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Radio Frequency Identification Essay

815 words - 3 pages

     RFID is the inventory management of the future. With the help of this technology companies will have total supply-chain visibility, improved product in-stock rates, and protection against counterfeiting.

     Radio Frequency Identification (RFID) is a technology that’s been touted as a replacement for Bar Code. RFID tags resemble the size of a postage stamp that has contained with in a minute microprocessor with storage capability, as well as an antenna which communicates with the network and ultimately a database. The characteristics of RFID let it be easily adopted and integrated with any object that can be tagged- this object may even be consumers. Because of this some people are a little wary of the technology. A lot has been reported in the media regarding the use of RFID and how marketers will adopt the technology by tagging products to monitor and track consumer user habits. This seems to be inciting privacy advocates who think RFID is the answer to Big Brothers prayers. These kind of reports can be damaging to the technology and distract consumers from the benefits of it.
     At a recent Embedded Security Seminar conference in Boston, one of the main speakers a renowned authority on RFID predicted that more than half a trillion RFID tags will be consumed annually by the decades end. RFID is not a new technology; it has been around in one form or another for awhile now. Julie England, VP of Texas Instruments Inc. and general manager of its RFID business said that one analyst has called RFID “the oldest emerging technology.” (

How RFID works
     In order to embrace the3 technology one must be able to understand how it works. While tags and standards are critical drivers for analysis for deployment purposes, three other areas are also critical: RFID readers, middleware, and current processes and systems.
     Tags can either be active or passive:
•     Passive tags do not posses a power supply, and the minute electrical current induced in the antenna by the incoming radio frequency scan provides enough power for the tag to send a response. The tag will briefly converse with the reader for verification and the exchange of data. As a result passive tags can only transmit information over shorter distances (typically 10 feet or less). Since they are low in cost they are ideal for tracking lower cost items.
•     Active tags have their own power supply, and have longer ranges and larger storage capacities as well as the ability to store...

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