RFID refers to radio frequency identification. This is the latest technology to facilitate the identification process. Unlike bar code process, RFID technology does not require to be placed near the reader or scanner. High frequency devices can get the signal apart from a certain distance.
So it is not required to perform checkouts in this technology. By this technology crucial information are stored in RFID tags. These tags are like small grains of crop. You may search for the RFID chip timing Bridgeport Connecticut to get more information on this regard.