I know that clothing stores items usually have some kind of RFID tags in them. But what about food items in grocery stores, say, a carton of milk? Are tags still embedded in them?
I’ve also read that scanning a barcode esentially deactivates the tag inside. But wouldn’t that mean that people can scan items and then not pay without setting the alarms off?
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Some expensive items like electronics have RFID tags, which can set off alarms if not deactivated. But for most food items, there are no embedded tags. Instead, stores rely on barcodes. Scanning a barcode doesn’t deactivate a tag, but alarms are triggered if someone tries to leave without paying, as the barcode needs to be properly scanned at the checkout.
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