GPS based tracking systems allow users to monitor vehicles, assets and people in real-time. Key features include real-time tracking, online alerts, reports on speed and location history. Tracking provides benefits like increased efficiency, cost savings, transparency and safety. The online system architecture sends location data via SMS/GPRS to a central server for viewing on a web interface. Common uses include fleet management, field force monitoring, goods transit tracking and fishing boat monitoring. Add-on modules offer digital locking and data logging capabilities.