Fire-Link®II is a complete audibility upgrade solution, utilizing a revolutionary new technology that communicates through the building’s existing AC Power electrical wiring. This advanced Fire Alarm notification signaling device has a fully addressable and supervised 87 dBA in-suite device “mini-horn” that can be installed anywhere there is an AC outlet. The Fire-Link®II system attaches to any existing Fire Alarm Control Panel and is a UL / ULC-listed Fire Signaling System, created to meet NFPA72 standards for the purpose of overcoming audibility issues prevalent in older multi-unit residential buildings.