Bluetooth LE, on the other hand, has lower data transfer rates, and it has ultra-low power consumption. One distinctive feature of Classic Bluetooth is the need to perform pairing of devices before data can be exchanged between them. It can also connect as many as seven devices. A frequent use-case for Classic Bluetooth is for streaming, as it achieves substantial throughput. The Classic Bluetooth that most people are familiar with is commonly referred to as Bluetooth v3.0 (or sometimes v2.1+EDR). Classic Bluetooth versus Bluetooth Low Energy You will see how you can write iOS and Android apps that use iBeacons to provide location-based services. In this article, you will learn the basics of Bluetooth LE and explore the world of iBeacons. Using an iBeacon, a device can detect the presence of an iBeacon and use that information to provide locale-specific functions, such as merchandise promotion, payment information, etc. One very cool use of Bluetooth LE is Apple's iBeacon. A number of health-related medical devices, such as the Heart Rate Monitor and Blood Pressure Monitor, allow your mobile device to connect to them and receive vital information about your health. However, using Bluetooth Low Energy, you don't necessarily have to pair with a device in order to perform useful work. Most people are familiar with Classic Bluetooth: You pair your Bluetooth headset with your mobile phone and use it to answer your calls, etc. Bluetooth LE is a wireless personal area network technology like its previous incarnation, Classic Bluetooth. One of the buzzwords you hear often is Bluetooth LE, short for Bluetooth Low Energy.
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