AJAX – MotionProtect Plus, Wireless PIR & Microwave Motion Detector

AJAX – MotionProtect Plus, Wireless PIR & Microwave Motion Detector



Wireless opening detector that notifies broken door or window. It can be mounted on all types of doors including a metal base.

  • Authentication to prevent forgery
  • Jamming detection and communication channels encryption
  • Tampering alarm
  • Security Grade
  • Ignores pets weighing up to 20 kg and with a height up to 50 cm
  • Operates up to 5 years without battery replacement
  • The additional microwave sensor filters possible interference from the air conditioner and curtain movement

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.

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Product Description

Sensitive element PIR sensor

(Motion Protect Plus: PIR and microwave sensor)

Motion detection distance Up to 12 m
Motion detector viewing angles (H/V) 88,5° / 80°
Time for motion detection From 0.3 to 2 m/s
Pet immunity Yes, height up to 50 cm, weight up to 20 kg

Why motion detectors react to animals and how to avoid it >

Tamper protection Yes
Frequency band 868.0 – 868.6 MHz or 868.7 – 869.2 MHz,
depending on the sales region
Compatibility Operates with all Ajax hubsrange extendersocBridge PlusuartBridge
Maximum RF output power Up to 20 mW
Modulation of the radio signal GFSK
Radio signal range Up to 1700 m (any obstacles absent)

(Motion Protect Plus up to 1200 m)

Power supply 1 battery CR123A, 3 V
Battery life Up to 5 years
Installation method Indoors
Operating temperature range From -10°С to +40°С
Operating humidity Up to 75%
Overall dimensions 110 × 65 × 50 mm
Weight 86 g (Motion Protect Plus – 96 g)
Certification Security Grade 2, Environmental Class II in conformity with the requirements of EN 50131-1, EN 50131-2-2, EN 50131-5-3 (Motion Protect Plus – EN 50131-1, EN 50131-2-4, EN 50131-5-3)

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