Garmin GMR xHD3 4 Antenna

Description

The Garmin GMR xHD3 4-foot open array antenna maximizes local target tracking when commercial craft navigate foggy coastal channels. Restricted seasonal visibility and heavy rain clusters regularly introduce stressful collision hazards, blinding old instruments. Installing this premium high definition radar radiator bar delivers outstanding target separation, preventing expensive marine electronics damage during rough open sea transit operations.

This high definition radar antenna features an aerodynamic 4-foot open array radiator bar built for extreme marine applications. Unlike low-cost closed radomes that blur close targets near the horizon, this advanced radar component provides a sharp 1.8-degree horizontal beamwidth. The outer shell achieves full IPX6 weatherproofing protection. This watertight barrier isolates interior brass elements from saltwater, making continuous high-speed transit operations highly effective.

Key Features of Garmin GMR xHD3 4 Antenna

• The integrated 4-way high-stability locking system provides absolute structural rigidity. This design allows for reliable mechanical adjustments, enabling crew members to safely alter or secure the antenna angle when navigating under low-clearance bridges, entering restrictive boat slips, or trailer the vessel.
• The top of the mount is equipped with a precision-cut 1 14t marine antenna mount interface featuring standard 1″-14 NF threads. These clean, tight-tolerance threads eliminate loose play and prevent thread galling, ensuring a rock-solid, vibration-proof connection with heavy marine antennas.
• The heavy-duty clamping base is specifically engineered to mount onto standard marine handrails, bow rails, or mast pipes, fitting pipe diameters from Ø7/8 inches up to Ø1.5 inches (22mm to 38mm). Included high-grade stainless steel U-bolts and locking nuts distribute even compression force around the perimeter of the rail, securing an unyielding grip without collapsing or denting marine tubing.
• This heavy-cast physical profile results in an exceptionally rigid installation capable of supporting large marine and high-mass MIMO antenna arrays, shielding your primary communication hardware against direct physical hantaman from breaking waves or shifting deck gear.

Why Choose This Radar over Generic Alternatives

Choosing this genuine Garmin GMR xHD3 4-foot open array antenna upgrade is vital for tracking small targets and pelagic bird flocks. Unlike generic replacement antennas with loose manufacturing tolerances, this 4-foot radiator bar provides narrow 1.8-degree discrimination. It perfectly coordinates with xHD3 series pedestals running on high-speed Garmin Marine Network ethernet lines, ensuring recreational motor yachts avoid unexpected navigation blackout risks safely.

Application & Limitations

This radar radiator bar delivers exceptional line-of-sight tracking on blue-water sportfishers, center consoles, and recreational boats from 30 to 55 feet. However, because it operates strictly as an antenna bar component, it cannot function as a standalone radar without a separate xHD3 series pedestal base unit. Additionally, its wide 4-foot structural span requires a rigid unyielding hardtop mount to handle 80 knots wind resistance forces safely.

Technical Specifications

To assist professional marine electronics installers, custom yacht builders, and commercial vessel captains in verifying exact onboard local radar assembly integration parameters prior to purchase, the comprehensive engineering data breakdown outlined below provides the official manufacturer measurements, electrical metrics, and structural wind thresholds for this specialized Garmin radar antenna array hardware setup.

• Brand & Model Name: Garmin | Model: GMR xHD3 4-Foot Open Array Antenna | MPN: 010-02846-11 | Country of Origin: Taiwan
• Technology Category: Radar Antenna Component platform setup
• Radar Type Hardware: 4ft Open Array (Antenna Only configuration profile)
• Horizontal Beamwidth Scale: Sharp 1.8° horizontal target discrimination layout
• Vertical Beamwidth Expansion: 23° vertical pulse spread profile array
• System Compatibility Profile: Fully compatible with GMR 43x/123x/253x xHD3 Pedestals array hubs
• Continuous Wind Load Rating: Rated up to 80 knots continuous structural threshold stability
• Physical Sizing Scale: Length: 52 inches (132 cm) structural scanner radiator bar
• Product Component Weight: Lightweight 11.4 lbs (5.2 kg) array element only mass
• Standard Equipment Warranty: Covered by Garmin 2-Year Manufacturer Warranty hardware backing