CDVI R2TEV2 RADIUM 2-Channel AES128 Remote DESFire EV2 tag

Deliver secure, dependable remote access for gates, automatic closers and alarm systems with the CDVI R2TEV2 RADIUM 2-Channel AES128 remote key fob. Engineered for professional security and access control applications, this key fob combines AES128 encryption with a DESFire EV2 passive tag to minimize cloning and eavesdropping risk while preserving fast, reliable authentication.

Operating at 433.92 MHz and offering an effective range up to 250 m (820'), the two-button transmitter lets installers assign separate channels for multi-function control—ideal for perimeter gates, garage doors, and alarm arming/disarming. The rugged handheld form factor and dual CR2016 batteries provide long service life and low maintenance for busy facilities and security teams. MIFARE/DESFire compatibility and hopping-code design ensure synchronized, tamper-resistant communications with modern access control readers and monitoring systems.

Choose the CDVI R2TEV2 when you need a compact, enterprise-ready key fob that prioritizes security, range and ease of use. Contact your CDVI distributor or integrate it into your next access control and surveillance deployment.

• Secure, tamper‑resistant remote access with AES128 encryption and DESFire EV2 tag to prevent cloning and unauthorized entry
• Long-range reliability: up to 250 m (820') operation at 433.92 MHz for gates, barriers and alarm systems
• Compact, rugged handheld design with two programmable buttons for simple on-site control and fast user operation
• Low-maintenance power with dual CR2016 batteries for dependable daily use and minimal downtime
• Compatible with MIFARE/DESFire ecosystems and KeeLoq hopping-code principles for synchronized, secure communications