The white Ajax MotionProtect Plus motion detector is an advanced wireless device with dual detection technology: PIR sensor and K-band microwave sensor. This combination provides superior protection, preventing false alarms caused by thermal interference such as air conditioners or fireplaces. Ideal for residential and commercial environments, it offers a stylish design and easy installation thanks to wireless technology and SmartBracket support:
Dual sensor: PIR sensor for motion detection and K-band microwave for verification
Sensing distance: Up to 12 meters with recommended installation at a height of 2.4 meters
Detection angle: 88.5° horizontal for optimal coverage
Pet immunity: Does not detect movement of animals up to 20 kg and 50 cm in height
False alarm elimination: Microwave sensor activates only to confirm PIR alarms, reducing thermal interference
Encrypted wireless: Secure and stable communication with Ajax hub
Easy installation: SmartBracket for quick mounting and remote configuration via Ajax app
Modern and discreet design: Perfect for any indoor environment.
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Jeweller's MotionProtect Plus is a wireless IR motion detector featuring dual detection technology including PIR and microwave sensors. The microwave sensor is activated only to confirm the detection triggered by the PIR motion sensor, ensuring accurate detection even in areas with significant thermal interference, such as those with air conditioners or active fireplaces.
The K-band microwave sensor scans a room to minimize false alarms caused by thermal interference. It works in conjunction with the PIR sensor and uses microwave technology only to verify alarms from the PIR sensor. Unlike conventional X-band sensors, the K-band sensor offers higher accuracy and energy efficiency. This results in a minimal impact on battery life and a significant reduction in false alarms. In addition, the sensor is completely safe and poses no harm to human health.
The pattern of Fresnel lens sections is designed to differentiate the IR patterns of a human, animal, and thermal noise. The large sections of the lens capture radiation at the head and torso level of an adult. The smaller sections make the diagram more detailed. The lens provides the detector with accurate information about the thermal object in the detection zone and the nature of its movement.
We have processed thousands of thermal patterns caused by humans, animals and the environment to develop the SmartDetect software algorithm. When inserted, the detector constantly analyzes the thermal pattern of the PIR sensor, including the intensity of IR radiation, the size of the heat spot, the speed of movement, the time spent in the detection zone, and other parameters. The algorithm identifies false alarm markers instantly and with high accuracy. As a result, the detector accurately responds to human motion without false alarms.
Baseline devices operate without cables, offering maximum flexibility during installation. The preinstalled CR123A battery from established manufacturers ensures easy setup, requiring no additional steps to start using the devices. In addition to real-time testing at the battery manufacturing stage, Ajax Systems inspects each unit to ensure the accuracy of battery characteristics. The battery is easily replaceable and can be replaced after about five years of autonomous operation. Battery status is always accessible through the Ajax app. Users and supervisors receive low battery alerts months in advance, enabling timely replacement without rushing:
| Feature | Description |
|---|---|
| Communication technology | Proprietary wireless Jeweller for transmission of commands, alarms and events |
| Key Features |
|
| Operating frequencies |
|
| Maximum effective radiated power (ERP) | Up to 20 mW |
| Automatic power control | Reduces power consumption and radio interference |
| Radio signal modulation | GFSK |
| Radio communication range | Up to 1,200 m (between detector and hub or repeater in open field) |
| Encrypted communication | All saved and transmitted data are protected by block encryption with a moving key |
| Frequency hopping | Avoids radio interference and signal inhibition |
| Feature | Description |
|---|---|
| Sensor type |
|
| Microwave sensor operating frequency | 24 GHz |
| Function of the K-band microwave sensor | Prevents false alarms caused by thermal interference |
| Motion detection distance | Up to 12 m (when installed at a height of 2.4 m) |
| Motion detection angle | Horizontal: 88.5° |
| Motion detection speed | 0.3 to 2 m/s |
| Optimal lens positioning | Perpendicular to the path of entry into the room |
| Sensitivity | 3 levels (Adjustable by a PRO or a user with administrator rights in the Ajax app) |
| Pet immunity |
|
| False alarm prevention | SmartDetect software algorithm |
| Temperature compensation | Effective motion detection at temperatures between -10 °C and +40 °C |
| Feature | Description |
|---|---|
| Recommended height for installation | 2,4 m |
| Environment of use | Indoor only |
| Feature | Description |
|---|---|
| Tamper alarm | Notifications if an attempt is made to detach the detector from the surface or remove it from the mounting panel. |
| Protection against counterfeiting | Authentication of the device. |
| Detection of loss of connection. | Within 36 s (depends on Jeweller or Jeweller/Fiber settings). |
| Feature | Description |
|---|---|
| Battery | 1 × CR123A (preinstalled) |
| Type | C type |
| Operating voltage | 2,1-3,3 V⎓ |
| Rated voltage | 3 V⎓ |
| Quiescent current consumption | 31 μA |
| Maximum current consumption | 62 mA |
| Full battery capacity | 1,600 mAh |
| Low battery voltage | 2,5 V⎓ |
| Low recovery voltage | 2,7 V⎓ |
| End-of-life battery voltage | 2.1 V⎓ (Device is turned off) |
| Battery capacity at end of life | 300 mAh |
| Calculated battery life | Up to 5 years |
| Feature | Description |
|---|---|
| Dimensions | 110 × 65 × 50 mm |
| Weight | 96 g |
| Operating temperatures | -10 °C to +40 °C |
| Maximum allowable humidity | up to 75% |
| Protection class | IP50 |
| Element | Description |
|---|---|
| MotionProtect Plus Jeweller | Included in the package |
| SmartBracket mounting panel | Included |
| CR123A Battery | Preinstalled |
| Installation kit | Included |
| Quick Start Guide | Included |
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