Raymarine c95 9-Inch Multi-Function Display with Lighthouse US Coastal Charts Built-in high sensitivity GPS receiver and also has dual chart reader slots for Navionics charts on micro SD card Networking Powerhouse with built-in Wi-Fi and Bluetooth wireless networking Networking including seatalk-hs, sea talk-ng, NMEA2000, NMEA 0183 and one composite video Input Network up to 6 displays together