The new Garmin GPSMAP 64, 64s, and 64st models offer improved positioning with WAAS and Glonass receivers. They have 2.6-inch anti-glare screens, quad helix antennas, and the 64s and 64st include electronic compasses and barometric altimeters. The devices are designed for cold, wet weather use and allow wireless sharing of waypoints and recharging of internal batteries. The 64s and 64st can connect to smartphones for real-time monitoring and satellite imagery subscription. They provide mapping, navigation, and memory for storing waypoints, routes, and tracks.