Bluetooth is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks.
There are two important parameters of Bluetooth devices – class and supported profiles.
“Class” signifies the distance at which a Bluetooth connection is possible. Most mobile devices are Class 2, which means they have a range of up to 10 m. Class 1 devices are rare and have a range of up to 100 feet.
A “profile” is a type of Bluetooth connection. The most common are the Headset (HSP) and Handsfree (HFP) profiles that enable the device to connect to a wireless headset or handsfree.
Some other profiles are OBEX (OBject EXchange) which allows transfer of files, contacts and events; A2DP, which adds support for streaming of stereo sound and AVRC, which allows remote control of playback.
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What’s is bluetooth? Bluetooth is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks. There are two important parameters of Bluetooth devices – class and supported profiles. “Class” signifies the distance at which a Bluetooth connection is possible. Most mobile devices are Class 2, which…