If there is an object moving in the room these waves are going to be altered.
Microwave motion sensor price.
What is a microwave motion sensor.
A microwave motion sensor uses electro magnetic radiation.
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It emits waves which are then reflected back to the receiver.
Like the pir sensor this sensor also detects only movements within its detection range.
The rcwl 0516 microwave radar sensor module has been designed as an alternative to the common pir motion sensors widely used in burglar alarms and security lights.
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Microwaves are the electro magnetic radiations whose frequency ranges from 0 3 ghz to 300 ghz these waves are mostly used for the non broadcasting issues microwave motion detectors emit microwaves into the specific region and they detect any intrusion by analyzing the received microwaves frequency after the reflection from the intruder.
The microwave detector is able to identify changes from.