10 ms·
How does that work? Can the checkout machine read the tags inside the bag? I'd prefer if my groceries didn't advertise themselves as I walk down the street.
by icebraining 7y ago
How does that work? Can the checkout machine read the tags inside the bag? I'd prefer if my groceries didn't advertise themselves as I walk down the street.
- ank9 7y agoCheckout machines will have RFID readers. When you place your bag inside RFID reader, all tags will be read. UHF based RFID readers are better since they have more than 1 meter of read range.