CDVI K2 is a factory‑programmed, high‑security mullion reader for 13.56 MHz MIFARE® and DESFire® EV2 credentials. It supports CDVI KRYPTO diversified key authentication and provides end‑to‑end encryption when used with compatible CDVI controllers. The reader includes built‑in Bluetooth and NFC for mobile credentials (KRYPTO Mobile‑PASS / ATRIUM BT), and supports RS‑485/OSDP communications for integration with CDVI ATRIUM/A22K controllers.

• High security: Supports MIFARE Classic and DESFire EV1 & EV2 with CDVI KRYPTO diversified key (AES128‑level security as stated by CDVI).
• Mobile credentials: Built‑in Bluetooth and NFC for ATRIUM BT / KRYPTO Mobile‑PASS smartphone credentials.
• Communications: RS‑485 interface with OSDP compatibility for secure controller integration.
• Rugged design: IP65 ingress protection and IK10 impact rating — suitable for outdoor and harsh environments.
• Power: 12 V DC supply, typical consumption 200 mA.
• Form factor: Slim mullion surface‑mount (127 × 47 × 21.5 mm).

Use cases: Ideal for high‑security door entry on narrow mullions, retrofit access control upgrades, and systems requiring mobile credential support. Commonly used with CDVI ATRIUM/A22K controllers for full KRYPTO end‑to‑end encryption.

Installation & safety: Requires a 12 V DC supply and connection to a compatible CDVI controller via RS‑485/OSDP. Professional installation by a qualified installer is recommended. Follow the official CDVI quick‑start and datasheet for wiring and configuration.

Compliance & certification: INSUFFICIENT DATA on CE/UKCA or other specific certifications in the supplied materials — refer to official CDVI documentation or contact your supplier for certification details.