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The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10.
The way a device uses Bluetooth depends on its profile capabilities. The profiles provide standards that manufacturers follow to allow devices to use Bluetooth in the intended manner. For the Bluetooth Low Energy stack, according to Bluetooth 4.0 a special set of profiles applies.
[1] [3] As of A2DP version 1.3, the Low Complexity Subband Coding remains the default codec and its implementation is mandatory for devices supporting that profile, but vendors are free to add their own codecs to match their needs. [1] At CES 2020 the Bluetooth SIG announced LC3 as the successor of SBC. LC3 is used in the LE Audio protocol ...
The Bluetooth SIG completed the Bluetooth Core Specification version 4.0 (called Bluetooth Smart) and has been adopted as of 30 June 2010. It includes Classic Bluetooth, Bluetooth high speed and Bluetooth Low Energy (BLE) protocols. Bluetooth high speed is based on Wi-Fi, and Classic Bluetooth consists of legacy Bluetooth protocols.
The Bluetooth asynchronous connection-oriented logical transport (ACL) is one of two types of logical transport defined in the Bluetooth Core Specification, either BR/EDR ACL or LE ACL. BR/EDR ACL is the ACL logical transport variant used with Bluetooth Basic Rate/Enhanced Data Rate (BR/EDR, also known as Bluetooth Classic) whilst LE ACL is the ...
The technology was marketed as Bluetooth Smart and integration into version 4.0 of the Core Specification was completed in early 2010. [17] The first smartphone to implement the 4.0 specification was the iPhone 4S, released in October 2011. [18] A number of other manufacturers released Bluetooth Low Energy Ready devices in 2012.
The Bluetooth Special Interest Group (Bluetooth SIG) is the standards organization that oversees the development of Bluetooth standards and the licensing of the Bluetooth technologies and trademarks to manufacturers. The SIG is a not-for-profit, non-stock corporation founded in September 1998.
Bluetopia is Stonestreet One's implementation of the upper layers of the Bluetooth protocol stack above the HCI interface and has been qualified to version 4.0 and earlier versions of the Bluetooth specification. The Application Programming Interface (API) provides access to all of the upper-layer protocols and profiles and can interface ...