RFID includes radio waves to detect the objects. This is performed in several ways. The most common process for detection is to keep a serial number and other important information on a microchip that is attached to an antenna. Most of the RFID systems can be classified into 3 basic elements. They are the microchip that includes program with information.
The second one is antenna that allows the information to be sent. Last component is a radio transponder that is designed for decoding the stored information. You may search for the RFID chip timing Anchorage Alaska to get more information on this regard.