Small chips of RFID are added in the gadgets like cards, tags and labels. RFID gadget is scanned by a reader to get the information from these chips. The chips are integrated with badges that are passed by the reader for obtaining access to the workplace. These tags can be installed on the vehicles like trains, trucks and the cars.
A RFID tag is included into a moving car to activate the gate arm while the vehicle is near the location. In order to get more information on this regard, you may search for the RFID chip timing Baltimore Maryland on the Internet.