Ajax Magnetic contact wireless alarm door / window 868Mhz

Ajax Magnetic contact wireless alarm door / window 868Mhz

AJ-DOORPROTECT-W / AJDP DoorProtect White detector magnetic doors and windows without 868Mhz Wireless LAN, bidirectional, internal antenna, anti tampering, battery power, grade 2, suitable for indoor environments, including support.


Brand: Ajax

EAN: 0856963007033


taxes included
Tax included

Contatto magnetico apertura porte e finestre
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Prodotto Ajax


Wireless opening detector that signals the first signs of intrusion from a broken door or window. It can be mounted on all types of doors, including a metal base. AJ-DOORPROTECT-W AJDP

Main features:

- Bidirectional wireless wireless door / window opening detector - Ajax
- Compatible with AJ-BATTERYX5
- 868MHz Jeweler Protocol
- 1 wired entrance
- Anti Tampering
- Suitable for indoor environments
- Battery powered
- Support included
- 3 year warranty

I sistemi ajax sono muniti di batterie?


All alarm products in the Ajax range are already equipped with batteries!
Out of the box they are ready for use!

Product details

Ajax - perché scegliere gli allarmi Ajax


Ajax is a synonym of quality and simplicity of use.
All Ajax products use the latest wireless wireless technology and can be programmed directly from a smartphone or PC.

Thanks to the User and Pro applications , it is possible to have a complete virtual control of the entire entire alarm system, 24 hours a day.

Here is the real difference compared to other competitors!

With a few simple touches , you can:

? Switch on / off the alarm

? Have instant notifications

? Have detailed information on the status of the device

? Perform remote testing and configurations

? Automatic updates


Gestione dell'impianto d'allarme da remoto con APP USER E PRO di AjaxAjax Security System Applicazione Mobile

Rivelatore universale di apertura porte e finestre

Ajax DoorProtect - Door contact / magnetic window | AJ-DOORPROTECT-W

Device capable of detecting the opening of doors and windows

- Universal detector

- Recognizes the opening of doors and windows, even on different floors

- Miniaturized dimensions for greater compatibility with fixtures

- Works up to 2,000 meters from the HUB

- Possibility of connecting an outdoor detector via wire input

- The reed contact can be activated more than 1,000,000 times without any failure

- Two-way communication with the HUB for checks and personalization

- Adjustable power based on distance from the HUB to save energy

- 868MHz Jeweler communication protocol

- Detectors response checked every 12-300 seconds (settable)

- It connects to the Ajax Hub with a simple switch and with the help of QR codes

- Can work with a third security system via the uartBridge and ocBridge / ocBridge Plus modules

- Equipped with tamper-proof tamper

- Recognition of radio interference

- Encrypted communication

- The magnet has a power that allows installation up to 20 mm from the main unit

- Power supply: CR123A battery

- 3V supply voltage

- Battery life 7 years

- Equipped with support

- White color

- Dimensions: 20 x 90 mm

Data sheet


868 MHz Jeweler

Security level

Grade 2

Transmission Distance

1200 m in open space

LEDs Alarm, Tamper, Signal
Cover material ABS plastic
Battery 1 CR123A 3.0 V battery (up to 7 years)
Working Temperature 0º C ~ 50º C
Transmitter dimensions 90 mm (Fo) x 20 (Ø) mm
Magnet dimensions 90 mm (Fo) x 20 (Ø) mm

More details


The device detects the opening of a door or window thanks to the internal reed and the action of the magnet.

It can work in transmitter mode, sending a signal from the wired sensor to the HUB.



The device consists of 2 modules - detector and magnet.

The set includes two magnets: the large magnet is installed at a distance of 2 cm and the small magnet up to 1cm

Contatto magnetico apertura porte / finestre


Already ready to be used, when it is still in the box: the battery is already installed, so it is not necessary to disassemble the detector. With one click, it can be connected to the HUB through the mobile application.

It can be mounted on the SmartBracket in just a few minutes.


Brochure (Italian)


Ajax Systems

Established in 2011, Ajax develops wireless alarm and fire alarm systems with JEWELER wireless technology that allows you to securely monitor all connected network devices. Ajax offers solutions for the home, office or business, which can be managed via the App, always updated and compatible with iOS and Android systems. The Ajax devices are easily installed, in fact it only takes 15 seconds to connect the control unit to the sensors. They can also be integrated with surveillance cameras, have an almost zero margin of error and, in case of danger, in less than 150 milliseconds send a notification (sms, push or call).

The Ajax alarm systems take advantage of a latest generation wireless technology that makes all products reliable and always connected. In addition to excellent performance, Ajax systems stand out for their modern and elegant design.

All our products are in conformity with the in force CE normative (read here). To ask for a copy of the certification fill out this form

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