A Discussion of RFID Technology...

RFID technology is another form of automated identification system, which is similar to bar codes. The recent history of RFID in this century includes: Technology was developed in the 1940's for defense applications. Market acceptance of the technology happened in the 1980's for cattle tracking applications. Recent interest is in making RFID technology more ubiquitous in the global value chain.

There are three main components of RFID technology: the RFID tag, the RFID antenna, and the RFID Reader. The RFID reader is the intelligent interface for the RFID information into the value chain.

RFID tags come in active and passive forms. Active tags leverage battery power. Passive RFID tags receive their power from the RFID antenna. Active tags sometimes...

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