MotionProtect Plus Fibra

Wired PIR motion detector with additional K-band microwave sensor to filter thermal interferences


Compatible hub models Hub Hybrid (2G) Hub Hybrid (4G)

Compatible range extenders Range extenders with Fibra devices support will be soon added to the Ajax product line


Fibra communication technology

Proprietary wired communication technology. Fibra combines the reliability of wires with the freedom of radio connection. It features:

  • Two-way communication.
  • Advanced anti-sabotage.
  • Instant notifications.
  • Remote configuration via the app.

Learn more

Bus connection 4-core cable

Encrypted communication

Bus line length up to 2,000 meters When using the U/UTP cat.5 twisted pair.


Sensing element 1 × PIR sensor 1 × K-band microwave sensor When the device detects motion, it conducts an additional RF scan to eliminate false alarms due to thermal interference: air flows, heated curtains and blinds, fans, fireplaces, air conditioners, and other likely sources of false alarms.

Motion detection distance up to 12 meters * When installed at 2.4 meters height. * — For INCERT compliance 10 meters

Motion detection angles horizontal — 88.5° vertical — 80°

Motion detection speed from 0.3 to 2.0 m/s The direction of the detector lens should be perpendicular to the intended path of entry into the room.

Sensitivity 3 levels Sensitivity can be adjusted by PRO or user with admin rights in the Ajax app.

Pet immunity up to 20 kg up to 50 cm height Learn more

False alarm prevention SmartDetect Software algorithm. K-band microwave sensor To verify PIR sensor alarms.

Temperature compensation Effective motion detection within −10°C to +40°C range.

Motion detection angles Horizontal



It is recommended to install the detector on 2.4 meter height.

Device is designed for indoor use only.

Anti-sabotage protection

Tampering alarm Alerts of attempts to detach the detector from the surface or remove the mounting panel. Learn more

Protection against forgery Device authentication

Power supply

Fibra line power supply 24 V⎓, up to 50 µA The detector is powered by the control panel.


Dimensions 110 × 65 × 50 mm

Weight 96 g

Operating temperature range from −10°C to +40°C

Operating humidity up to 75%

Protection class IP50



Complete set

MotionProtect Plus Fibra SmartBracket mounting panel Installation kit Quick Start Guide

Additional information

Compliance with standards Learn more

Warranty 24 months Learn more

User manual Learn more

Spelling error report

The following text will be sent to our editors: