Control exactly who comes and goes.
Alarm.com ADC-AC-ET10 — Mullion Reader with Proximity, MIFARE DESFire, NFC and Bluetooth Low Energy. Compatible with Altium 360 self-monitoring or 24/7 professional monitoring.
In stock — ships in 1–2 business days- Issue, revoke, and schedule credentials remotely
- Full audit trail of every door event
- Scales from a single door to entire campuses
- Works with the Alarm.com app on iOS and Android
- Compatible with Altium 360 self and 24/7 professional monitoring
- Self-monitoring included
- Pro monitoring available
- Upgrade anytime
- Mobile app included
- Cellular backup
- Emergency dispatch (where available)
Pricing varies by package and monitoring plan. See Home packages or Business packages.
Built on Alarm.com — the platform behind millions of professionally monitored homes.
This device is part of the same ecosystem trusted by leading security dealers across North America. It's designed to be reliable when it matters — and to keep working when consumer-grade smart home gear gives up.
- Engineered for professional monitoring — not a hobbyist cloud you'll outgrow.
- 99.9% platform uptime with dual-path cellular + Wi-Fi failover, so signals get through even if the internet is cut.
- Encrypted video with on-device edge AI — people, vehicles, and animals are recognized locally before anything is uploaded.
- Dealer-only hardware tier — not sold on Amazon, not repackaged from consumer parts.
- Crash & Smash protection: the panel signals monitoring the moment it's tampered with, not after the countdown.
- Geofencing, smart schedules, and one-tap arming built in — no third-party subscriptions.
About the Alarm.com ADC-AC-ET10 Mullion
The Alarm.com ADC-AC-ET10 is a high-performance mullion-mount access control reader designed to provide flexible and secure entry management for modern businesses. Its slim profile makes it an ideal solution for installation on narrow door frames or in environments where mounting space is limited. By supporting a wide array of credential technologies, this reader allows organizations to transition from legacy proximity cards to advanced, encrypted smart cards and mobile-based access without replacing hardware.
This reader is engineered for future-proof security, integrating support for MIFARE DESFire EV2/EV3 and NFC for high-frequency encrypted communication. Additionally, the built-in Bluetooth Low Energy (BLE) capability enables touchless entry and mobile credentialing via smartphone, enhancing user convenience while maintaining strict security protocols. Its rugged design ensures reliable performance in diverse environmental conditions, making it suitable for both indoor and outdoor deployments.
Integration with the Alarm.com for Business platform provides administrators with seamless management of user permissions and real-time monitoring of entry events. Whether you are upgrading an existing system or implementing a new access control infrastructure, the ADC-AC-ET10 delivers the reliability and multi-technology compatibility required for sophisticated security environments.
Why this device
- Issue, revoke, and schedule credentials remotely
- Full audit trail of every door event
- Scales from a single door to entire campuses
- Works with the Alarm.com app on iOS and Android
- Compatible with Altium 360 self and 24/7 professional monitoring
- Pairs with our DIY access control kits in minutes — no contract required
- Backed by Altium 360 expert support and warranty
Why customers choose Altium 360
- Alarm.com Authorized Dealer
- Secure online checkout
- Flexible monitoring options
- Expandable security platform
- Manufacturer warranty
- Professional technical support
- Easy DIY installation
- Residential & commercial solutions
