ELK AERF9 Alarm Engine Wireless Receiver for Two-Way Wireless Sensors

Enable flexible, scalable security and monitoring by adding the ELK Products AERF9 wireless receiver to your Alarm Engine installation. This wireless receiver module lets E27 control panels support ELK’s Two‑Way wireless sensors, giving you reliable two‑way communication, supervised status updates and tamper reporting for professional security and surveillance systems. The AERF9 supports up to 128 individual wireless zones and operates across the 902–928 MHz band, providing broad RF compatibility and strong signal performance. Designed to plug directly into the dedicated connector on the E27 board, it minimizes installation time and simplifies integration into existing control panel architectures. Built with LED indicators for RF and status, technicians gain quick visual diagnostics during commissioning and maintenance—reducing onsite troubleshooting. Ideal for commercial or residential security installations where expandability, remote monitoring and dependable sensor communication matter, the ELK AERF9 helps you scale protection without running new wiring. Add the AERF9 to your surveillance and alarm projects today or contact your ELK dealer to specify it for next‑generation monitoring solutions.

• Seamlessly expand E27 Alarm Engine systems with up to 128 two‑way wireless zones for scalable security coverage
• Enables reliable two‑way communication with ELK’s wireless sensors for faster supervision, status reporting and tamper detection
• Plugs directly into the E27 control board for simple installation and minimal setup time, reducing labor costs
• LED status and RF indicators provide instant diagnostics for commissioning and troubleshooting
• Operates on 902–928 MHz with low current draw to maintain system reliability and efficient power use