Alarm.com ADC-AC-ET10 Mullion Reader with Proximity, MIFARE DESFire, NFC and Bluetooth Low Energy

Deliver secure, modern access control across doors and entryways with the Alarm.com ET10 Mullion Reader. This Alarm.com smart reader combines encrypted MIFARE DESFire EV2, NFC and Bluetooth Low Energy (BLE) mobile credential support so businesses can transition from badges to phones without sacrificing security. With OSDP Auto-Detect and OSDP Secure Channel support alongside Wiegand compatibility, the ET10 integrates into existing access control and monitoring systems while enabling remote firmware upgrades for ongoing protection.

The compact mullion form factor fits narrow door frames and is rated for indoor/outdoor installation, offering a practical 4" operating range for reliable reads. Built-in accelerometer tamper detection, a tri-state LED light bar and audible beeper give immediate local feedback to users and security teams, improving daily operations and incident response. Ideal for corporate offices, multi-tenant buildings, and critical infrastructure, the ET10 supports legacy proximity credentials so you can upgrade on your schedule. Enhance your security, surveillance and access control strategy—contact us to add the Alarm.com ET10 smart reader to your next deployment.

• Enable secure, modern access with mobile credentials (BLE/NFC) to reduce badge costs and streamline employee entry
• Protect facilities with encrypted MIFARE DESFire EV2 and OSDP Secure Channel support for stronger credential security and remote firmware updates
• Preserve legacy investments with proximity (FSK/ASK) compatibility for a smooth migration to smart credentials
• Flexible deployment for indoor or outdoor mullion mounting with Wiegand or OSDP interfaces and a dependable 4" read range
• Built-in tamper detection, tri-state LED and audible beeper provide clear onsite feedback and reduce unauthorized access risks