• 32-bit high-speed processor • Support RS485 and Wiegand(w26, w34) protocol • Build-in Mifare card reading module (Frequency: 13.56MHz). Meets the standard of ISO 14443-A. • Supports reading Mifare card No • Tamper-proof function • Build-in buzzer for status indication • Online upgrading • Accurate data and time display provided by built-in electronic clock and watchdog program to ensure the basic function of the terminal