Dual Technology Detectors


Dual Technology Detectors

Dual-technology detectors associate a passive infrared (PIR) sensor with a microwave sensor with Doppler effects. Passive infrared detector detects temperature changes in the detection area during intrusion.

The Doppler detector uses a microwave transmitter and receiver antenna that transmit a pulse and analyze the signal reflected from the environment. Frequency differences between the transmitted signal and the received signal provide information about moving objects in the detection area.

Categories: Environmental Security, Border and Critical Infrastructure Security
Tag: Detector, Barrier, Fence, Sensor

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