Garmin ECHOMAP Ultra 2 126sv 12" Chartplotter/Fishfinder (Navionics+) (GT56UHD-TM)

ECHOMAP™ Ultra 2 126sv with GT56UHD-TM Transducer - with Garmin Navionics+ (010-02882-01)

Discover the power of the Garmin ECHOMAP Ultra 2 126sv with GT56UHD‑TM Transducer, a top-tier 12-inch chartplotter and fish-finder designed for serious anglers who demand cutting-edge sonar, integrated mapping and robust connectivity.

• A large 12″ sunlight-readable WXGA IPS touchscreen (1280 × 800 resolution) delivers crisp visuals even in bright conditions. 
• Bundled with the GT56UHD-TM transducer, you get Ultra High-Definition scanning sonar: CHIRP traditional, ClearVü™ and SideVü™ – enabling photo-like imaging beneath the water’s surface. 
• Built-in support for LiveScope™ live-scanning sonar gives you real-time view of structure, fish and movement around your boat (transducers sold separately). 
• Preloaded with Garmin Navionics+™ inland and coastal mapping – including a one-year update subscription, depth shading and rich chart detail so you’re ready to hit the water right away. 
• Multi-band GPS (plus support for GLONASS, Galileo & BeiDou) for superior positional accuracy even in challenging environments. 
• Wireless networking enables sharing sonar, waypoints and routes between compatible chartplotters aboard your boat—ideal for multi-station setups or upgrades later.
• Screen recording function captures your sonar view and catches, letting you review or share key fishing moments. 
• Vivid colour scanning sonar palettes enhance the contrast and clarity of structure and targets, making it easier to quickly interpret what’s under the boat. 
• Installation flexibility with either bail-mount or flush mount options. IPX7 waterproof rating ensures durability in marine environments. 
• Advanced connectivity: NMEA 2000® and NMEA 0183 compatibility, ANT+ wireless, built-in Wi-Fi, and seamless pairing with the ActiveCaptain® app. Control, update and sync all from your smart device. 

In the box you’ll find the ECHOMAP Ultra 2 126sv unit (with Navionics+ mapping), GT56UHD-TM transducer, power/data cable, quick-release bail-mount cradle, protective sun cover, hardware and documentation. 

Why this unit stands out

This model blends the best in digital mapping, sonar technology and networked sharing for anglers who don’t settle. The combination of the 12″ display, UHD scanning sonar and LiveScope readiness positions it not just as a fish-finder but as a full onboard fish-hunting system.

Whether you’re power-trolling coastal waters, casting structure in freshwater or setting up dual-station chartplotters, this unit delivers premium features for those who demand the most from their electronics.

Key Specifications

• Dimensions: 13.4″ × 9.0″ × 3.9″ (34.1 × 22.9 × 9.8 cm) 
• Weight: ~5.5 lbs (2.5 kg)
• Display Size: 12.1″ diagonal, 10.3″ × 6.4″ area 
• Waterproof Rating: IPX7 
• Waypoints: 5,000; Track points: 50,000; Saved tracks: 50; Routes: 100
• Sensor Suite: GPS, GLONASS, Galileo, BeiDou; 10 Hz receiver 
• Sonar Power Output: 600 W; CHIRP Traditional & ClearVü/SideVü built-in with the transducer bundle. 

Installation & Use Tips

• Ensure the included GT56UHD-TM transducer is mounted correctly for optimal performance of ClearVü and SideVü scanning.
• Take advantage of the ActiveCaptain mobile app to download updates, review Quickdraw™ Community maps and share screen recordings.
• Use the wireless network feature if you plan multiple display zones on your boat—waypoints and sonar data sync seamlessly.
• In high-glare midday conditions, the 12″ IPS display makes a big difference — pair with the sun cover included for best readability.
• If you already own other compatible Garmin units, link them to expand your system without replacing the core platform.

 (0100288201)
Owner's Manual (pdf)