Rfid is a very valuable business and technology tool it holds the promise of replacing existing identification technologies like the bar code rfid offers strategic advantages for businesses because it can track inventory in the supply chain more efficiently provide real time in transit visibility itv and monitor general enterprise assets. A tag in a passive rfid system is a little transceiver waiting to be turned on and no that doesnt happen by seeing a tag of the opposite sex the tag has a small computer chip or memory area that is programmed with information that uniquely identifies the tag this information is sent when the tag is activated turned on. Buy the paperback book rfid for dummies by patrick j sweeney at indigoca canadas largest bookstore free shipping and pickup in store on eligible orders many companies have asked suppliers to begin using rfid radio frequency identification tags by 2006 rfid allows pallets and products to be scanned at a greater distance and with less effort than barcode scanning offering superior . Rfid for dummies sweeney ii patrick j 9780764579103 books amazonca skip to main contentca hello select your address books hello sign in account lists account returns orders cart all