K4


KRYPTO Bluetooth Mullion Keypad & Reader

CDVI’s KRYPTO K4 card reader facilitates high security!

This KRYPTO Bluetooth mullion keypad & reader is compatible with the ATRIUM BT mobile application and the KRYPTO Mobile-PASS. The K4 works with the secure protocol of CDVI, the encryption keys guarantee end-to-end encryption between the credential, the reader and the A22K door controller.


Technical Specifications:

  • Touch sensitive keypad
  • Fits a single gang box
  • 4 to 8 digit code
  • Compatible with ATRIUM A22K controller, ATRIUM BT App and
  • the Krypto Mobile-PASS
  • FULLY secure RS-485 connection
  • Reads KRYPTO Mobile-PASS, 13.56 MHz Mifare Classic and DESFire EV1/EV2 credentials
  • OSDP-2 compatible
  • NFC & Bluetooth
  • Up to 2” (5 cm) read range
  • Power requirements: 12 VDC
  • 1.9″ (L) x 5.5″ (H) x 1″ (D)
SKU K4
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