CDVI A22K | A22KA22K Atrium Hybrid Two-Door Controller

The CDVI A22K is a controller designed for professional access control installations. The CDVI A22K ATRIUM Hybrid Two-Door Controller delivers a powerful, scalable, and highly secure access control solution designed for modern commercial and enterprise security environments. Supporting both traditional Wiegand readers and CDVI’s advanced KRYPTO high-security DESFire® EV2/EV3 credential platform , the A22K provides unmatched flexibility for organizations upgrading legacy systems while preparing for next-generation encrypted credentials and mobile access control technologies.

Built with end-to-end AES encryption , embedded HTTPS secure web server functionality, integrated power supply, mobile-ready support, and free ATRIUM software management, the A22K simplifies deployment while providing enterprise-grade performance. The controller supports up to 500 doors , 10,000 users , and 10,000 credentials , making it ideal for schools, healthcare facilities, office buildings, warehouses, industrial facilities, multi-tenant properties, and commercial access control installations requiring secure, scalable door management.