RFID controllers are simple and easy to use RFID technology-based hardware component that efficiently reads radio-frequency identification (RFID) tags, which enables to open door locks. The RFID controllers provide an efficient access control solution to restrict the entry of an unauthorized person within your premises or facilities. Mivanta brings innovative stand-alone RFID controllers that have a built-in RFID reader, internal memory system to store the list of RFID identification tags in an approved list of IDs, and a microprocessor. The devices offer excellent transmission performance to utilize them for access control applications.