Raymarine RD424HD 4kW 24-Inch HD Digital Radome - Professional Marine Radar for Enhanced Navigation Safety
Experience Unmatched Radar Clarity with HD Digital Processing
The Raymarine RD424HD represents the pinnacle of compact radar technology, delivering the power and precision of HD digital signal processing in an ultra-compact 24-inch radome. This professional-grade marine radar scanner transforms navigation safety for vessels of all sizes, providing crystal-clear target detection up to 48 nautical miles with adaptive digital receiver technology that automatically adjusts to changing sea conditions.
Engineered for serious mariners who demand reliable performance in challenging conditions, this 4kW radar radome features the same advanced digital receiver technology found in Raymarine's premium open array antennas, delivering exceptional short-range accuracy and outstanding long-range performance that cuts through rain, fog, and heavy seas.
Advanced Features for Professional Marine Navigation
HD Digital Processing Excellence
- Adaptive Digital Receiver: Automatically adjusts to environmental and sea conditions for dramatically clearer radar presentation
- 256-Color Multi-Level Display: Provides the most lifelike radar presentation available from any radome scanner with selectable color palettes
- Intelligent Target Separation: Powerful digital processor separates true contacts from noise and clutter for accurate threat assessment
- Variable Speed Scanning: High-speed 48 RPM target tracking for close-range precision, automatically switching to 24 RPM for extended range performance
Specialized Detection Capabilities
- Bird Mode Technology: Automatically optimizes receiver sensitivity for detecting seabirds above fish schools - invaluable for sport fishing and commercial applications
- Dual-Range Monitoring: Simultaneously monitor both long and short ranges with a single scanner and display for comprehensive situational awareness
- Multiple Operating Modes: Automatic harbor, coastal, offshore, and buoy operating modes optimize performance for specific navigation environments
Technical Specifications
Performance Specifications
| Power Output: | 4kW |
| Maximum Range: | 48 nautical miles |
| Array Diameter: | 24 inches |
| Beam Width: | 3.9 degrees |
| Antenna Rotation: | 24/48 RPM variable speed |
| Display Resolution: | 256-color presentation |
Power & Installation
| Power Requirements: | 12V/24V DC |
| Cable Included: | No - sold separately |
| Model Number: | E92143 |
| UPC: | 091975005138 |
Display Compatibility
The RD424HD is engineered for seamless integration with Raymarine's advanced multifunction display systems:
Fully Compatible Display Series
- C-Series Widescreen: Full integration with all C-Series widescreen multifunction displays
- E-Series Widescreen: Complete compatibility with E-Series widescreen navigation systems
- G-Series: Professional-grade integration with G-Series multifunction displays
- Legacy Support: Also compatible with third-generation c-Series/e-Series, E-Series Classic displays, and aSeries, eS Series, gS Series systems
Important: This unit may not be compatible with older MFD models. Verify compatibility with your specific Raymarine display model before installation.
Installation Requirements
Professional installation recommended for optimal performance and safety compliance. Key installation considerations include:
- Mounting Location: Select clear mounting position with 360-degree rotation clearance and minimal radar shadow
- Radar Cable: Requires separate Raynet digital radar cable (typically 10m) - not included with this model
- Power Supply: Ensure adequate 12V or 24V DC power supply with appropriate circuit protection
- Safety Compliance: Installation must comply with FCC radiation exposure guidelines and marine electrical standards
- Interference Considerations: Mount away from other electronic equipment and metal structures that could affect performance
Real-World Performance Advantages
Superior Weather Penetration
The RD424HD's adaptive digital receiver technology provides exceptional performance in challenging weather conditions. Rain, fog, and high seas that would obscure targets on conventional radar systems are no match for this advanced HD digital processing, ensuring reliable navigation when conditions deteriorate.
Enhanced Target Detection
With its intelligent signal processing and 256-color display capability, the RD424HD delivers crisp, accurate contact echoes at short ranges while maintaining outstanding long-range performance. The system's ability to automatically separate true contacts from sea clutter and noise provides mariners with confidence in target identification and collision avoidance.
Fishing Applications
The innovative Bird Mode feature makes this radar invaluable for fishing applications, automatically optimizing sensitivity to detect seabirds hovering above baitfish schools. This capability gives sport fishing and commercial fishing vessels a significant advantage in locating productive fishing areas.
What's Included
- RD424HD 24-inch HD Digital Radome Scanner
- Mounting Hardware Kit
- Owner's Manual and Installation Guide
- Warranty Documentation
Additional Items Required (Sold Separately)
- Raynet Digital Radar Cable (typically 10m length)
- Compatible Raymarine Multifunction Display
- Appropriate DC power supply and circuit protection
Raymarine Quality & Support
As part of Raymarine's professional marine electronics lineup, the RD424HD is built to withstand the harsh marine environment while delivering years of reliable service. Backed by Raymarine's comprehensive warranty and global service network, this radar system represents a long-term investment in navigation safety and fishing success.
The RD424HD brings open-array radar capabilities to smaller vessels, offering boat captains the same advanced features typically reserved for larger capacity vessels. This democratization of professional radar technology makes enhanced navigation safety accessible to a broader range of marine applications.
Frequently Asked Questions
Is this radar compatible with my existing Raymarine display?
The RD424HD is compatible with C-Series Widescreen, E-Series Widescreen, G-Series displays, and many legacy Raymarine systems. However, it may not work with older MFD models. Check your display model against Raymarine's compatibility chart or consult with a marine electronics professional to ensure compatibility.
Why doesn't this model include the radar cable?
The E92143 model is designed for installations where custom cable lengths may be required or where installers prefer to select the appropriate cable length for their specific installation. This approach reduces overall cost and provides installation flexibility. Most installations use a 10m Raynet digital radar cable.
What is the advantage of the adaptive digital receiver?
The adaptive digital receiver automatically adjusts gain, sea clutter, and rain clutter settings based on real-time environmental conditions. This means you get optimal radar performance without constantly adjusting manual controls, resulting in clearer target detection and reduced operator workload.
How does Bird Mode help with fishing?
Bird Mode optimizes the radar's sensitivity to detect seabirds flying above schools of baitfish. Since diving birds often indicate active feeding areas where game fish are present, this feature helps anglers locate productive fishing spots more efficiently than traditional fish finder sonar alone.
What is the difference between 24 RPM and 48 RPM operation?
The radar automatically switches to 48 RPM for ranges less than 3 miles to provide rapid target updates for close-range navigation and collision avoidance. For longer ranges above 3 miles, it operates at 24 RPM to optimize range performance and power consumption. This variable speed operation ensures optimal performance for all navigation scenarios.
Can this radar be used for both navigation and fishing applications?
Absolutely. The RD424HD excels in both navigation safety and fishing applications. Its automatic operating modes (harbor, coastal, offshore, buoy) optimize performance for navigation, while Bird Mode and superior target resolution make it excellent for locating fishing opportunities. The dual-range capability allows simultaneous monitoring of navigation hazards and fishing targets.