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

The Alarm.com® ADC-AC-ET10 Mullion Reader is a modern multi-technology access control reader designed to support today's evolving credential technologies while maintaining compatibility with legacy proximity systems. Combining 125 kHz Proximity, MIFARE DESFire® EV1/EV2/EV3, NFC, and Bluetooth® Low Energy (BLE) technologies into a sleek mullion-style design, the ET10 provides organizations with a future-ready solution for secure access control deployments. Designed specifically for Alarm.com Smarter Access Control, the ET10 allows businesses to transition from traditional credentials to encrypted smart credentials and mobile access without replacing existing infrastructure.

Supporting both Wiegand and OSDP communication protocols, including OSDP Secure Channel and OSDP Auto-Detect, the ADC-AC-ET10 helps simplify installations while providing enhanced security and encrypted communications between readers and controllers. Mobile Credential support allows authorized users to unlock doors using their smartphones, eliminating the need for physical badges while improving convenience and security.

Built for both indoor and outdoor applications, the ET10 features an IP55-rated enclosure, tri-state LED light bar, audible beeper, accelerometer-based tamper detection, and support for Alarm.com and WaveLynx® smart credentials. Its slim mullion form factor makes it ideal for aluminum storefront doors, commercial offices, healthcare facilities, schools, multifamily properties, and enterprise access control installations.