SPOT Gen4 Satellite TrackerSPOT Gen4 is a personal satellite tracking and SOS device. The 4th generation sees improvements in battery life, design and durability. SOS By Satellite Should the worst happen you can be reassured that your SPOT device will alert your emergency contacts (set up before your trip) as well as the FocusPoint International Emergency Response Center of your GPS coordinates at the push of a button. The transmission via satellite means that even in the most