Alarm.com ADC-AC-ET25 Keypad Reader with Proximity, MIFARE DESFire, NFC and Bluetooth Low Energy

Secure door entry and seamless credential management are the core benefits of the Alarm.com ADC-AC-ET25 keypad reader. This Alarm.com keypad reader combines proximity, MIFARE DESFire EV2, NFC and Bluetooth Low Energy (BLE) support to give businesses flexible, secure options for employees and visitors. With native mobile credentials and BLE unlock capability, you can reduce badge costs and simplify user provisioning while maintaining strong encryption.

Designed for professional access control environments, the ET25 supports OSDP auto-detect and OSDP Secure Channel for encrypted communications and remote firmware upgradability, plus a Wiegand interface for legacy integrations. The reader’s tamper-detect accelerometer, tri-state LED and audible beeper provide clear situational feedback for staff and installers. Rated for indoor and outdoor use, it’s ideal for commercial offices, retail, healthcare and other facilities requiring robust security and monitoring.

Add the ADC-AC-ET25 to your security and surveillance strategy to modernize access, improve monitoring, and protect occupants. Contact us to evaluate compatibility or upgrade your access control system today.

• Streamline credential migration: supports proximity, MIFARE DESFire EV2, NFC and BLE so you can move to encrypted smart credentials without disrupting operations
• Mobile-first access: enable Alarm.com mobile credentials to eliminate badges, speed entry, and simplify administrator provisioning
• Future-proof secure communications: OSDP Secure Channel and remote firmware upgrades protect communications and reduce on-site maintenance
• Broad compatibility and retrofit-friendly: Wiegand and OSDP auto-detect plus legacy FSK/ASK support for easy integration with existing access control systems
• Durable, tamper-aware design: indoor/outdoor rated with accelerometer tamper detection, tri-state LED and audible feedback for reliable day-to-day operation