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Bluetooth beacons send Bluetooth signals containing their own IDs and signal strength values through Bluetooth communication. After the mobile device receives the signal, it calculates the distance to the device based on the signal strength value, and combines multiple location information to accurately calculate the location of the device.
Bluetooth Smart has grown rapidly since the launch of Bluetooth 4.0 in 2010. The Bluetooth 4.2 version was released in December 2014. It has three new features compared to Bluetooth 4.0, making it the...