Alarm.com ADC-NK-200T-A-CC-ATLTE Cell Connector, AT&T LTE

Deliver reliable, secure cellular connectivity for access control and alarm systems with the Alarm.com ADC-NK-200T-A-CC AT&T LTE Cell Connector. This Alarm.com alarm communicator provides a dedicated 4G LTE link that bypasses local wired networks, giving technicians a simple, fast way to ensure continuous monitoring and reduce on-site network dependencies. By connecting directly to the Alarm.com cloud over the AT&T network, the ADC-NK-200T minimizes installation complexity while improving uptime for security and surveillance applications.

Designed specifically for access control, the Cell Connector works with Mercury and Aero controllers to streamline integrations in larger or distributed installations. Its compact dimensions (6.25" x 1.2") and 20 oz weight make it easy to mount inside control cabinets or enclosures. For integrators and facility managers, this device delivers dependable cellular backup and a secure path for alarm reporting, credentialing events, and remote system monitoring.

Ideal for parking garages, multi-site campuses, and any deployment where network reliability is critical. Add the ADC-NK-200T to your projects to simplify installs and strengthen security monitoring — order or contact sales to specify for your next access-control deployment.

• Provides a direct, secure AT&T LTE connection that bypasses local networks for reliable alarm and access-control communication
• Simplifies installations and reduces wiring needs — ideal for parking garages, remote sites, and complex deployments
• Built for access control: compatible with Mercury and Aero controllers for seamless integration
• Ensures uninterrupted monitoring and cellular backup for security, surveillance, and alarm systems
• Compact, installer-friendly form factor (6.25" x 1.2", 20 oz) for easy mounting in control cabinets