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Microwave motion sensor

Soldered

This motion sensor uses microwave signals based on the Doppler radar effect to detect moving bodies. It can serve as an alternative to a PIR sensor, with the advantage that it does not require optical visibility. However, compared to PIR sensors, it typically operates over a shorter detection range.

* Approximate frequency: 3.181GHz * Input voltage: 4.0V - 28.0V * Output voltage: 3.3V * Dimensions: 36 x 17.3 mm / 1.4" x 0.7"

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