An Example of RFID – Radio Frequency Identification    One area where you may have encountered RFID is while driving through the EZ PASS lane at a tollbooth. Radio waves are transmitted from the tollbooth, which activates the tag as the car approaches. Your billing information (probably in the form of an id code for your vehicle) is then transmitted from the tag to the reader. Your vehicle’s ID code is then converted into digital information that starts a billing process for the total miles you have driven on this toll road.    RFID allows us to track the movement of many different materials through the use of radio waves. This technology allows us to identify items, capture information and then retain all of the information automatically (without the use of manual labor). To perform these tasks there are typically three common components: RFID Tag Reader (with antenna) Computer (stores information)    The tag is embedded on a product and may be dormant or active depending on the technology being used and the amount of information needed. Typically a reader will send out radio waves that activate the tag. The tag will then respond and send information back to the reader. The reader will then convert the radio waves into digital data that may then be retained for any future needs (billing information, consumer analysis, etc.). - back -