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DamnScalper wrote

So you could hack a RFID label? Say put the code of a cheaper item?

1

bwqrdsaf wrote

RFID can't be changed (only deactivated) but generally scanner only looks for the bar code which are black and white stripes about 1" by 1" (2.5cm by 2.5cm) with 10, 12, or 13 numbers below it. Changing that will fool scanner but don't get too greedy like that one couple who used 29 cents notebook UPC on dozens of $25 baby formula cans.