The Garmin Marine Network is a proprietary ethernet-based network that seamlessly connects several plug-and-play marine components, delivering position data, charting, weather, sonar, radar and other important data to boaters' fingertips. The entire system is waterproof and completely plug-and-play. Anchors of the new system are the multifunction displays (MFDs) which are powered by a high-speed processor and graphics controller and automatically detect any and all peripherals once they're connected. They communicate with the Garmin Marine Network through a 100-megabit Garmin-proprietary ethernet-based network. Boaters can connect a GPS antenna and one remote sensor directly to the MFD, or, with the addition of the GMS 10 Network Port Expander, users can connect multiple MFDs and sensors to the same network. Each networked MFD can be configured independently.