Description
- Sensing element: PIR sensor
- Motion detection distance: up to 12m
- Detection angles: Horizontal - 88.5°, Vertical - 80°
- Recommended installation height: 2.4 m
- Pet immunity: Weight - up to 20 kg, Height - up to 50 cm
- Up to 1700m in an open space (in a perfect environment)
- Operating frequencies - 868.0 - 868.6 MHz
- Battery: CR123A battery, 3 V
- Battery life: up to 5 years
- Dimensions: 110 × 65 × 50 mm
Manufacturer overview
Wireless IR motion detector
A key element for intelligent security. Motion detectors form the core of security systems. Recognizing their pivotal role, we created MotionProtect Jeweller — a misleadingly simple yet powerful motion detector for optimal reliability and ease of use. Its cutting-edge hardware and software algorithms reduce the amount of false alarms to almost zero. With a sleek design, detectors are seamlessly integrated into any space. Installation is simplified with wireless capabilities and the SmartBracket mounting panel, while remote configuration eliminates the need for on-site visits to solve minor requests.
No intruder goes unnoticed. All Ajax motion detectors use PIR sensors by Excelitas Technologies — a field-leading American manufacturer specializing in designing and producing optronic components since 1931. Ajax Systems constantly proves the sensor’s Superior quality at the production stage: we test 100% of manufactured devices . Wrapped into Ajax technologies, it brings the utmost accuracy of intrusion detection.
PIR sensor. All Ajax motion detectors use PIR sensors by Excelitas Technologies — a field-leading American manufacturer specializing in designing and producing optronic components since 1931. Ajax Systems constantly proves the sensor’s Superior quality at the production stage: we test 100% of manufactured devices . Wrapped into Ajax technologies, it brings the utmost accuracy of intrusion detection.
Special lens. The pattern of the Fresnel lens sections is designed to differentiate between the IR diagrams of a human, animal, and thermal noise. Large lens sections capture radiation at an adult’s head and torso level. 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.
Thermal interferences filter. We processed thousands of thermal patterns caused by humans, animals, and the environment to develop the SmartDetect software algorithm. In armed mode, the detector constantly analyzes the thermal diagram from the PIR sensor, including the IR radiation intensity, thermal spot size, movement speed, 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 movement without false alarms.
Temperature compensation. Temperature compensation is a software mechanism that keeps the thermal diagram contrast even if the ambient temperature is close to the temperature of the human body. With each ambient temperature measurement, the detector corrects the PIR sensor data according to the coefficient table stored in its memory. The detector is effective over the entire operating temperature range.
Specifications
| Frequency bands | 866.0–866.5 MHz |
| Maximum effective radiated power (ERP) | up to 20 mW |
| Radio signal modulation | GFSK |
| Radio communication range | up to 5,600 ft |
| Sensitive element | PIR sensor |
| Motion detection distance | up to 39 ft |
| Motion detection angle | horizontal: 88.5° |
| Motion detection speed | from 1 to 6.6 ft/s |
| Sensitivity | 3 levels |
| Pet immunity | weight:up to 44 lb |
| False alarm prevention | SmartDetect |
| Protection against spoofing | device authentication |
| Communication loss detection | after 36 s |
| Battery | 1 × CR123A |
| 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⎓ |
| End-of-life battery capacity | 300 mAh |
| Calculated battery life | up to 5 years |
| Manufacturer | Huiderui |



