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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The RFID tag is under a sticker. You can see a square loop of metal antenna against a light. Not all goods have them. Here alcoholic beverages and fish roe have reusable tags. Some goods might come with a tag from the factory. I’ve seen Philips lightbulbs have them. Some expensive goods are in a bigger box that the cashier opens.
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