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Doorprotec plus


Wireless opening detector notifies of first signs of intrusion into the room through the door or window. It is installed even on roof windows which can be left open when leaving the house.

Authentication to prevent forgery
Jamming detection and communication channels encryption
Tampering alarm
Security Grade Compliance
SKU: N/A Category:

Principle of operation

The device detects the door or window being opened by means of British-made hi-end reed switches on which the magnetic field acts. It can operate in the transmitter mode, sending a signal from the wired sensor to the hub.


The device protects even windows left open for ventilation. The accelerometer registers changes in vertical slope angle, bangs or vibration and sends an alarm to the hub.

Installation and set up

Ready to operate straight out the box: the battery is already installed, therefore there is no need to disassemble the detector. With one click, it can be connected to the hub in the mobile application.

See the full manual


Black, White


Combined point magnetic contact and vibration radio channel security detector

Type of detector


Installation method



Operates with all Ajax hubs, and range extenders


Reed switch, accelerometer

Alarm signal delivery time

0,15 s

Activation threshold

Small magnet — 1 cm Big magnet — 2 cm Tilt: more than 5°

Power supply

Battery: CR123A battery, 3 V

Battery life

Up to 5 years

Sensor resource

2,000,000 openings

Jeweller radio technology

Block encryption based on AES algorithm, Communication range with central unit — up to 1,200 m in an open space, Detector scanning period from 12 to 300 sec, Radio frequency bands: 866.0 – 866.5 MHz 868.0 – 868.6 MHz 868.7 – 869.2 MHz 905.0 – 926.5 MHz 915.85 – 926.5 MHz 921.0 – 922.0 MHz (depends on the region of sale), Self-adjusting RF output power — up to 25 mW, Two-way communication between devices

Temperature sensor


Operating temp. range

From -10°С to +40°С

Operating humidity

Up to 75%


Jamming detection, Protection against fraud, Tamper-resistant

Remote configuration and testing



Diameter: 20 mm Height: 90 mm


29 g


Replacement and repair within 24 months of the date of sale. Batteries are not covered under warranty.

Service life

10 years

Complete set

CR123A battery (pre-installed), DoorProtect Plus opening detector, External contact, Installation set, SmartBracket mounting panel, Two magnets, User's guide