Question

A RFID tag is used in a retail store to ensure that customers do not remove an item from the store without paying. Explain how the RFID tag is used in this context

Answer 1

The RFID tag that is attached to the store item, contains a memory chip with data, When the tag is not removed after paying, and the client exits, the RFID reader, placed at the exit, reads the data using radio waves which can set of an alarm