Standard Horizon's CP-180 5 inch, Sunlight Viewable Color Chartplotter with the external antenna has many outstanding features including: An External WAAS GPS Smart Antenna - 2 nm Worldwide Background Map included - C-Map Max or NT+ Award Winning Cartography Optional - Customizable Data Windows - GPS Status, Chart, Navigation, Highway, Celestial, Tides, *Chart/Fish, *Fishfinder Pages - 600 Marks, 20 routes - NMEA Input/Outputs - Able to show targets when connected to an external AIS receiver - VHF DSC Polling capable - Swivel Mounting Bracket included.
*When optional FF520 connected.
For a full list of features, go to Standard Horizon's website at: http://www.standardhorizon.com