Garmin ECHOMAP UHD2 64sv U.S. Coastal and Great Lakes GN+ with GT54-TM Transducer – All-in-One Marine Chartplotter & Sonar Solution
The Garmin ECHOMAP UHD2 64sv GN+ is built for coastal boaters and Great Lakes anglers who want professional-grade sonar and navigation in one compact unit. Paired with the versatile GT54-TM transducer, it delivers high-definition CHIRP, ClearVü, and SideVü sonar, offering wide coverage and sharp underwater detail. Preloaded with Garmin Navionics+ maps for U.S. coastal waters and the Great Lakes, it provides detailed contours, Auto Guidance+™, and updated depth data—ideal for both saltwater and inland navigation.
Key Features – Garmin ECHOMAP UHD2 64sv GN+ with GT54-TM
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6” High-Resolution Touchscreen – Bright, intuitive display optimized for sunlight readability and quick menu access.
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GT54-TM Transducer Included – Combines CHIRP sonar, ClearVü down imaging, and SideVü side-scanning sonar for crisp, detailed underwater visuals.
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Preloaded Garmin Navionics+ GN+ Maps – Coverage includes U.S. coastal waters and Great Lakes with 1’ HD contours, community edits, depth shading, and Auto Guidance+™.
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Built-In High-Sensitivity GPS – Track routes, mark waypoints, and navigate coastal and freshwater environments accurately.
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Wi-Fi & NMEA 2000® Compatible – Share sonar, routes, and software updates between devices, or connect to compatible radar, AIS, autopilot, and more.
Integrated Keywords: Garmin ECHOMAP UHD2 64sv, GT54-TM transducer, Garmin coastal GN+, Great Lakes chartplotter, SideVü sonar, ClearVü sonar, Garmin Navionics+, marine GPS
Why It’s Ideal for Coastal & Great Lakes Boaters
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Complete Sonar System – With the included GT54-TM, you get a full sonar suite for structure scanning, depth measurement, and fish tracking.
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Detailed Marine Mapping – Navigate confidently along coastlines and large inland lakes with Navionics+ GN+ mapping technology.
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Versatile Integration – Expand your system with trolling motors, radars, or engine data overlays using NMEA 2000®.
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Real-Time Data Sharing – Use Wi-Fi to sync and share between ECHOMAP devices, download updates, or expand charts.
What’s Included
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Garmin ECHOMAP UHD2 64sv chartplotter
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GT54-TM transducer (CHIRP, ClearVü, SideVü)
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Garmin Navionics+ GN+ U.S. Coastal & Great Lakes maps
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Tilt mount with quick-release cradle
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Power/data cable
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Transducer mount and hardware
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User documentation
Product Specifications
Feature | Details |
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Display Size | 6.0” WVGA touchscreen |
Resolution | 800 x 480 pixels |
Sonar Technologies | CHIRP, ClearVü, SideVü |
Transducer Frequencies | CHIRP 77/200 kHz, 455/800 kHz (GT54-TM) |
Mapping | Garmin Navionics+ GN+ Coastal & Great Lakes |
GPS | Built-in, high-sensitivity GPS |
Connectivity | Wi-Fi, NMEA 2000®, NMEA 0183 |
Power | 12V DC |
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Customer Testimonial
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“I’ve used this unit on the Gulf Coast and Lake Michigan—it’s outstanding. The sonar is crisp and easy to interpret, and the coastal and Great Lakes maps are spot on. Worth every penny.”
— Raymond D., Florida/Michigan
Navigate Coastlines & Lakes with Confidence
Whether you’re navigating saltwater channels or targeting deep structures in the Great Lakes, the Garmin ECHOMAP UHD2 64sv with GT54-TM offers a reliable, all-in-one sonar and navigation system that’s flexible, expandable, and easy to use.