Garmin GMR 24 xHD3 24" Radar Dome

Garmin GMR 24 xHD3 24" Radar Dome (010-02842-00)

Experience unmatched clarity, precision, and performance with the Garmin GMR 24 xHD3 24" Radar Dome — a compact yet powerful marine radar designed for serious captains and offshore navigators. Loaded with advanced technology typically reserved for open-array systems, the GMR 24 xHD3 delivers enhanced situational awareness in any condition, giving you peace of mind on every voyage.

With a 4 kW power output, a maximum range of 48 nautical miles, and high-definition signal processing, this radar dome provides superior target detection of vessels, weather systems, coastlines, and bird activity. Whether cruising in fog, navigating through crowded harbors, or heading offshore, the GMR 24 xHD3 ensures you always have a clear, reliable view ahead.

Key Features

• 4 kW Power Output – Delivers long-range detection and sharp target separation up to 48 nautical miles.
• Scan-Averaging Technology – Filters out sea clutter and interference for clearer, more consistent target returns — a first for Garmin magnetron radar.
• Improved Target-Size Processing – Enhances on-screen object shapes, making it easier to interpret targets at varying distances.
• High-Speed Rotation (Up to 60 RPM) – Provides faster redraw rates and real-time tracking of nearby targets.
• True Echo Trails – Displays the historical path of moving vessels to help identify collision risks and vessel movement patterns.
• Dual Range with Overlay – View close and long-range targets side by side on compatible Garmin chartplotters, with independent range and gain controls.
• Dynamic Auto Gain & Sea Filter – Automatically adjusts radar sensitivity and sea clutter settings for optimal viewing in calm, medium, or rough conditions.
• Auto Bird Gain – Detects bird flocks over baitfish activity — a key feature for sportfishing enthusiasts.
• MARPA Target Tracking – Track up to 30 moving targets (requires compatible heading sensor, sold separately).
• Guard Zone & Alarms – Set safety zones and receive alerts when objects enter your designated area.
• Dual-Radar Support – Provides system redundancy and allows each display to pull data from multiple radar sources.
• Radar Overlay Capability – Overlay radar data onto your chartplotter map display for seamless navigation.

Performance Highlights

• Exceptional target definition with narrow 3.7° horizontal beamwidth and high antenna gain.
• Enhanced collision avoidance through dynamic range cues and electronic bearing lines.
• Quiet and energy-efficient dome-drive motor operation.
• Designed for offshore, coastal, and recreational vessels seeking professional-grade navigation.

Technical Specifications

• Antenna Size: 24" dome (17" array length)
• Maximum Range: 48 nautical miles
• Minimum Range: 20 meters
• Transmit Power: 4 kW
• Rotation Speed: Up to 60 RPM (adjustable)
• Beam Width: 3.7° horizontal / 25° vertical
• Power Input: 11–32 V DC
• Power Consumption: 15 W (standby), 40 W (transmitting)
• Waterproof Rating: IPX7
• Dimensions: 25.4" x 9.8" (64.5 cm x 24.9 cm)
• Weight: 7.0 kg

In the Box

• GMR 24 xHD3 24" Radar Dome
• Power Cable (15 m / 49.21 ft)
• BlueNet™ Network Cable (15 m)
• BlueNet™ Network to RJ45 Adapter Cable
• Mounting Hardware & Template
• Installation Instructions

Why Choose the Garmin GMR 24 xHD3

Built with Garmin’s trusted radar technology, the GMR 24 xHD3 offers high-definition imagery, dual-range functionality, and advanced motion tracking — all in a compact, easy-to-install dome. From offshore navigation to competitive sportfishing, this radar delivers the precision, safety, and awareness you need to navigate confidently in any condition.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.