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GPS is the most accurate option outdoors and works almost anywhere on Earth. Cellular, Wi-Fi and Bluetooth positioning fill the gaps indoors or where low power matters most. The best trackers often combine several of them.
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| Technology | Accuracy | Works indoors | Power use | Best for |
|---|---|---|---|---|
| GPS / GNSS | High outdoors | Poorly | Medium | Vehicles, outdoor assets |
| Cellular (LBS) | Low | Yes | Low | Fallback, rough location |
| Wi-Fi positioning | Medium | Yes | Low to medium | Urban and indoor |
| Bluetooth beacons | High at short range | Yes | Very low | Warehouses, small items nearby |
Many modern devices use GPS when they can and fall back to Wi-Fi or cell positioning indoors. This gives the best overall coverage and battery life.
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What is GPS Tracking and How Does it Work?
A plain-English explanation of GPS tracking: satellites, receivers, trilateration and how location data travels from a tracker to your screen.
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How Accurate Are GPS Trackers? Understanding Precision
How accurate are GPS trackers? Learn the typical accuracy outdoors, and how satellites, buildings, weather, device quality and Wi-Fi or cell positioning affect it.
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GPS Terminology Explained: Your Essential Glossary
An A–Z glossary of GPS tracking terms: GNSS, geofence, telematics, LBS, OBD-II, CAN bus, IMEI, ping rate and more.