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Digital Antenna 876-SB AIS Marine Antenna 4ft 4.5dB Gain Black

Manufacturer

Digital Antenna

<h3>About Digital Antenna</h3><p><strong>Digital Antenna</strong> has been a trusted name in antenna technology since 1991, earning a reputation as a leading manufacturer of high-performance marine and commercial wireless antennas. Headquartered in Sunrise, Florida, the company designs and builds its products in the USA, with a team of dedicated engineers ensuring every antenna meets rigorous standards for signal performance and durability.</p><p>What sets Digital Antenna apart is its commitment to quality at every stage of production. Each antenna is individually hand-assembled, tested, and precision-tuned before leaving the facility — a level of craftsmanship rarely seen in the industry. The result is a lineup of products trusted by recreational boaters, commercial mariners, government agencies, and land-based users alike.</p><h3>A Full Spectrum of Marine Antenna Solutions</h3><p>Digital Antenna&apos;s marine product range covers virtually every communication and navigation need on the water. Their <a href="/11252-digital-antenna-vhf-commercial-duty-antennas-202714">VHF Commercial Duty Antennas</a> are engineered to deliver maximum range and clarity for both analog and digital signals, making them a go-to choice for professional mariners and demanding recreational applications. Available in 4&apos;, 8&apos;, and 16&apos; configurations with gain options up to 10dB, these antennas are built to perform in the harshest marine environments.</p><p>For vessels equipped with Automatic Identification System technology, Digital Antenna&apos;s <a href="/11252-digital-antenna-ais-antennas-201614">AIS Antennas</a> are purpose-built to deliver maximum detection range and ultra-low VSWR — critical factors for dependable vessel tracking and USCG compliance. Many models also serve as combination VHF/AIS antennas, reducing the number of mounts and cables needed aboard.</p><p>Onboard entertainment is equally well-served. Digital Antenna&apos;s <a href="/11252-digital-antenna-amfm-stereo-antennas-200088">AM/FM Stereo Antennas</a> are designed specifically for the marine environment, delivering clear, reliable reception across 4&apos; and 8&apos; form factors suited for yachts, speedboats, T-tops, and radar arches.</p><p>The brand also offers a broader <a href="/11252-digital-antenna-antenna-1332">Antenna</a> lineup spanning cellular, 4G/5G, Wi-Fi, satellite radio, and SSB applications — covering connectivity needs far beyond traditional radio communication. Rounding out the marine accessories range, Digital Antenna&apos;s <a href="/11252-digital-antenna-fixed-antenna-mounts-201973">Fixed Antenna Mounts</a> are constructed to complement their antenna lineup, providing secure, corrosion-resistant mounting solutions built for life on the water.</p><h3>USA-Made Quality You Can Count On</h3><p>Digital Antenna uses premium materials throughout its construction process, including 316 stainless steel ferrules, soldered brass radiating elements, power-directing ferrite choke beads, and high-gloss UV-stable fiberglass finishes. Many commercial and wideband models are engineered to meet military environmental testing standards, underscoring the brand&apos;s dedication to reliability in extreme conditions. Whether you&apos;re outfitting a center console, a commercial vessel, or a land-based installation, Digital Antenna offers a solution built to last.</p>

Part Number

876-SB
06/02/2036 8:05 AM
Sale Price

$369.42

In Stock (5)

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Product Details

The Digital Antenna 876-SB is a professional-grade 4-foot AIS (Automatic Identification System) antenna designed to meet USCG commercial vessel requirements. Engineered specifically for AIS frequency performance, this antenna delivers reliable 4.5dB gain with exceptional 1.5:1.0 SWR ratio across the critical 159-162 MHz frequency range, ensuring compatibility with all AIS transponders.

Key Features:

  • 4-foot length with 4.5dB gain for optimal AIS signal reception
  • Low 1.5:1.0 SWR ratio from 159-162 MHz for maximum efficiency
  • Powerful brass radiators with soldered connections for durability
  • Power-directing ferrite choke bead reduces interference
  • High gloss urethane finish protects against harsh marine environments
  • 316 stainless steel ferrule resists corrosion
  • Stainless steel double female ferrule mount with 1-14 threaded base
  • Quality SO-239 female (UHF female) connector
  • Made in USA and hand-tuned for maximum performance

Part of Digital Antenna's 800 GOLD Series, the 876-SB is assembled, tested, and tuned by hand to ensure unsurpassed quality and durability. This antenna requires appropriate VHF/AIS cables and DA645 connectors (sold separately). The black finish provides a sleek, professional appearance while the robust construction ensures years of reliable service in demanding marine conditions.

Great price on y new radiator plus free shipping!

Thanks

price is reasonable great web site don't have to go through an act of congress to find what you need. Thank you.

so far so good

all good

Free shipping and a great price.

quick checkout

Very easy to shop for the parts that I need and great prices.

this is supposed to fit my 2003 Chevy avalanche 4 x 4 Z71 with cladding correct?

(Best price on the web...even though Google listed a shipping rate slightly lower than actual) My Autoplicity sales associate was great...very helpful, knowledgeable and professional...he even helped make up for the shipping difference by offering a small discount on the shipping. You guys have definitely earned my business....THANKS!

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