My Account
Shopping Cart

Standard Horizon SCU-31 GPS Smart Antenna for VHF Radios

Manufacturer

Standard Horizon

<h3>Standard Horizon: The Gold Standard in Marine Communication</h3><p><strong>Standard Horizon</strong> has earned its place as one of the most trusted names in marine electronics over more than five decades of innovation. <a href="/7587-standard-horizon">A subsidiary of Yaesu Musen Co., Ltd.</a> — a Japanese company with roots in commercial and amateur radio manufacturing dating back to 1959 — Standard Horizon combines deep radio engineering expertise with a laser focus on the demands of the open water. The result is a product lineup that recreational boaters, commercial mariners, and government agencies around the world have come to rely on for safety-critical communication.</p><h3>Built for the Water, Trusted on Every Voyage</h3><p>At the heart of the Standard Horizon lineup are its renowned <a href="/7587-standard-horizon-vhf-radios-handheld-202719">handheld VHF radios</a>, which have made the brand the leading manufacturer of VHF marine radios in the United States. These compact, rugged transceivers are engineered to endure the harshest marine conditions — think salt spray, accidental submersion, and the punishing vibration of a fast-moving hull. Many models meet or exceed IPX8 waterproofing standards, meaning they can survive submersion well beyond the typical splash or rain event you might encounter on the water.</p><p>Standard Horizon&apos;s <a href="/7587-standard-horizon-vhf-radios-handheld-201143">VHF radio</a> product range spans everything from ultra-compact units — some barely larger than a deck of playing cards — to full-featured models packed with GPS receivers, Digital Selective Calling (DSC), Bluetooth connectivity, NOAA weather alert channels, and FM broadcast reception. DSC capability is especially important for safety: it enables mariners to transmit an automated distress signal with precise GPS coordinates at the press of a single button, a feature that can be life-saving in an emergency.</p><h3>Why Standard Horizon Stands Apart</h3><p>The brand&apos;s commitment to engineering excellence has not gone unnoticed in the industry. Standard Horizon VHF radios have earned the prestigious NMEA (National Marine Electronics Association) award for design and engineering excellence an exceptional number of times, a testament to the brand&apos;s sustained focus on quality. Features like rapid charging, floating designs that activate a strobe light on water contact, noise-cancelling microphones, and programmable channel scanning reflect a thoughtful approach to the real-world needs of boaters — not just a checklist of specs.</p><p>Beyond radios, Standard Horizon also produces GPS chartplotters, sonar transducers, loud hailers, and a full ecosystem of accessories including remote speaker microphones, antennas, battery packs, and mounting hardware. Whether you&apos;re outfitting a weekend fishing boat, a coastal cruiser, or a commercial vessel, Standard Horizon offers the communication and navigation tools to keep you safe, informed, and connected at sea.</p><h3>A Legacy of Marine Safety</h3><p>What sets Standard Horizon apart from the competition is not just the technology inside each unit, but the philosophy behind it: every product is built as if lives depend on it — because sometimes they do. With corrosion-resistant hardware, marine-grade connectors, and robust waterproof housings, these radios are designed to perform reliably when conditions deteriorate and dependable communication matters most. For mariners who take safety seriously, Standard Horizon remains the benchmark.</p>

Part Number

SCU-31
06/01/2036 8:12 AM
Sale Price

$125.24

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Standard Horizon SCU-31 is a high-performance GPS smart antenna designed to provide accurate position data for compatible Quantum VHF radios and other marine electronics. This compact external GPS receiver delivers fast, reliable satellite acquisition and precise navigation information via NMEA0183 data output.

Key Features:

  • 66-channel WAAS-enabled GPS receiver for enhanced accuracy
  • Rapid GPS acquisition time for quick position lock
  • 49-foot (15-meter) routing cable for flexible installation options
  • UV-protected ivory white housing for long-lasting durability
  • NMEA0183 data input/output for integration with marine electronics
  • Waterproof construction backed by a 3-year warranty

Ideal for boaters looking to add GPS functionality to their Standard Horizon VHF radio or integrate position data into their marine navigation system. The long cable allows for versatile mounting locations while maintaining a clean, professional installation.

Products specifications

Waterproof

Waterproof

Dimensions

4" x 4" x 2"

GPS

66 Channel WAAS GPS

Type

GPS Antenna

Voltage

12 Volts DC

Connection Interface

49' Cable

External Sensors

GPS Antenna

Warranty Details

One Year

easy

Cheaper than going through alta

Went well, does it come with a spout?

Awsome....price. shipping not so good

Quick and easy to find what we were looking for

Great and easy to find

Quick ordering

vert simple.

You guys ROCK! Great prices and low shipping costs.

Great just what I wanted.

Excellent

easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy