The Blix Traffic sensor detects a WiFi ping which can cover quite a large area (up to 3,000 m2 or 10,000 sf). When a sensor is initially installed, it is “calibrated” to calculate what portion of the total WiFi coverage area is required to be measured. This calibration is further tuned and refined on an ongoing basis. This range is impacted by things such as thick concrete walls, reflective glass and other surfaces which dampen or reflect WiFi signals.
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