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Showing posts from May, 2025

Home Security Systems - Wired / Wireless or Hybrid

In the home security market - wired alarm system have been around for decades.  While originally evolving from fire alarm systems, adding the ability to support door & window sensors as well as keypads for entering arm/disarm codes created that market. Folks like Honeywell (now Resideo), DSC, etc built and sold untold thousands of these units.   Over the years the sensors got a little more sophisticated with things like motion sensors, glass break detectors, etc augmenting the traditional "normally closed" door and window sensors. From a communication standpoint all of these system support traditional tip/ring wiring to a land-line and companies, like ADT, AAA, Sonitrol and others then provided centralized monitoring services and would forward events to the local police or fire department as needed. The good news is these system overall were very reliable.  The bad news is - as they aged - sensors would fail or wiring would get damaged and the system would have u...