Extreme Sensor -  Wireless

Wireless Security and Life-Safety Sensing Products

Professional Sensing Products for Professional Security Dealers



About Us



The Extreme Sensor is a supervised, wireless sensor that detects the opening and closing of doors, window, gates, garage doors, etc. in extreme environment. –32°F (-35.6°C) to 120°F (49°C). Developed and tested in Minnesota, US in extreme cold. Flawless RF transmission during one of the coldest weeks in Minnesota in 22 years (1/25/19-2/1/19), –32°F, with wind-chill temperatures down to –60°F! The unique design allows mounting the device outdoors with wood screws, plastic zip-ties or a combination of both. Powered by two extra long-life batteries.  319.5 or 345 MHz frequencies.



  - Rugged design to withstand outdoor application.

  - Small in size; 1/2 the size of other outdoor door and gate sensors.

  - Very small footprint.  Sensor:3.39"L x 1.34" W x .79" H. Magnet: 3"L x 1" W x .8" H.

  - Maximum magnet gap:  1.75"

  - Mounting with screws, zip-type plastic straps or use both.

  - Operating temperature: -32 to 140°F (-35 to 60°C).

  - 2 extra long-life batteries.


  Fences                    Porches                                    Unheated Enclosed Areas

  Doors                      Storage Areas                         Garages and Garage Doors

  Windows                 Hot Tub Buildings                   Barns, Sheds, and Out Buildings

  Gates                      Pool Areas and Buildings      High Humidity and Wet Environment

  - FCC

  - IC


Part Numbers and Compatibility:
RF-CMDWS-OD-319-NN     319.5 MHz: UTC®, Interlogix®, GE®, ITI®, and Qolsys®

RF-CMDWS-OD-345-NN     345 MHz: Honeywell®, 2GIG®





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