RFID is like bar coding. Bar code includes coded labels and a reader that are associated to an item. Radio frequency identification technology involves a reader and unusual RFID tools that are connected to an item. For sending information from the chip to reader, bar code utilizes optical signals but RFID utilizes radio frequency signals for this purpose.
Radio waves can make link with an item to which an RFID device is associated and an RFID reader. In order to get adequate information on RFID technology, you may search for RFID Chip Timing Edinburg Texas on the Internet.