Model : AR-721 (H)
Name : Keypad Access Controller
Description : Combined to read, control and set



  • RS – 485 Communication interface
  • Supporting WG port for anti-pass back function
  • TTL serial output for various application and lift control
  • 2 optional frequencies: 125KHz / 13:56MHz
  • 3 Control Modes: M4/ M6/ M8
  • User Capacity: 1,024; Event log: 1,200
  • 3 control modes: Card only, Card or PIN, Card and PIN
  • Built – in Watchdog to prevent system from hanging
  • Built – in Real Time Clock & Anti – Tamper functions
  • Including the input of door contact, offering the alarm system of both door opening too long and being forced to open
  • Built – in Multi – Output: Door Lock/ Alarm/ Arming/Duress / Card Presenting
  • 11 sets of time zone for various accessing in network
  • 2 sets of Auto – Open Zone editable by Standalone operation
  • Intelligent to shift for standalone or networking mode while system disconnected
  • Auto – lock of the keypad for 30 seconds after continuous failed operation by 3 times
  • Coordinating with software’s for further application on access control, time attendance, payroll, and door/sensor image – monitor function
  • Flexible to integrate with other equipment
  • 1 bi-color LED and 1 beeper for identification


Frequency 125kHz13.56MHz
Data Standard EM StandardISO 14443A/B
ISO 15693
Reading Range 10 - 18cm2 - 8cm
Power Supply 9-16 VDC
Power Consumption < 3W
Communication Interface RS-485
Baud Rate 9600 bps (N,8,1)
Operating Temperature -20 °C + 60 °C
Digital Input Egress(R.T.E) / Door Contact
Relay Output Lock Relay
Lock Relay Time Toggle, 0.1-600 Sec.
Alarm Time Toggle, 1-600 Sec.
Tamper Switch Limit Switch (Form C)
User Capacity
            M4, M8

Event Log 1,200
External Reader 1 WG Port
Anti-Pass-back Yes (M4, M8)
Lift Control 32Stop. 1,024 Users
Serial Port Yes
Real time Clock Yes
LCD Panel No
Door Bell Button No
Transistor Output Arming LED/ Alarm/ Duress/ Security trigger signal
Protection Standard No
Indicator 31 Bi-Color LED & 1 Beeper
Keypad Material Rubber
Housing Material ABS
Time Zone 11/63 Connect to Multi-Door Networking Controller
Operation Mode Standalone / Networking
Color Gray / Silver
Dimension (mm) 111{L} x 77{W} x 26{H}
Weight (g) 100 ± 10