Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...
Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...
EPFL researchers have built a device that detects individual microwave photons with up to 70 percent efficiency, operating continuously and without complex reset steps.
Southwest Microwave will showcase its Model 310B-33456 Explosion-proof Outdoor Microwave Intrusion Link for intrusion detection in the presence of flammable, combustible and easily ignitable materials ...
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