Radio-frequency identification - Wikipedia
https://en.wikipedia.org/wiki/Radio-frequency_identification
OverviewUsesHistoryDesignRegulation and standardizationProblems and concernsControversiesSee alsoAn RFID tag can be affixed to an object and used to track tools, equipment, inventory, assets, people, or other objects. RFID offers advantages over manual systems or use of barcodes. The tag can be read if passed near a reader, even if it is covered by the object or not visible. The tag can be read inside a case, carton, box or other container, and unlike …
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