Standalone 7" GPS Chart Plotter System with Color LCD, External GPS Antenna & C-MAP 4D CardThe SVS-760C+ is an extremely powerful chartplotter, offering the ability to run both types of cartography on the same machine, enabling boaters to select the platform that works best for their region, personal preference, and specific boating needs on any given voyage. This machine also provides Navionics Sonar Chart Bathymetric recording capability, allowing boaters to survey their areas and have this data added to the Navionics Sonar Chart Database. The unit is also Navionics Community Layer-capable, allowing users to download the latest information for their chart area.Differences between SVS-760C & SVS-760C+The SVS-760C+ has an updated Android processor and only uses C-MAP 4D cartridges. Features: External GPS antenna Offers tremendous memory, with storage for 20,000 marks/waypoints, 100 routes, and 50,000 track points Designed for easy integration with SI-TEX&';s Metadata AIS module (or other AIS receivers) for enhanced situational awareness and safety at sea Contained a rugged, compact IPX-7 waterproof case that can be mounted indoors or out, on any style or size of boat Specifications: Cartography Brand: C-Map Screen Size: 7.5" Touchscreen: No Transducer Included: No