Wireless Radiolink
Wireless RadioLink Transmitter and Receiver module (868MHZ signal). Use with Ei208W and Ei208DW.
Wireless optical smoke detector with built-in sounder, Powered by 9V Alkaline battery complete with Plug in Radio frequency module with built-in Radio
The Wireless heat and smoke alarms built in sounder is part of the Wireless Heat & Smoke Detectors range from Context Plus, supplied and supported by SPS. Wireless optical smoke detector with built-in sounder, Powered by 9V Alkaline battery complete with Plug in Radio frequency module with built-in RadioLink transmitter and receiver (868 MHZ signal) , circle shaped with easy twist to fit base. (Formerly Ei605WRF).