The modes of communication of Bluetooth Low Energy are already discussed in this chapter that is why it is a good point to introduce the Bluetooth Low Energy Beacons. They are the broadcast only devices that advertise certain information to the users around them. This functionality enables a user to receive information from the beacon and in some cases take actions too. These broadcast happens in a limited proximity and can be changed by modifying the properties of the beacons.
Bluetooth Low Energy Beacons
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