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The Bluetooth wireless technology is a worldwide specification for a small-form factor, low-cost radio solution that provides links between mobile computers, mobile phones, other portable handheld devices, and connectivity to the Internet. The specification is developed, published and promoted by the Bluetooth Special Interest Group. BlueZ provides support for the core Bluetooth layers and protocols. It is flexible, efficient and uses a modular implementation. It has many interesting features:

  • Complete modular implementation
  • Symmetric multi processing safe
  • Multithreaded data processing
  • Support for multiple Bluetooth devices
  • Real hardware abstraction
  • Standard socket interface to all layers
  • Device and service level security support

Currently BlueZ consists of many separate modules:

  • Bluetooth kernel subsystem core
  • L2CAP and SCO audio kernel layers
  • RFCOMM, BNEP, CMTP and HIDP kernel implementations
  • HCI UART, USB, PCMCIA and virtual device drivers
  • General Bluetooth and SDP libraries and daemons
  • Configuration and testing utilities
  • Protocol decoding and analysis tools


Developer documentation is at, User documentation is at and additional documentation is at


Download version 5.23 (stable)
released on 8 September 2014

VCS Checkout


Related Projects


LicenseVerified byVerified onNotes
GPLv2Ted Teah17 November 2005

Leaders and contributors

Marcel Holtmann Maintainer
Max Krasnyansky Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking VCS Repository Webview
Help Mailing List Info/Archive
Developer Mailing List Info/Archive
Support Mailing List Info/Archive

Software prerequisites

This entry (in part or in whole) was last reviewed on 17 November 2005.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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