Tech specs

MotionProtect Jeweller

Wireless IR motion detector

MotionProtect Jeweller

Devices compatibility

Devices compatibility


Jeweller communication technology

Proprietary wireless communication technology to transmit commands, alarms, and events.

Key features:

  • Two-way communication.
  • Advanced sabotage protection.
  • Block encryption featuring a dynamic key.
  • Instant notifications.
  • Remote control and configuration in Ajax apps.

Frequency bands

866.0–866.5 MHz
868.0–868.6 MHz
868.7–869.2 MHz
905.0–926.5 MHz*
915.85–926.5 MHz
921.0–922.0 MHz

Depends on the sales region.

* Certified according to UL/ULC standards.

Maximum effective radiated power (ERP)

up to 20 mW

Automatic power control to reduce power consumption and radio interference.

Radio signal modulation


Radio communication range

up to 5,600 ft

Between the device and a hub (or a range extender) in an open space.

Encrypted communication

All stored and transmitted data are protected by block encryption featuring a dynamic key.

Frequency hopping

To prevent radio interference and jamming.


Sensitive element

PIR sensor

Motion detection distance

up to 39 ft

When installed at the height of 7.9 ft.

Motion detection angle

horizontal: 88.5°

Motion detection speed

from 1 to 6.6 ft/s

The direction of the detector lens should be perpendicular to an alleged intrusion path into the facility.


3 levels

Adjusted by a PRO or a user with admin rights in the Ajax app.

Pet immunity

weight:up to 44 lb
height:up to 1.6 ft

False alarm prevention


Software algorithm.

Temperature compensation

Effective motion detection at temperatures from 14 °F to 104 °F.


It is recommended to install the detector at a height of 7.9 ft.

The device is designed for indoor use only.

Sabotage protection

Tamper alarm

Notifications on attempts to detach the detector from the surface or remove it from the mounting panel.

Protection against spoofing

device authentication

Communication loss detection

after 36 s

Detection time depends on the Jeweller or Jeweller/Fibra settings.

Power supply


1 × CR123A



Type C.

Detector’s operating voltage range

2.1−3.3 V⎓

Detector’s nominal operating voltage

3 V⎓

Quiescent detector’s current consumption at nominal voltage

34.5 μA

Maximum detector’s current consumption at nominal voltage

61 mA

Full battery capacity

1,600 mAh

Low battery voltage

2.5 V⎓

Low battery recovery voltage

2.7 V⎓

End-of-life battery voltage

2.1 V⎓

The device is switched off.

End-of-life battery capacity

300 mAh

Calculated battery life

up to 5 years



UL listed.



4.33" × 2.56" × 1.97"


3.03 oz

Operating temperature range

from 14 °F to 104 °F

Temperature range from 32 °F (0 °C) to 120 °F (49 °C) is certified according to UL/ULC standards.

Operating humidity

up to 75%

Humidity of up to 93% is certified according to UL/ULC standards.

Protection class





Complete set

MotionProtect Jeweller

SmartBracket mounting panel

CR123A battery (pre-installed)

Installation kit

Quick start guide

Additional information

Compliance with standards

Learn more


24 months

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User manual

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