AR321H Vandal Resistant Illuminated Touch-Panel Keypad

A compact, touchpad door access with anti-vandalism design to prevent damage or tampering.

Product Description: 

AR321H is a card access reader typically installed at the door to restrict unauthorized access. It reads EM or Mifare proximity cards. It supports an RS485 connection, 3000 users and 1500 event memory. It has a built-in illuminated touch panel keypad. 

Product Features: 

  • Built-in hardware watchdog, real time clock, arming, force alarm, door close delay alarm, doorbell and duress code & output
  • Built-in door auto open time zone, holiday edit, door group & time setting. With multi-door control panel, support more time and group sets
  • Standalone / Networking / Support Cascade Structure
  • Support RS485 communication encryption, SSC (Soyal Security Communication)
  • In-field firmware upgrade
  • Support DESFire tags (Crypto comply with EAL4+)
  • Multiple access mode: card only, card or password, card and password
  • Multi output: door lock output (0.1-600 sec. and toggle mode)& alarm output (1-600 sec.)
  • Silent operation mode: push button mute and all mute
  • Auto relock for anti-trailing and sneaking
  • Access control, lift control, time attendance, payroll and SCADA: graphic monitoring & remote control function
  • Can be an encrypted RS485 reader if utilized with other brand’s controller


Technical Specification:

ModelAR321HAR321H_M
Frequency125KHz13.56MHz
StandardEm StandardMifare ISO14443A
Reading Range(Depends on Tags)3-7cm1-3cm
Power Supply10-24VDC
Power consumption<3W
Baud Rate RS-485
Temperature9600 bps (N, 8, 1) 
Digital InputEgress (R. T. E.)/ Door contact x2
Relay OutputLock Relay
Lock Relay TimeON/OFF, 0.1-600 Sec.
Alarm TimeToggle, 1-600 Seec.
Tamper SwitchLimit Switch (Form C)
User CapacityM4/M8 – 3,000
M6 – 65,000
Event LogM4/M8 – 1,500
External Reader1 Weighted Port
Anti-passbackYes (M4/M8 only)
Lift Control32 Floors, 3,000 Users
Serial PortYes
Real Time ClockNo
Transistor OutputArming LED (or Security trigger signal) /Alarm / Duress
Ingress ProtectionIP56
Indicator3 LED & 1 Beeper
Keypad Material Illuminated Touch Panel
Housing MaterialZinc Alloy
Time Zone11/63(Connect to Multi-Door Networking Controller)
Operation ModeStandalone/ Networking
Color Chrome
Dimensions (mm)114(L)X78(W)X33(H)
Weight (g)290±10
MAGAccess Control System
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