Contactless card reading for Mifare cards such as IC card.
Communicates through RS-485 and Wiegand34 protocols.
Buzzer and indicator light.
Offers overcurrent and overvoltage protection.
Protects against lightning and short circuits, and is antistatic.
Watchdog monitors and controls the device when it behaves abnormally, performing recoveries when necessary to ensure the long-term operation of the device.