Navionics+ cartography in Blank modules differs from the Gold model in that it allows you to download maps from the Internet without the need for pre-programming. You must log in to the NAVIONICS website and follow the process step by step. NAVIONICS+ cartography is compatible with Raymarine SonarChart. NAVIONICS SUBSCRIPTION With the purchase of any Navionics+ cartography, a one-year subscription is included, along with daily updates and advanced features. After one year, you can renew at a discounted price. CHARTS AND UPDATES Nautical Charts – Complete and up-to-date cartography, derived from numerous official, government, and private sources, displayed in a way that makes them easy to consult. HD SonarCharts – Innovative fishing maps with 0.5 m depth contours created with Navionics proprietary systems that enrich existing content with echo data provided by the user community. Community Edits – Data provided by Navionics Boating app users that add valuable information accessible on your compatible smart device. Daily Updates – Up to 5,000 daily chart updates give you the most accurate and up-to-date chart data available. ADVANCED FEATURES Route Guidance Technology Dock to Dock – Start your journey by following a recommended route. Advanced Map Options – Customize your view to focus on the details that matter most. Plotter Sync – Transfer routes and markers, update chart layers and more between your compatible GPS plotter and the Boating app. SonarChart Live Mapping – See new depth contours changing in real time as your boat moves through the water in HD. COVERAGE AREAS Worldwide chart coverage is available, with integrated content making it easy to select the navigation features and chart regions you want. Choose from large coverage areas.