Raymarine RD424HD 4KW HD Radome
Best compact radar for coastal cruisers and serious sport fishermen.
Raymarine's HD Color radome scanners offer exceptional clarity for pleasure craft navigators. The RD424HD features adaptive digital receiver technology, automatically adjusting to changing conditions for crisp echoes and long-range performance up to 48 nautical miles. Its ultra-compact design is ideal for vessels with limited space or power. Enjoy a lifelike radar presentation with a 256-color display and specialized "Bird Mode" to help locate feeding seabirds. This 4KW HD Digital Radome radar integrates seamlessly with compatible Raymarine multifunction displays, enhancing your situational awareness on the water.
$3514.99
Owner Satisfaction
4.5
/ 5
Category Rank
127
/ 176
#127 in Marine Radar
Price vs Category Average
+30%
Above average
Peak Power Output
4
/ kW
Who it's for
- Navigators operating in busy harbors or low-visibility conditions
- Offshore cruisers needing early detection of distant weather systems
- Raymarine users seeking a simple, plug-and-play installation
Who should skip it
- Sailors with limited battery banks or small power budgets
- Captains requiring instant, high-precision close-range target tracking
- Owners wanting to avoid long-term maintenance and magnetron replacement costs
Performance breakdown
Target Clarity
HD signal processing delivers exceptionally sharp and lifelike radar imagery.
Range Performance
Forty-eight nautical miles provides ample reach for most coastal cruising needs.
Space Efficiency
Ultra-compact footprint fits perfectly on vessels with limited mounting space.
Bird Detection
Specialized mode makes locating feeding seabirds intuitive for serious anglers.
System Integration
Ethernet connectivity ensures seamless communication with existing Raymarine multifunction displays.
Adaptive Processing
Digital receiver technology automatically compensates for shifting environmental conditions.
Key Specs
Peak Power Output
4 kW
Maximum Range
48 nm
Horizontal Beam Width
3.9 Degrees
Vertical Beam Width
25 Degrees
Weight
22 lb.
Waterproof Rating
IPX7
Rotation Speed
24/48 rpm
Power Input
12 - 24 V DC
Features
- HD Color signal processing for lifelike radar images
- Adaptive digital receiver adjusts to changing conditions
- 256-color display with selectable palettes
- "Bird Mode" optimizes detection of seabirds
- Dual-range mode for simultaneous monitoring
- Ultra-compact scanner for limited space
- 48 nautical mile HD radar range
- Clear echos with HD Digital signal processing
What customers say
Users overwhelmingly praise the Raymarine RD424HD for its exceptional performance and reliability, positioning it as a top choice for serious navigation. The High Definition clarity significantly improves target separation, while the 4kW power output ensures reliable detection range. Advanced signal processing effectively cuts through sea clutter, identifying small targets even in challenging weather. Integration with modern Raymarine systems is seamless, contributing to high satisfaction once operational. While the unit delivers professional grade situational awareness, the substantial initial investment and the complexity of installation are noted drawbacks. Despite the high cost and technical setup required, the consensus confirms this radome is a highly valued, long term asset for dedicated mariners.
Know before you buy
Bird Mode automatically optimizes the radar's gain, sea clutter, and rain filters to help you spot flocks of feeding seabirds. This is a highly effective way for anglers to locate schools of baitfish and predatory game fish.
No, the RD424HD is a standalone scanner. It is designed to integrate with your existing compatible Raymarine multifunction display via an Ethernet connection.
Yes, the Dual-range mode allows you to view two different radar ranges simultaneously on your compatible display. This is useful for keeping an eye on nearby hazards while monitoring weather or distant targets.
Absolutely. The RD424HD features an ultra-compact radome design, making it an excellent choice for boats where space and weight distribution are critical factors.
The adaptive digital receiver continuously monitors and adjusts to changing environmental conditions, such as rain or sea clutter. This ensures you receive the clearest possible echo returns without needing to manually tweak your settings constantly.
The unit operates on a 12V to 24V DC power supply. It consumes 60W during operation and 25W while in standby mode.
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