MULTIFUNCTION DISPLAY: With GO9, add GPS navigation, sonar support, radar capability, and much more to your boat: perfect for sportboats, center-consoles, and smaller cruisers. C-MAP DISCOVER: Included C-MAP DISCOVER card with full-featured Vector Charts, Custom Depth Shading, Tides & Currents, C-MAP high-resolution Bathymetric contours, and ultra-wide coverage in the US and Canada. SONAR SUPPORT: Add a sonar transducer (sold separately) and your GO series display works as a capable fish finder, complete with CHIRP technology for clear detection of fish throughout the water column. RADAR READY: GO9 offers safer cruising and more productive fishing with plug-and-play connectivity to Simrad radar solutions for powerboats of all sizes. BUILT-IN CONNECTIVITY: Mirror your display to a smartphone or tablet and get access to charts, radar and other functionality from anywhere on board. NMEA 2000 connectivity offers more integration options.