable stainless steel construction that resists corrosion in harsh marine environments, making it ideal for boats, yachts, and other watercraft.
Key Features:
This complete antenna package arrives ready to install with all necessary connection hardware included. The 3dB gain provides enhanced range compared to standard unity gain antennas, while the compact size makes it perfect for smaller vessels or applications where a lower profile is desired.
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