ELK AERFA3 Alarm Engine Wireless Receiver for 319.5 MHz Sensors

Optimize your alarm system with the ELK Products AERFA3 wireless receiver — designed to add robust 319.5 MHz sensor support to ELK’s E27 Alarm Engine for professional-grade security monitoring. This compact control panel receiver accepts up to 128 wireless zones, allowing integrators and facility managers to scale intrusion detection and surveillance coverage without extensive wiring. Operating at 319.5 MHz with a low current draw of 52mA, the AERFA3 delivers dependable RF reception while preserving panel power resources. The receiver plugs directly into the dedicated connector on the E27 board and includes LED indicators for quick RF and status verification, simplifying commissioning and service calls. Ideal for commercial, retail, and institutional applications where flexible wireless sensor placement is critical, the ELK AERFA3 streamlines installation and enhances alarm and monitoring systems. Add the AERFA3 to your E27 setup to expand wireless sensor coverage and improve site-wide security visibility — order now or contact our support team for system integration assistance.

• Expand E27 Alarm Engine capability to support ELK’s 319.5 MHz wireless sensors for a seamless, integrated security solution
• Supports up to 128 individual wireless zones, enabling scalable monitoring across large sites
• Low power draw (52mA) for reliable operation without stressing panel power budgets
• Simple plug-in connection to the E27 control board reduces installation time and wiring complexity
• LED indicators provide immediate RF and status feedback for faster troubleshooting and commissioning