SMARTair® Cylinder

The SMARTair Knob Cylinder is an easy-to-use, simple-to-install and highly effective electronic cylinder that can be integrated with other SMARTair locking elements − escutcheons, wall readers, e-motion − in one Access Control system managed by SMARTair Software.

The Knob Cylinder is upgradable from Standalone to Offline/Update-On-Card and/or Wireless, making it the perfect solution for both new and retrofit installations.

Mechanical Features

  • Freewheeling knob until an authorized credential is presented
  • Motorized clutch activates cylinder cam

Compatible with Lockwood commercial mortise locks (oval cylinder)

Electronic Features

Reader Module:

  • 13.56 MHz, MIFARE® Classic or iClass technology (available on request)
  • Contact-less cards/tags
  • Opening distance: 10mm with standard cards
  • Programming device connection located on the front section of the electronic knob
  • Indication light: Red & green LED

Control Unit:

  • Non-volatile memory
  • Programmable in 3 modes: Normal mode - 1,500 users and 600 audit trail entries, Extended mode - 1,000 users and 1,000 audit trail entries, High traffic - All users of the installation have access and 1,000 audit trail entries
  • Real-time clock and calendar - 28 time zones

-- 30 Time zones with 5 time periods each (week days and holidays selectable).

-- Door State Control: Ability to configure upto 20 changes of operating modes in a door per day e.g. switch door from lock to unlock, first user unlock etc.

-- Yearly Holiday calendar: Ability to manually enter the holiday calendar for every year.

-- Automatic DST: Daylight Saving Time change. Updated with calendar.

RF Module (Wireless):

  • Frequency 915MHz
  • Serves to send updates from the hub to the cylinder, and to send audit trail from the cylinders to the hub
  • Encrypted communication
  • Distance between the RF module and the hub: 25m

Battery Module:

  • 1 x CR123A Lithium battery
  • Estimated battery life: 40,000 cycles; 2 years in standby (for the wireless model: 1-2 years in standby)
  • Simple battery change; no dismounting required


  • 85% humidity without condensation
  • Temperature range: 0°C to 70°C
  • IP55 (extreme model)