- br br Bargain Review - Magellan RoadMate 3030LM 4.7-Inch Portable GPS Navigatorbr br Ultra-wide 4.7-inch touchscreen display is 17 percent larger than standard 4.3-inch screensbr Lifetime map updates for up to four (4) map data updates per year, for the life of the GPS receiverbr Pre-loaded maps of U.S.