AJAX 42831.89.BL Contactless Card, 100-Piece, Black

Streamline secure access for tenants, staff and contractors with AJAX contactless proximity cards — a reliable, installer-friendly solution for modern access control and security monitoring. The AJAX 42831.89.BL smart cards use DESFire® (ISO 14443) technology and 128-bit (16-byte) encryption to deliver robust copy protection and anti-cloning protection, minimizing vulnerability across buildings and critical infrastructure. Operating at 13.56 MHz, these printable black cards provide consistent read range and fast authentication for KeyPad Plus and other Ajax readers. Delivered in a 100-piece pack, they accelerate deployments for property managers, systems integrators and security integrators, while the Ajax app enables naming, granular access permissions and real-time revocation for centralized surveillance and event logging. Integrate these proximity cards into access control, CCTV-linked workflows, and facility monitoring setups to maintain audit trails and immediate response capabilities. For high-volume installations that require branded IDs, the printable surface supports card personalization. Order the AJAX 42831.89.BL 100-pack to simplify secure entry, reduce false alarms, and improve operational control across your sites.

• Tap-to-disarm convenience: contactless DESFire® cards let staff and tenants change security modes instantly with a simple presentation to the keypad.
• Enterprise-grade protection: ISO 14443 DESFire technology with 128-bit (16-byte) encryption and copy protection prevents cloning and unauthorized access.
• Scalable access management: one card can be assigned across up to 13 Ajax hubs and permissions are configurable in the app.
• Real-time control and auditing: administrators can revoke or limit access immediately and review event logs for monitoring and compliance.
• Installer-friendly bulk pack: 100 black, printable cards per pack speed deployment for multi-site projects and branded ID printing.
• Compatibility and reliability: 13.56 MHz operating frequency ensures consistent proximity performance with modern access control systems.