Wireless Motion Detector

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Wireless Motion Sensor

Wireless motion sensor is one of the main elements of security systems at any objects, both civil and other structures . It can be part of a ready-made kit or work standalone. Of course, the device shows greater efficiency in combination with other devices.

Wireless motion sensor: how and what is it used for?

The devices under consideration are designed to fix the movement of objects in a certain zone. Wireless motion sensors are:

Thermal: they work due to the PIR sensor, whose task is to detect infrared waves emitted by living objects in the controlled area. Efficiency is provided by a whole group of microlenses. The response range for detecting living bodies (humans, animals) is 10-15 m, the working area is 1200 m. Wireless motion sensors for signaling such a plan are highly accurate, but their operation is possible when any objects that emit heat (human, animal, sunlight, any heating devices). To prevent a false signal, manufacturers provide for setting the sensitivity of devices;
Ultrasonic: Responds to sound beams reflected from objects. The devices give accurate data, but have a short range. Plus, their radiation is acutely perceived by animals, respectively, it is impossible to install devices in rooms with pets;
Microwave: Wireless Doppler alarm sensors. Unlike the previous version, the generator produces high-frequency radiation instead of ultrasound, and the work is carried out in a similar way. The device covers a large area, captures data even through walls, but consumes a lot of energy, negatively affects animals.
A wireless motion sensor with a GSM module can work autonomously, performing the functions of a full-fledged security system. The device operates from an independent power source. When an offender enters the zone of his action, the user instantly receives a signal through the mobile communication channel of the operator to which he is connected.