Tech Specs

In The Box
Mounting hardware kit and template
Right angle power cable (15 meters)
Right angle network cable (15 meters)
Documentation
Manual & Warranty
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
Mounting hardware kit and template
Right angle power cable (15 meters)
Right angle network cable (15 meters)
Documentation
Manual & Warranty
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.
Overview
Garmin GMR Fantom 56 Open Array and Pedestal Black (K10-00012-31)
6’ High-Powered Open-Array Radar
The Garmin GMR Fantom 56 is a high-powered 50-watt radar that delivers exceptional close- and long-range detection in any weather condition, including fog and rain. Equipped with MotionScope™ Doppler technology, MARPA tracking, and radar overlay, this 6-foot open-array radar helps enhance safety and situational awareness.
Key Features
- 50-Watt Power Output – Provides a detection range of 20’ to 72 nautical miles, ensuring superior coverage in various conditions.
- MotionScope™ Doppler Technology – Highlights moving targets in color, helping you navigate around vessels, weather systems, and towards fishing hotspots.
- Pulse Compression Technology – Delivers high-resolution imaging while maximizing energy efficiency.
- 1.25-Degree Horizontal Beamwidth – Ensures a high-resolution image and increased antenna gain to detect weak targets over longer distances.
- Dual-Speed Rotation (24 & 48 RPM) – Offers fast screen updates while reducing power consumption at slower rotation speeds.
Advanced Radar Capabilities
- MARPA Target Tracking – Automatically tracks up to 30 selected targets for safe navigation and collision avoidance.
- Echo Trails – Displays a historical trail to help you track moving objects and assess collision risk.
- Radar Overlay – Integrates radar images with your chartplotter’s map page, enhancing navigational precision.
- Auto Bird Gain – Detects flocks of birds where fish are likely located, providing insight into potential fishing spots.
- Dynamic Auto Gain – Automatically adjusts radar gain based on proximity to harbors, nearshore areas, or offshore waters.
- Dynamic Sea Filter – Adapts to sea conditions by adjusting radar settings for calm, medium, or rough seas.
Safety and Display Features
- Dual Range Mode – Offers split-screen views for simultaneous monitoring of both close and long-range targets.
- Dual-Radar Support – Enables redundant radar systems, allowing multiple displays to pull from different radar sources for enhanced reliability.
- Guard Zone Alerts – Set up safety zones around your vessel and receive an alert when an object enters the zone.
- VRM and EBL – Provides accurate distance and bearing measurements to other vessels and landmarks.
User-Friendly Operation
The Garmin GMR Fantom 56 is designed for easy installation and operation, with no complex user settings. Simply set up the radar and begin navigating with enhanced awareness.
Ideal for boaters seeking powerful radar performance and easy-to-use navigation capabilities, this black open-array radar offers a perfect blend of power, clarity, and reliability.

