RFID: A Smart Tag Primer

Good things come in small packages. This familiarforecasting. Because RFID does not require
cliché usually refers to precious stones, butline-of-sight operations (contrary to manual bar code
today it's taken on new meaning, in that small thingsscanning) the end users achieved improved inventory
are now protecting items we deem valuable.control with reduced labor costs.
Analysts estimate that the retail industry loses USEncouraged by their success, British retailers Marks
$50B a year to theft and up to ten times that much& Spencer and Germany's Metro AG quickly
to counterfeiting. High-end products such asadopted RFID applications in their production and
cosmetics, fragrances and pharmaceuticals are mostdistribution channels. The US Department of Defense,
likely to be stolen or counterfeited. Many retailers andBenetton, CVS, Home Depot, Gap, Target, Kohl's,
manufacturers believe that this big problem mayTesco, Coca Cola and Albertsons have all begun
have a tiny solution - RFID smart tags.incorporating RFID into their supply chain operations.
RFID (Radio Frequency Identification) is an automaticIn 2004 Wal-Mart issued a mandate that their Top
data capture technology that offers unparalleled100 suppliers become RFID compliant by 2005, and
accuracy in inventory control and supply chainthe FDA plans to convert to item-level RFID
management. Although RFID is a relative newcomerdistribution tracking by 2007.
to the media spotlight, the technology has beenIn spite of strong industry support for RFID,
quietly working its way into our culture and into ourwidespread adoption of the technology has been
lives since it was drafted by the military 60 yearsslow. One reason for the delay is the lack of uniform
ago.standards for network and data management. For
The US Department of Defense first used RFID toexample, smart tags are currently available in low,
track military aircraft during World War II. Since then,high or ultra-high frequency versions, with read
this compelling technology has been used extensivelyranges of as little as a few inches to as much as 30
in highway toll collection, building security, libraryfeet. AIM Global is a consortium of RFID developers
circulation, parcel delivery and airport luggageand suppliers who are working to establish global
transportation.RFID standards. Their goal is to educate
What exactly is RFID and how does it affect themanufacturers and suppliers about the potential
future of packaging?benefits of RFID, and to provide the education and
RFID functions as a network of microchip "smartresources necessary to realize ROI from the use of
tags" and receivers. Each smart tag is embeddedthis technology.
with a unique electronic product code (EPC) and aCost and quality concerns have further dampened
micro-antenna. Once assigned, the EPC becomes aenthusiasm for RFID. Tag failure rates are reported
DNA-like marker for the item, identifying it fromto be as high as 20% to 30%. At an average cost
every other item in the world. When a tagged itemof $.30 per tag, many suppliers find the prospect of
passes within range of a reader, the reader retrievesitem-level tagging prohibitive.
the EPC via radio waves, identifies the item and itsSo far, RFID compliance has been the responsibility
exact location, and relays this real-time information toof suppliers. Retailers have generally refused to
a central computer. Taken together, the series ofaccept any price increases resultant from RFID
transactions comprise a comprehensive record of thestart-up expenses. As a result, suppliers have had to
tagged item's movement from point of origin to pointeither absorb the cost of becoming RFID compliant
of sale.or risk losing lucrative commercial contracts.
The greatest promise of RFID lies in its applicationHowever, as RFID becomes the norm manufacturers
versatility. Smart tags can be affixed to eitherwill look for converters who can provide pre-tagged
individual products or to pallets containing multiplepackaging that is market-standard compliant and
units, and can be "read" through most materials. RFIDready for entry into the RFID regulated supply chain.
readers can scan multiple items at one time, makingTechnology is inherently evolutionary. The logistics of
them functionally superior to traditional, uni-task barRFID are changing rapidly, with ongoing
code scanners.advancements in ink, labels and methods of smart
Scientists at the Massachusetts Institute oftag attachment. In a future article I will explore
Technology (MIT) Auto-ID Center began to explorespecific developments in converting techniques and
commercial applications of RFID in 1999. Wal-Mart,the impact of this compelling technology on the
The Gillette Company and Proctor & Gamblepackaging industry.
were among the first to conduct pallet-level pilotCopyright ©2005 by Dennis Bacchetta. All rights
tests. They quickly found that RFID offers improvedreserved.
supply chain visibility and more accurate inventory