It uses Doppler radar technology, with auto-sensing capabilities to control other product,High sensitivity, sensor distance, reliability, wide angle sensor, Wide supply voltage range and other characteristics. Widely used in lighting situations, anti-theft alarm situations.
Features:
Microwave sensors using planar antenna and receiving echo.
The switch is active sensors.
The sensors emit a high-frequency electromagnetic waves and receives their echo.
The sensors detect changes within echo.
The sensors detect tiny movement in detect range.
Send signal to MCU and execution instruction.
Signals are likely to be detected through the door, glass and thin walls.
It will get best probe result if person or object when moving toward the sensor.
This product is a strong anti-jamming capability, almost without wind, heat and other environmental factors foreign interference
This LTE Cat 1 modem is like a wizard for your IoT stuff. It makes things super easy to connect and goes zoom-zoom with its super-fast speeds. And hey, it's got some fancy security stuff too, so you can sleep easy at night. Plus, it doesn't gobble up power like a hungry monster, so your devices last longer. It's small and mighty, a real game-changer for any IoT adventure. Totally worth checking out, trust me on this one!