Ajax DoorProtect

R566.00 incl. VAT

Ajax DoorProtect compact size and powerful magnet make Ajax DoorProtect the ideal wireless detector to protect all types of doors and windows.


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Ajax DoorProtect – Wireless Door Contact – includes wired input for 3rd party detectors

The Ajax DoorProtect is a wireless opening detector that notifies you of any unauthorized window or door openings. It can be mounted on all types of doors including a metal base.

The device consists of two modules, a detector, and a magnet. The set includes a big and small magnet for installation on narrow door and window frames.

The sensor comes with a battery and is therefore ready for installation. Scan the QR code on the back of the device with your smartphone and it connects to the hub.

  • Ajax wireless door or window opening detector
  • Separate wired input for 3rd party detectors
  • Uses authentication to protect against fraud
  • Tamper-resistant body
  • Response from detectors can be checked every 12-300 seconds (adjustable)
  • Jamming detection, frequency-hopping
  • Uses an encrypted connection
  • Uses British-made reed switches that can be toggled more than 1,000,000 times without failure
  • Two-way communication with Ajax Hub allows for periodic testing and customization
  • Saves energy by regulating power consumption based on the distance from Ajax Hub
  • Has a battery life of up to 7 years when pinging once per minute
  • No need to disassemble the body when installing using SmartBracket mounts
  • Uses powerful magnets that can be installed up to 2 cm from the main unit
  • The quality of the connection and detection area can be tested remotely
  • Connects to Ajax Hub with a single click
  • Tamper alarm

Additional information

Weight 29 g
Dimensions 20 × 20 × 90 mm

Black, White

Technical Specifications

Classification Point magnetic contact radio channel security detector
Device type Wireless
Installation method Indoors
Compatibility Operates with all Hubs and Rex range extender
Sensing element Reed switch
Alarm signal delivery time 0.15 sec
Activation threshold Small magnet – 1cm
Big magnet – 2cm
Power supply Battery: CR123A battery, 3v
Battery life Up to 7 years
Jeweller radio technology Communication range with detectors: up to 1,000m line of sight
Two-way communication between devices
Operating frequencies: 686.0 – 868.6MHz
Self-adjusting RF output power: up to 20mW
Black encryption based on AES algorithm
Detector polling period: 12 – 300 s
Temperature sensor Available
Operating temperature range from -10°С to +40°С
Operating humidity Up to 75%
Anti-sabotage Protection against fraud
Jamming detection
Remote setting and testing +
Dimensions Diameter: 20mm
Height: 90mm
Weight 29g
Certification Grade 2, CE
Warranty Replacement and repair for a period of 24 months of the date of sale. Batteries are not covered under warranty
Complete set DoorProtect opening detector
SmartBracket mounting panel
Two magnets
CR123A battery (pre-installed)
External contact
Installation set
User’s guide

DoorProtect User Manual

Ajax Alarm User Guide


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