SDC RMB 400-RMB Series Buzzer Alarm Station

Optimize perimeter control and door monitoring with the SDC RMB 400-RMB Series Buzzer Alarm Station from Security Door Controls. This keyswitch-style buzzer alarm station delivers an immediate audible alert to notify staff and security teams of unauthorized door activity, improving real-time monitoring and incident response. Built as a keyswitch product (MPN: RMB) and manufactured in the US, the unit provides dependable, tamper-resistant operation for high-traffic entrances, emergency exits and secure access points. The SDC RMB 400 is designed for straightforward integration with existing access control and surveillance systems, allowing audible alarms to be synchronized with CCTV, access logs and building management platforms. Its compact, low-profile form factor minimizes installation labor and is well suited for retrofit projects or new installations where reliable door alarms are required. Ideal for schools, healthcare, commercial and industrial facilities seeking to strengthen security and reduce unauthorized exits, the SDC RMB 400 helps maintain compliance and improve operational awareness. Contact us to specify this keyswitch buzzer for your next door alarm or access control deployment.

• Provides immediate audible notification of door breaches and unauthorized activity to improve site security and monitoring
• Keyswitch-controlled buzzer for simple local activation, reset and tamper-resistant operation
• Easy integration with existing access control, surveillance and alarm systems for unified monitoring
• Rugged, US-made construction from Security Door Controls with manufacturer part number RMB for dependable performance
• Low-profile design and straightforward wiring reduce installation time and maintenance costs