How Automatic Parking Boom Barriers Work: A parking boom barrier is a mechanical or electronic gate with a long arm that moves up and down to control vehicle access. Access can be granted through cards, tickets, license plate recognition, remote control, or smartphone apps. Key components and benefits Boom arm, motor mechanism, and housing cabinet RFID, ticketing, ANPR, remote, ... https://theeliteautomaticdoors.com/automatic-parking-boom-barriers/