2. Smart Tag Information and Structure
RFID gets the data with radio frequency with the
technology that reader and antenna reads the data from
tags on objects. The function is quite similar to barcode
but it can recognize from a long distance and can read
many tags simultaneously, therefore can be used in
larger scope. Barcode is available for only
manufacturer and small information but RFID has
huge information such as when and where it is from,
and it at last is called ‘smart tag’. RFID system is
constructed with tag, reader to recognize tag
information and data process system.