Ajax Wireless MotionProtect Plus White Front BD422W
Ajax Wireless MotionProtect Plus White Front BD422W
Ajax Wireless MotionProtect Plus White Left Side BD422W
Ajax Wireless MotionProtect Plus White Right Side BD422W
Ajax Wireless MotionProtect Plus White Back BD422W

Ajax Wireless MotionProtect Plus White

R 1,655.00 Incl. VAT
R 1,739.00 Incl. VAT

Available to order online or collect at 6 Cosmic Street Linbro Park, Sandton, 2090 (Map)


Product Code: 8227.02.WH1

The Ajax MotionProtect Plus is a wireless motion detector with a microwave sensor that notifies the owner of first signs of home or office intrusion. Designed for rooms with air conditioners, fireplaces and where there is a likelihood of light flickering, glare and reflections.

  • Authentication to prevent forgery
  • Jamming detection and communication channels encryption
  • Tampering alarm

The additional microwave sensor filters possible interference from the air conditioner and curtain movement

The device operates up to 5 years without battery replacement

Ignores pets weighing up to 20 kg and with a height up to 50 cm

Principle of operation

Detects human presence by temperature difference with background thermal radiation. The microwave sensor prevents false alarms caused by complex interference.


Designed for operation in rooms with fireplaces and air conditioners. Detects and ignores draughts, movement of curtains and blinds, and light flickering, glare and reflections.

Installation and set up

Ready to operate straight out the box. The battery is already installed inside, therefore there is no need to disassemble the detector. It can be mounted in just a few minutes using the SmartBracket mount.

Tech specs


Electro-optical combined radio channel security detector

Type of detector


Installation method



Operates only with Hub, Hub Plus, Ajax ReX, Ajax ocBridge Plus and Ajax uartBridge

Sensing element

PIR sensor, microwave sensor (24 GHz)

Alarm signal delivery time

0.15 s

Motion detection distance

Up to 12 m

Detection angles

Horizontal — 88.5°

Vertical — 80°


Adjustable, 3 levels

Recommended installation height

2.4 m

Pet immunity

Weight — up to 20 kg

Height — up to 50 cm

Power supply

Battery: CR123A battery

Power supply voltage: 3 V

Battery life — up to 5 years

Jeweller radio technology

Communication range with central unit — up to 1,200 m in an open space

Two-way communication between devices

Operating frequencies — 868.0-868.6 MHz

Self-adjusting RF output power — up to 20 mW

Block encryption based on AES algorithm

Detector polling period — 12−300 s

Temperature sensor


Operating temperature range

From -10°С to +40°С

Permissible humidity

Up to 75%


Protection against fraud

Jamming detection


Remote setting and testing



110х65×50 mm


96 g


Grade 2, CE


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

Complete set

MotionProtect Plus motion detector

SmartBracket mounting panel

CR123A battery (pre-installed)

Installation set

User’s guide