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BlogsAsk The Experts ForumAre There Any RFID-based Techniques for Detecting Lost Children?

Are There Any RFID-based Techniques for Detecting Lost Children?

Posted By RFID Journal, 11.03.2017

Could active or passive radio frequency identification technology be used for this purpose?

—Revati

———

Revati,

Radio frequency identification cannot be used to detect a lost child. RFID is a relatively short-range technology used for identifying, tracking and managing objects or individuals. Passive RFID transponders can communicate with readers at distances ranging from a few millimeters to 30 meters or so. Active tags have a read range of several thousand meters. If you were to put a passive or active tag on a child, and if he or she were to become lost at a shopping mall, you would need to install readers throughout the mall to track that child. If the child were kidnapped, RFID would be of no use whatsoever.

There are Bluetooth-based systems available on the market that can alert parents via their smartphone if their child strays too far. That's a better solution for this application than an active or passive RFID system.

—Mark Roberti, Founder and Editor, RFID Journal

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