The Tyco Bluetooth unit is designed to be mounted on a pole in designated locations of the road network to detect unique Bluetooth MAC addresses from mobile phones, ear phones and in-vehicle hand free audio systems passing within 50 meters. It identifies and time stamps this detected information for transmission to a server via mobile wireless network or wired network.

How it Works

As mobile devices inside vehicles move through the 50 metre detection radius, the detector identifies and time-stamps their Bluetooth™ MAC address. Time-stamps of subsequent detections determine travel time across the known distance between detectors.

The server calculates from the timestamps of paired detections the travel time/speed across the known distance between detectors. This information can be displayed on a website as shown below, via SMS messages or on variable message signs installed in the road network.


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