RFID is a system for contact less collection of data from a tag which contains a Unique ID and customer data.
RFID is a technology for the identification of any kind of products and opens the door for many applications
Data from a tag can be read on distance of up to 10 m without any visible contact between reader and tag
The reader produces an electromagnetic field which generates the necessary power in the chip of the tag to respond back to the reader with tag ID and data.
Reader transfers the received data to an internal memory or a central database