CombiProtect Fibra

Wired combined motion and glass break detector


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 twisted pair U/UTP cat.5. Calculate the line length at the facility

Motion detection

Sensing element 1 × PIR sensor

Motion detection distance up to 12 meters When installed at 2.4 meters height.

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 facility.

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

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

False alarm prevention SmartDetect Software algorithm.

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.

Glass break detection

Sensing element 1 × electret microphone

Glass break detection distance up to 9 meters

Glass break detection angles horizontal — 180° vertical — N/A

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

False alarm prevention DualTone Two-factor glass break verification software algorithm: by low and high frequencies.

Glass break detection angles Horizontal


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 46 mW The detector is powered by the control panel.


Dimensions 110 × 65 × 50 mm

Weight 92 g

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

Operating humidity up to 75%

Protection class IP50



Complete set

CombiProtect 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

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