High security PoE Ultra controller/expander

Ref: F0115000023

The A22K controller is the key component of CDVI’s high security KRYPTO solution, with end-to-end military-grade encryption built in. Accompanying a new generation of readers and credentials, the A22K makes high security mainstream. This A22K-POE expander module controls up to 2 doors and 4 readers.

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Key features

  • Controller/expander module for up to 2 doors and 4 readers

  • 66-Watt PoE enabled 

  • Includes free software & free Finder app to make installations easy

  • Capacity for up to 500 doors and 10,000 users - ideal for small to medium projects

  • PCB contained in a robust lockable metal case for extra physical security

Downloads & links


  • Technical specifications

    • Card / reader technology
      Compatible with proximity, MIFARE, and DESFire EV1/EV2 readers and controllers
    • Security Level
      High security AES encryption
    • User Limit
      Up to 10,000 users
    • Number of Relays
      2x Form C relays (dry contact)
    • Mounting
      Surface mount in a robust lockable metal case
    • Min Temperature (°C)
    • Max Temperature (°C)
  • Electrical specifications

    • Max Voltage (V)
      56Vdc power input
    • Voltage AC/DC
      DC power input
    • Battery included
      1x 12Vdc, 4.5Ah or 7Ah gel type battery
    • Lock Output
      2 x 12V, 750mA (1xmaglock, 1xstrike or 2xmaglocks/strikes)
  • Certifications

    • IP Rating
  • Appearance

    • Surface Material
      Robust lockable metal case
  • Dimensions

    • Product Height (mm)
      280 (case)
    • Product Width (mm)
      290 (case)
    • Product Depth (mm)
      80 (case)
    • Product Weight (kg)
ATRIUM System Architecture | ATRIUM access control with K2 high security reader and tag

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