Merlin 8 Signalling Systems use the Mains Power wiring already within a building or complex to creat...
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This Eco Data Signalling System is suitable for sending a large range of data from remote sensors or...
Merlin Eco Remote Switching / Power Saving systems are innovative products for enabling the remote s...
Merlin Trio Help Call Systems are a portable, easy to use, panic alarm / help call system for person...
Signalling by the mains wiring is seen upon for being a less-than-perfect solution to communicating ...