Bluetooth Low Energy arrived shortly after the Bluetooth SIG introduced the Bluetooth 4.0 specification in 2010. Unlike previous-generation Bluetooth devices, Bluetooth Low Energy devices are substantially more energy efficient and, as a result, are appropriate for a number of vertical markets and applications previously impractical with Bluetooth Basic Rate (BR) or Enhanced Data Rate (EDR) devices (“Bluetooth Classic”).
In earlier Bluetooth devices, the physical layer was designed with the priority to communicate effectively even in the presence of significant RF interference; Bluetooth Low Energy devices implement a much simpler wireless communication mechanism while still achieving ...
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