RFID is known as Radio Frequency Identification. This is a technology where radio waves are used to track an item. For instance, a library book can be tracked by this technology. The technology is like mobile phones. By using radio frequency identification, objects or people can be automatically identified.
Different methods for identification are there but the most common is to keep a serial number. This can be stored on a microchip that is connected with an antenna and detect an object, a person or other information. You may search for the RFID Chip Timing Carmel Indiana on the Internet to get more information.