Garmin GMR 434/436 xHD3 Open Array Radar and Pedestal (K10-00012-25)
Garmin GMR 434/436 xHD3 Open Array Radar and Pedestal (K10-00012-25)
Model Number: K10-00012-25
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In The Box
Power cable (15 m/49.21 ft)
Network cable (15 m/49.21 ft)
Mounting hardware kit and template
Installation instructions
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
Power cable (15 m/49.21 ft)
Network cable (15 m/49.21 ft)
Mounting hardware kit and template
Installation instructions
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Manual & Warranty
Overview
Garmin GMR 434/436 xHD3 Open Array Radar and Pedestal (K10-00012-25)
Introduction
The Garmin GMR 434/436 xHD3 Open Array Radar delivers high-definition target detection across extended ranges, enabling professional mariners to identify weather systems, vessel traffic, and obstacles with confidence in demanding offshore environments. This radar system combines selectable power outputs with advanced processing technology to provide the situational awareness required for safe and efficient navigation in all sea conditions.
Key Features
- Selectable Power Output: Available in 4 kW, 12 kW, or 25 kW configurations to match vessel size and operational requirements
- Maximum Detection Range: 96 nautical miles (25 kW version) for extended surveillance coverage
- Commercial-Grade Wind Rating: Certified to 100 knots for reliable performance in severe weather
- MARPA Target Tracking: Simultaneous tracking of up to 30 targets for enhanced collision avoidance awareness
- Antenna Rotation Speeds: 24 and 48 RPM options for flexible update rates and power consumption management
- Available Antenna Sizes: 4-foot and 6-foot configurations to accommodate various hull designs and installation spaces
Data Insights
The 96-nautical-mile detection capability at maximum power output positions this system among the most capable open-array radars for offshore work. Advanced features including true echo trails, improved target-size processing, and dynamic auto-gain adjustment produce clearer target images with superior discrimination compared to conventional radar systems. Scan-averaging technology reduces sea clutter variability, enabling more consistent target detection in rough conditions.
Usage Instructions
Proper installation and calibration according to the user manual are essential for optimal performance. Utilize the split-screen dual-range display to monitor both close-range and distant targets simultaneously. Adjust the dynamic sea filter based on current sea conditions to minimize clutter while maintaining target visibility. Periodically verify MARPA target tracking assignments to ensure accurate collision-avoidance situational awareness during transit through congested waters.
Design & Material
The GMR 434/436 xHD3 features an aerodynamic pedestal-mounted design that minimizes wind resistance and reduces structural loading on the antenna mast. The open-array antenna assembly combines lightweight construction with rigid structural integrity to maintain consistent performance across extended operating periods.
- Weather-Resistant Construction: High-quality materials engineered for saltwater and harsh marine environments
- Quiet Operation: Open-array drive motor design reduces mechanical noise during continuous scanning
- High Antenna Gain: Enhanced gain characteristics improve target separation and extend reliable detection range
- Wind-Rated Antenna Assembly: 100-knot rating ensures structural stability during extreme weather events
- Customizable Display Options: Tailor radar overlay configurations and image processing to match individual navigation preferences
- Flexible Mounting: 4-foot and 6-foot antenna options accommodate different vessel topside configurations without major structural modifications
Final Verdict
For professional mariners and serious recreational boaters requiring extended-range detection and reliable target tracking in offshore operations, the Garmin GMR 434/436 xHD3 delivers the performance and durability demanded by modern maritime navigation. The combination of configurable power outputs, true echo trails, and MARPA tracking capabilities directly addresses the safety and operational efficiency requirements of commercial and blue-water recreational vessels. Upgrade your navigation system with the GMR 434/436 xHD3 and maintain decisive situational awareness in any marine environment.
