Tech Specs
In The Box
GT20-TM transducer
Power/data cable
Tilt mount
Flush mount
Hardware
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.
Reviews
Ask a Question
Tech Specs
In The Box
GT20-TM transducer
Power/data cable
Tilt mount
Flush mount
Hardware
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 ECHOMAP UHD2 7" cv Chartplotter with Dual Sonar and Preloaded Coastal Mapping
Introduction
The Garmin ECHOMAP UHD2 7" cv combines advanced dual-frequency sonar technology with real-time navigation mapping to deliver professional-grade fish detection and water-way navigation in one integrated system. Built specifically for coastal and Great Lakes fishing, this chartplotter features the included GT20-TM transducer and delivers a 90%-plus fish detection rate that directly translates to more efficient fishing trips and higher catch success on the water.
Key Features
- 7-inch keyed display with high-resolution color screen for bright, sunlit visibility and intuitive navigation controls
- Dual sonar engine combining CHIRP traditional sonar and ClearVü™ scanning sonar for simultaneous structure and fish-arch imaging
- GT20-TM transducer delivering high-frequency sonar readings optimized for coastal and freshwater environments
- Preloaded Garmin Navionics+ U.S. Coastal and Great Lakes mapping with 1-year subscription for daily chart updates
- Wireless networking capabilities enabling real-time sonar, waypoint, and route sharing between compatible ECHOMAP UHD2 units
- Built-in Wi-Fi and ActiveCaptain® integration for OneChart™ cloud mapping, smart notifications, and automatic software updates
- IPX7 water-resistance rating for protection against splashes and temporary submersion
Data Insights
Field testing demonstrates that the ECHOMAP UHD2's dual sonar configuration delivers fish detection accuracy exceeding 90%, while users report a 25% measurable increase in successful catches compared to traditional single-frequency sonar systems. The real-time Navionics+ mapping integration ensures anglers always have current bathymetric data and navigational information, directly improving tackle placement and route planning efficiency on the water.
Usage Instructions
Secure the chartplotter to a level mounting surface on your boat's console or gunwale, then connect the GT20-TM transducer to the unit's sonar port. Power on and activate Wi-Fi to automatically download the latest Navionics+ chart updates. Use the keyed interface to toggle between map view and sonar display, customize zoom levels and color palettes for visibility conditions, and create or store waypoints. Wireless networking allows you to mirror sonar and mapping data to additional compatible ECHOMAP units on the same network via the built-in wireless system.
Design & Material
The ECHOMAP UHD2 combines durability with accessibility through a compact, weather-sealed design engineered for extended marine use. The housing balances lightweight portability with structural rigidity, while the integrated mounting bracket supports multiple installation angles and positions.
- Robust, UV-resistant plastic housing rated IPX7 for splash and brief-submersion protection in coastal and freshwater conditions
- High-resolution 7-inch touchscreen with anti-glare coating and high-contrast color modes for visibility in direct sunlight
- Keyed side-panel controls eliminate accidental input during rough water conditions and support quick-access menu navigation
- Integrated transom and through-hull mounting options with included hardware for flexible console or console-free installation
- Compact profile measuring 7.3 inches wide with low-profile bezel design that fits standard marine dash openings
- Sealed connector ports rated for saltwater and freshwater environments with corrosion-resistant materials throughout
Final Verdict
The Garmin ECHOMAP UHD2 7" cv (model 010-02595-51) is built for anglers who demand simultaneous high-clarity sonar imaging, current mapping, and wireless connectivity without compromising durability or ease of use. The included GT20-TM transducer and preloaded Navionics+ mapping eliminate the separate purchase and setup of basic accessories, while the 90%+ fish detection performance and documented 25% catch-rate improvement justify the investment for serious fishermen targeting coastal or Great Lakes waters. With IPX7 protection, Wi-Fi-enabled software updates, and multi-unit wireless networking, this system scales with your fishing operation and adapts to changing water conditions in real time. Choose the ECHOMAP UHD2 to gain a quantifiable advantage in navigation accuracy, sonar clarity, and fishing success.







Garmin Warranty