Lone worker tracker | Spot Gen 4 is a small GPS enabled, yet robust device that is perfect for outdoor workers, including those in remote locations where mobile phone signal cannot be guarenteed.
SPOT Gen4 Review - Mountain Weekly News
SPOT Gen4 Review: Better Maps, More Messages, and Auto-Send | GearJunkie
Globalstar Spot Gen4 Satellite Tracker Black | Trekkinn
Spot Gen 4 review | Cross Country Magazine – In the Core since 1988