The Garmin ECHOMAP UHD2 54cv with Navionics+ U.S. Coastal & Great Lakes Mapping gives anglers a powerful combination of sonar clarity, mapping detail, and wireless connectivity in a compact 5-inch unit. Available with or without the GT20-TM Transducer, this keyed display delivers sharp underwater views through Garmin traditional sonar and ClearVAoe scanning sonar, revealing crisp fish arches and structure definition in vivid color palettes that make interpretation easy at a glance.Preloaded Garmin Navionics+ charts cover U.S. coastal regions and the Great Lakes, offering exceptional contour detail, depth range shading, and a 1-year subscription for daily updates. Built-in Wi-Fi allows seamless sharing of sonar, routes, and waypoints with other ECHOMAP UHD2 units on board and connects directly to Garmin's free ActiveCaptain app for OneChart access, Quickdraw Community data, and software updates. With reliable navigation, real-time mapping, and high-resolution sonar, the ECHOMAP UHD2 54cv gives you the confidence to explore new waters like they're your home turf. Garmin Part Numbers: Without transducer: 010-02591-50 With transducer: 010-02591-51 5 in. keyed display Double the views with Garmin CHIRP traditional and ClearVAoe scanning sonars High-contrast scanning sonar featuring vivid color palettes WiFi connectivity between compatible chartplotters makes it easy to share info Mapping with Garmin Navionics+ inland and coastal content Technical Specifications: Dimensions: 7.4 x 4.8 x 2.4 in. Input: Yes Display Size: 4.3 x 2.6 in. Display Resolution: 800 x 480 pixels Display Type: WVGA, IPS Weight: 1.1 lbs. Waterproof Rating: IPX7 Mounting Options: bail or flush Maps & Memory: Accepts Data Cards: 1 microSD card - 32 GB maximum size Waypoints: 5,000 Track Points: 50,000 Tracks: 50 saved tracks Navigation Routes: 100 Sensors: Built-in Receiver: 5 Hz GPS and supports WAAS: Yes Built-in maps: Garmin Navionics+ Inland and Coastal: Yes Tide Tables: Yes Chartplotter Features: ActiveCaptain Compatible; Yes Sonar Features & Specifications: Sonar Display: Yes Power Output: 500 W Traditional Sonar (Dual Frequency Beam): built-in (single channel CHIRP, 50/77/83/200 kHz, L, M, H CHIRP) ClearVAoe: built-in 260/455/800/1000/1200 kHz SideVAoe: built-in 260/455/800/1000/1200 kHz Connections: 4-pin Transducer Ports: 1 Garmin Wi-Fi Network (local connection): Yes Electrical Features: Power Input: 9 to 18 Vdc Typical Current Draw at 12 Vdc: 1.0 A Maximum Current Draw at 12 Vdc: 1.5 A Maximum Power Usage at 10 Vdc: 18W In the Box: Without Transducer With Transducer Garmin ECHOMAP UHD2 54cv Power/data cable Tilt mount Flush mount Hardware Documentation GT20-TM transducer Garmin ECHOMAP UHD2 54cv Power/data cable Tilt mount Flush mount Hardware Documentation