Cellular Freeze Alarm – No Phone Line Required

Looking for a temperature or freeze alarm but don’t have a phone line?

Look no further! The MarCELL MAR-500A is the solution, it is simple, reliable and more importantly very cost effective. Quit paying those monthly phone bills on a property where you don’t need a telephone. With the addition of the wireless SPUCK water sensor the MAR-500A cellular device will monitor your property for temperature alarm conditions as well as water leaks and humidity.

The entire system is cloud based and designed for easy setup and installation, PLUS there’s a convenient app to make checking on your property a breeze.

Part of the beauty of the MAR-500A; is that you can turn the cellular connection on and off on a monthly basis so you are only paying for the coverage you need when you need it. You can do this online at any time – quickly, easily and with no hassle.

To purchase the MarCELL freeze alarm click here – http://www.absoluteautomation.com/hs-500-marcell-cellular-freeze-alarm/


I have been in the alarm and control industry for the past 8 years. I am especially interested in the utilization of existing WiFi networks for alarm notification and control applications.


Posted in Alarms and Monitors

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    • I have been in the alarm and automation industry since 2006. I am particularly interested in seeing how the industry adapts as the number of home owners with traditional land line phone lines dwindles raising a need for WiFi and Cellular devices.