Amazon.com: PAJ GPS Power Finder – Car GPS Tracker up to 90 Days Battery Life, Magnetic GPS Tracking for Cars, Boats or Trucks, Tracking Device for Vehicles with Location, Route & Speed
POWER Finder 4G GPS Tracker - Real-time Tracking
Solar Powered GPS Asset Tracker | Piccolo ATX2S
Battery Asset Tracker
Low-power GPS - Abeeway
A tracking device that uses animal movements as a power source
GPS transmit power (L1 C/A code) vs. PRN | Download Scientific Diagram