RFID tracking would be my first guess. If you want to know where a tag is, you need multiple readers. Are they roughly in a grid pattern?
A second guess, are there e-ink tags in this store? These might be repeaters for programming those.
RFID tracking would be my first guess. If you want to know where a tag is, you need multiple readers. Are they roughly in a grid pattern?
A second guess, are there e-ink tags in this store? These might be repeaters for programming those.
Likely something like this
https://www.fresh222.com/loss-prevention-system-for-retail-stores-and-warehouses/
Could just be used to program digital price tags on the shelves, I've installed similar looking devices in stores years ago.
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