Silent Call SD4-MC Smoke Detector with Transmitter

Protect people and property with fast, wireless smoke detection designed for commercial and institutional security systems. The Silent Call Communications SD4-MC Smoke Detector with Transmitter combines a sensitive photocell smoke sensor with a built-in transmitter so alarms are broadcast directly to any Medallion Series Mini Receiver for immediate notification and remote monitoring. Powered by a long-life 3V lithium battery (included) and featuring ETL listing for North American safety standards, this compact smoke detector delivers dependable, low-maintenance protection and straightforward installation in rooms, corridors and critical spaces. The million-code technology minimizes interference and supports scalable deployments across multi-unit facilities, making the SD4-MC an excellent choice for integration into existing security, surveillance and fire-monitoring infrastructures. Ideal for property managers, integrators and safety officers who need reliable wireless alerts and easy system expansion. Add the Silent Call SD4-MC to your smoke monitoring strategy today or contact sales to discuss system integration and bulk orders.

• Fast, early smoke detection that integrates wirelessly into Medallion Series systems for proactive fire monitoring
• Photocell sensor and built-in transmitter deliver reliable, remote alerts to Medallion Series Mini Receivers
• Battery-powered 3V lithium cell provides 24/7 protection with minimal maintenance and easy installation
• ETL-listed for North American safety compliance, giving confidence in commercial and institutional deployments
• Scalable solution for security, surveillance and building monitoring — ideal for offices, healthcare, retail and multi-site facilities