Top Selling GPS Trailer Tracking Solutions

The ST-312 is a small, self-contained, hard-wired with a battery backup, Real-Time GPS Trailer Tracking Device. High impact plastic design, waterproof to up to 5 feet, track your heavy equipment or fleet trailers, choose 10 or 30 Minute updates with full reporting capabilities, lower your insurance rates and increase recovery chances of stolen items!


  • 10 or 30 minute updates
  • Unauthorized Movement Alerts
  • Internal Antennas (GPS/cellular)
  • Low Startup Cost
  • Battery Backup
  • Low $12.95 Monthly Plans
  • Customizable Geo-Fence Feature


  • Up to 180 Days of historical data saved online.
  • Snail Trial of for each day
  • Email Reports


  • Location and routes, by detailed color map, satellite image, and address;
  • Online Reports of Mileage, Stops, and Moves;
  • Vehicle closest to your customer;
  • Details of continuous activity during the past 6 months;
  • Alerts: Vehicle Speeding (you set the limits)
  • Geo Fencing Capabilities