The access control reader uses electronic technology, smart card technology, radio frequency communication technology, cryptography and other technologies to read and identify the user card, and transmits the user card information to the access control controller for processing through Wigan protocol. It is mainly used as a sub device of the access control controller, and can also be used as an independent product to connect with a third-party system. It belongs to one of the typical applications of RFID in the security field.
