Bluetooth versions
Bluetooth 1.0: the 1999 launch of Bluetooth’s initial version. Up to 1 Mbps of data transfer rate was supported.
Bluetooth 1.1: With bug fixes and added compatibility for gadgets like printers and keyboards, this 2001 release improves upon the original Bluetooth standard.
Bluetooth 1.2: This version, which was released in 2003, added a number of new features, including as quicker pairing, better security, and better power management.
Bluetooth 2.0 + EDR: This version, which was released in 2004, added Extended Data Rate (EDR), enabling higher data transmission rates of up to 3 Mbps.
Bluetooth 2.1 + EDR: This 2007 update introduced a number of new features, such as streamlined pairing, increased security, and improved power management.
Bluetooth 3.0 + HS: This version, which was released in 2009, added High-Speed (HS) mode, allowing for up to 24 Mbps of faster data transfer speeds.
Bluetooth 4.0: This version, released in 2010, added the Low Energy (LE) mode, allowing devices to use less power and have longer battery lives. Moreover, Bluetooth Smart and Bluetooth Smart Ready were introduced.
Bluetooth 4.1: This version, which was released in 2013, improved LTE compatibility, increased data transfer speeds, and supported bulk data transfer.
Bluetooth 4.2: This version, which was released in 2014, has a number of new improvements, such as enhanced security, better power management, and compatibility for Internet Protocol version 6. (IPv6).
Bluetooth 5.0: This version, released in 2016, improved support for Bluetooth Low Energy devices and added a greater range and higher data transmission rates.
Bluetooth 5.1: This version, which was released in 2019, added Direction Finding, allowing devices to ascertain the location of other Bluetooth devices.
Bluetooth 5.2: This version, which was released in 2020, adds a number of new features, including as support for LE Audio, increased speed and range, and improved security....
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