GPS Units give you a precise location based on satellite technology. Most can give you a location within 3 meters no matter where on the globe you are adventuring. They are an inimitable navigational tool, especially in remote areas where getting lost could quickly become an unsafe situation. Most modern GPS units have built in maps and a range of features such as built-in compasses, speed tracking and distance mapping. The best GPS units for active people are acutely durable, so you do not have to worry about taking them on rough terrain or in abominable weather conditions with you. Exquisite brands include Liberty, WYNIT – Garmin Products and Spot Satellite Messenger.