How Can I Track Movement via RFID?

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Ask The ExpertsCategory: QuestionsHow Can I Track Movement via RFID?
Justin Mako asked 4 months ago
I’m doing a university project using RFID and I’m not too sure how to start. Any help would be appreciated. Would it be possible to track movement from point A to point B using RFID (let’s say they are about 10 meters apart) while having some type of field or reference to start at A and end at B? This is so I can evaluate the time it takes to get from points A to B. How could I get this done?

—Justin

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Justin,

Having a system that tracks movement typically relies on an active RFID system. That means setting up ultra-wideband (UWB) or Bluetooth Low Energy (BLE) sensors. The latest specifications of BLE technology, for instance, can track movement and identify location within a meter or less. UWB provides very precise location, even to within a matter of centimeters. Passive RFID, such as UHF or HF RFID tags, while less expensive and battery-free, would not provide the kind of location reference to enable movement detection. Good luck with your project!

Claire Swedberg
Senior Editor
RFID Journal

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