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Garmin 4' GMR xHD3 AntennaEnhance Your On Water Visibility with Precision Radar Technology Navigating busy waterways or spotting distant targets during early morning fog requires radar that's sharp, reliable, and responsive. The Garmin GMR xHD3 4' antenna delivers high definition marine radar performance tailored for serious boaters, anglers, and coastal cruisers. This open array design captures finer details at longer ranges, helping you distinguish between a buoy, debris, or

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Enhance Your On-Water Visibility with Precision Radar Technology

Navigating busy waterways or spotting distant targets during early morning fog requires radar that's sharp, reliable, and responsive. The Garmin GMR xHD3 4' antenna delivers high-definition marine radar performance tailored for serious boaters, anglers, and coastal cruisers. This open-array design captures finer details at longer ranges, helping you distinguish between a buoy, debris, or approaching vessel with confidence.

Unlike traditional radars that blur small objects into noise, the xHD3 series uses advanced signal processing to provide crystal-clear echoes. Whether you're avoiding collisions in low visibility or marking fish schools from afar, this 4-foot array upgrades your situational awareness without overwhelming your helm setup.

Standout Features for Superior Marine Radar Performance

High-Resolution Imaging: Narrow 1.8° horizontal beam width slices through clutter for exceptional target separation, revealing birds, marks, and bridges up to twice as far as standard radars.
Dynamic Adjustments: Auto Gain and Sea Clutter technologies constantly tune the image, reducing manual tweaks so you focus on boating, not the screen.
Lightning-Fast Updates: Scans at up to 48 RPM with 60-second close-range refreshes, delivering real-time data for split-second decisions.
Dual Range Capability: Split your display to monitor short- and long-range simultaneously—perfect for docking while keeping an eye on weather fronts.
Weather Mode: Optimized for rain and storm detection, cutting through precipitation to show what's ahead.

Technical Specifications at a Glance

Specification	4' Array Details
Dimensions	1325 x 122 x 170 mm (52.2" x 4.8" x 6.7")
Antenna Length	48" (122 cm)
Beam Width	1.8° horizontal, 23° vertical
Power Output	6 kW peak
Rotation Speed	48 rpm (20 rpm at long range)
Weight	Approximately 19 kg (42 lbs)

Seamless Integration and Easy Setup

This antenna pairs effortlessly with a wide range of Garmin chartplotters and multifunction displays via standard Garmin Marine Network cabling. It's an ideal replacement or upgrade for vessels needing robust radar without a full dome overhaul. Mount it on arches, hardtops, or masts—its compact profile minimizes wind resistance while maximizing scan coverage.

Pro tip for installers: Position the array at least 2 feet above any horizontal surfaces to optimize beam pattern. Ground the unit properly to cut interference, and use quality coaxial cable for peak signal integrity. Boaters report crisp overlays on charts, enhancing Garmin's ecosystem for autopilot integration and AR overlays.

Real Boater Stories: Why xHD3 Shines in Action

Fishermen chasing offshore tuna swear by its bird-radar mode, spotting feeding frenzies miles out. Sailors crossing channels praise the pulse expansion for low-speed precision. Even weekend cruisers appreciate how it flags unlit vessels at night, boosting safety on crowded bays. If your current radar washes out details in chop or rain, stepping up to xHD3 feels like gaining new eyes on the water.

Frequently Asked Questions

What makes the Garmin GMR xHD3 4' antenna better than standard marine radars?

It offers high-definition resolution with a narrow beam width for superior target separation, dynamic auto adjustments for clutter-free images, and faster scan speeds up to 48 RPM.

Is this antenna suitable as a direct replacement for older Garmin xHD models?

Yes, the 4' xHD3 is designed as a plug-and-play replacement for compatible xHD series arrays, using the same Garmin Marine Network connections.

How does the beam width affect radar performance?

The 1.8° horizontal beam provides razor-sharp discrimination between close targets, ideal for busy harbors or spotting small objects at distance.

Can I use Dual Range with this antenna?

Absolutely—monitor short-range details like docking while scanning long-range threats on the same display.

What mounting options work best for the 4' array?

It mounts securely on arches, T-tops, or masts. Ensure clearance above decks for optimal beam spread and minimal interference.

Does it handle heavy weather well?

Yes, Weather Mode and Sea Clutter rejection excel in rain and rough seas, maintaining clear views of solid targets.

What's included with the antenna?

Just the GMR xHD3 4' antenna array—cables and mounts sold separately for custom installs.

Garmin GMR xHD3 4' Antenna Only

Model: 010-02780-00

This is a 4' replacement xHD3 Antenna

Specifications

DIMENSION	4' array: 1325 x 122 x 170 mm (52.2"" x 4.8"" x 6.7"")
ANTENNA LENGTH	4' array: 48"" (122 cm)
BEAM WIDTH	4' array: 1.8° horizontal, 23° vertical

What's in the Box:

GMR xHD3 4' Antenna

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Garmin 4' GMR xHD3 Antenna

Name: Garmin 4' GMR xHD3 Antenna
Brand: www.paixalia.com
SKU: 55686918734
Price: 450.00 USD
Availability: InStock
Rating: 4.0396 (789 reviews)