Bluetooth protocol specification.
The attribute type specifies what the attribute represents.
Bluetooth protocol specification Milwaukee School of Engineering This specification defines the technologies required to create interoperable Bluetooth devices. All LMP messages shall apply solely to The Bluetooth specification is managed by the Bluetooth SIG (special interest group). g. If you have a few hours to kill and want to learn every nook and cranny of Bluetooth, check out the published specifications, otherwise The Mesh Protocol specification outlines essential requirements for interoperable mesh networking using Bluetooth low energy technology. com) that contains both introductory information and links to specifications and other more technical details. This figure shows This specification describes the Audio/Video Control Transport Protocol (AVCTP), which is used to transport command and response messages for controlling Audio Video features in conformant devices. Many Bluetooth devices have the ability to store and show date and time information. The Basics of Gatt Specification The core principles and fundamental principles behind the Gatt protocol lay the groundwork for seamless communication between connected devices. Use of Bluetooth specifications by members of Bluetooth SIG is governed by the membership and other related A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). Sep 30, 2020 · Overview of Bluetooth® Protocol What is Bluetooth®? Bluetooth® allows wireless short-range communication between electronic devices, which operates at a speed of 2. The Bluetooth Core Specification is a comprehensive technical document that contains all the information needed to develop interoperable Bluetooth devices. The higher layers of the protocol stack (L2CAP, SDP, RFCOMM) are run on the host device’s processor The lower layers of the protocol stack (Baseband and radio) are run on specific Bluetooth hardware iBeacon is just an advertising protocol—a specification from Apple that tells what data, and in what format, a Bluetooth beacon needs to advertise. This specification outlines the essential requirements for creating interoperable mesh networks using Bluetooth low energy wireless technology. Oct 31, 2025 · The two primary technical specifications that work together to enable passkeys are Web Authentication, commonly referred to as WebAuthn, and the Client to Authenticator Protocol (CTAP), commonly referred to as FIDO2. For details, see [Vol 2] Part C, Link Manager Protocol Specification and [Vol 6] Part B, Link Layer Specification. Provides specifications and documents for the Audio/Video Control Transport Protocol (AVCTP) in Bluetooth technology. The following protocol list is an Sep 6, 2022 · While Bluetooth Classic and Bluetooth Low Energy protocols share many similarities, such as both being protocols covered by the Bluetooth Specification and both operating within the 2. The term “server device” in this specification refers to the device that exposes date and time information by implementing this specification. Supporting point-to-point device communication, Bluetooth Classic is mainly used to enable wireless audio streaming and has become the standard radio protocol behind wireless speakers, headphones, and in-car entertainment systems. General description This Part of the specification provides an overview of the Bluetooth system architecture, communication topologies, and data transport features. Architecture 1. The Link Manager Protocol (LMP) is used to control and negotiate all aspects of the operation of the Bluetooth connection between two devices. 3). For the BR/EDR or LE Controller, these commands typically involve the Link Manager (LM) to exchange LMP commands or the Link Layer (LL) to exchange LL Control packets with remote Bluetooth devices. Nov 6, 2021 · Bluetooth Protocol Stack The Bluetooth ® Special Interest Group (SIG) [1] and [2] defines the protocol stack for Bluetooth low energy (LE) and Bluetooth basic rate/enhanced data rate (BR/EDR) technology. On September 3, 2024, the Bluetooth Special Interest Group (SIG) unveiled the latest version of Bluetooth® Core Specification v6. We would like to show you a description here but the site won’t allow us. 0) adds a new way in which the physical layer may be used with a PHY called Figure 1 - The Bluetooth® LE stack LE 2M. The Device Identification Protocol defines specifications for identifying Bluetooth-enabled devices, ensuring seamless connectivity and enhanced user experience across various applications. 0 (Bluetooth® Core 5. One device is designated as the master, and the others are the slaves. The two specs together are often referred to as one stack, FIDO2/WebAuthn. 2. iBeacon packets cannot be detected via Core Bluetooth. 4GHz in the same unlicensed ISM frequency band where RF protocols like ZigBee and WiFi also exist. Bluetooth is an industry specification for short-range RF-based connectivity for portable personal devices. With more than 38,000 member companies, the Bluetooth SIG aims to create a world without wires. 2 of the Bluetooth Core Specification to introduce the ability to authenticate devices that have a very limited user interface, such as a light or a switch. The requirements are expressed in terms of end-user services, and by defining the features and procedures that are required for interoperability between Bluetooth devices in the File Transfer usage model. 15. Errata Correction 23224 is mandatory when claiming compliance to IrDA Interoperability 2. How Bluetooth Works The Bluetooth protocol operates at 2. W3C Web Authentication (WebAuthn) WebAuthn is the primary specification used by developers. Two piconets can be connected through a common Bluetooth device (a gateway Telephony Control Protocol 是由 TCS BIN （Telephone Control Specification - Binary）來製作， TCS BIN 可模擬電話系統的撥號、提起話機、忙線狀態的處理，並且也提供行動電話的管理程序。 Adopted Protocol 是依各種需求而加入的協定，譬如 PPP 、 IP 、 UDP 、 WAP 等等。 LE 2M The bottom layer of the Bluetooth® Low Energy (LE) stack is called the Physical Layer. Secondary controllers allow the use of the IEEE 802. A Bluetooth Wireless Personal Area Network (BT-WPAN) consists of piconets. Stereo Headset: To listen to music in car or in music players at home. This figure shows Explore the BLE protocol stack and system architecture, detailing each layer's functions from the physical layer to the application layer. GHS defines an exchange protocol that can be used to communicate health-related observations from different types of personal health devices. Use of Bluetooth specifications by members of Bluetooth SIG is governed by the membership and other related Part A. 10 standard, along with some Bluetooth ® specific adaptations Errata Correction 23224 is mandatory when claiming compliance to RFCOMM 1. The text in this Part of the specification is intended to provide an introduction to Bluetooth and does not cover every detail or every corner case. A Bluetooth® Qualification Test Facility (BQTF) is recognized by the Bluetooth SIG as competent to execute Bluetooth Qualification Process test cases identified within the Test Case Reference List (TCRL) as “Category A at or below the Host Controller Interface (HCI) layer. This document lists the common profile and service error codes sent over the Attribute Protocol. WLAN, commonly The Bluetooth Network Encapsulation Protocol Specification describes the protocol to be used by Bluetooth profiles such as Personal Area Networking Profile. 3 Enforcement of inter-layer dependencies This ICS includes one or more tables with inter-layer dependencies (ILDs). It covers topics such as the protocol stack, testing, qualification, and usage models for applications. The Bluetooth 1. The Bluetooth Special Interest Group (Bluetooth SIG) is a standards organization that manages the development and maintenance of the Bluetooth wireless technology standard. apple. Seehttp://lists. This specification defines requirements for interoperable mesh networking using Bluetooth low energy wireless technology. Sep 5, 2024 · Bluetooth 1. Defines how Bluetooth devices use the HID Specification to discover and utilize features of a Bluetooth Human Interface Device. 0 (Bluetooth® Core 6. Learn more. Bluetooth Core Specification v5. By providing well-defined layers of functionality, the Bluetooth specification ensures interoperability of Bluetooth devices and encourages adoption of Bluetooth technology. 2 Enforcement of inter-layer dependencies This ICS includes one or more tables with inter-layer dependencies (ILDs). iBeacon-enabled hardware can then be used with iOS Location Services and the Core Location framework. This specification defines the server component of the Generic Health Sensor Profile and Service specifications (GHS). Members will still be able to qualify products that use AMP against an earlier Bluetooth® Core Specification ve Explore the Device Identification Protocol specifications and documents for Bluetooth technology. The protocol state machine, packet format, and composition are described in this Part of the specification. The protocol to run over these two bearers is a derivative of the Security Manager protocol of v4. Note: After 1 July 2024, Errata Correction 18552 will be mandatory when claiming compliance to Core Specification 5. 0 specification, advancing the technology to a commercially viable stage. Errata Correction 23224 is mandatory when claiming compliance to IrDA Interoperability 1. This means that in each device, the authentication and encryption routines are Bluetooth Core Specification v5. AI generated definition based on: Bluetooth This specification outlines the technologies for creating interoperable Bluetooth devices, ensuring compliance with notices and disclaimers. Let us look at them. 1. Understand how BLE devices communicate and exchange data. . com. com/mailman/listinfo/bluetooth-devtojointhemailinglist. e a primary Bluetooth BR/EDR controller. All LMP messages shall apply solely to Bluetooth wireless technology provides peer-to-peer communications over short distances. The flow specification for the Attribute Protocol shall be best effort. If operating in Basic L2CAP mode, the information payload of the L2CAP B-frame shall be a single Attribute PDU. Power up your wireless projects! 🛠️ LE Audio introduces an entirely new architecture for supporting audio applications using Bluetooth® technology and sets the stage for the next 20 years of innovation in wireless audio. Platforms This Bluetooth specification defines fundamental requirements to enable an interoperable mesh networking solution for Bluetooth low energy wireless technology. In most cases, these devices do not have compatible data communication interfaces, or, if they do, the interface requires cumbersome cable connections and configuration procedures. For this reason the Bluetooth specification comprises a protocol stack provided by a hardware and software description, and an application framework, called profiles, for build-ing interoperable applications. This article gives an overview of the core protocols and those adopted protocols that are widely used. 4 GHz ISM band, they are two distinct, incompatible protocols. Errata Correction 10734 and Errata Correction 11838 are mandatory when claiming compliance to Core Specification 4. Sep 21, 2023 · Handheld devices like a cell phone, palmtop and laptop were rapidly becoming an integral part of our daily lives. Isn’t it absolutely fantastic to connect your PC to share music, data and calendar info without Service discovery in the Bluetooth environment, where the set of services that are available changes dynamically based on the RF proximity of devices in motion, is qualitatively different from service discovery in traditional network-based environments. Headset Profile 1. This document summarizes and explains each change. This includes the set-up and control of logical transports and logical links, and for control of physical links. Additional protocols have been adopted from other standards bodies. 0. The Bluetooth Classic radio also enables data transfer applications, including mobile printing. See The Bluetooth Specification refers to a document that defines the behavior of Bluetooth devices to ensure compatibility among different vendors. Jul 15, 2025 · Get information about Bluetooth version and profile support in Windows 11, including profiles and protocols, core specifications, and GATT profiles and services. A device that uses the exposed information is referred Bluetooth Protocol Stack The Bluetooth ® Special Interest Group (SIG) [1] and [2] defines the protocol stack for Bluetooth low energy (LE) and Bluetooth basic rate/enhanced data rate (BR/EDR) technology. Bluetooth profiles, on the other hand, define the functions and features required of each layer in the Bluetooth system, from PHY to L2CAP, and any other protocols outside the core specification. Up to seven devices can be connected over Bluetooth to form a piconet. 0 | Vol 0 page 4 If this specification is a prototyping specification, it is solely for the purpose of developing and using prototypes to verify the prototyping specifications at Bluetooth SIG sponsored IOP events. These measures are designed to be appropriate for a peer environment. 3 (Bluetooth® Core 5. In-Car Headset: One can make calls from the car speaker system without the use of mobile phones. ILDs are used for specification requirements that are dependent on other supporting specifications. There is a standardized set of rules and specifications that differentiates it from other protocols. A Bluetooth profile is a specification regarding an aspect of Bluetooth-based wireless communication between devices. Note: Expedited Specification Update 25800, 27096 and 27195 are mandatory when claiming compliance to Core Specification 6. 3. Each piconet is a cluster of up to eight Bluetooth devices. The fundamental objectives of these specifications are to develop interactive services and applications over interoperable radio components and data communication protocols. 1 abstract provides more info: Abstract: The lower transport layers (L2CAP, LMP, Baseband, and radio) of the Bluetooth™ wireless technology are defined. 4 days ago · The following 802. The Bluetooth Core Specification is the primary specification for both Bluetooth LE and Bluetooth Classic. A Bluetooth® profile is a specification which pulls together all the required information about how a device behaves, how it can be accessed in terms of its services, characteristics and descriptors, security rules, concurrency limitations, and so on. The Link Manager Protocol is used to communicate between the Link Managers (LM) on the two devices. By establishing a common language and framework, Gatt specification enables devices to interact and share information effectively. Defines the technologies needed for interoperable Bluetooth devices. Two piconets can be connected through a common Bluetooth device (a gateway The Device Identification Protocol defines specifications for identifying Bluetooth-enabled devices, ensuring seamless connectivity and enhanced user experience across various applications. Error codes have a size of one octet. The Bluetooth Logical Link Control and Adaptation Protocol (L2CAP) supports higher level protocol multiplexing, packet segmentation and reassembly, and the conveying of quality of service information. Bluetooth SIG defined attribute types are defined in Assigned Numbers and used by an associated higher layer specification. It is low-cost and even if the Bluetooth is cut off, a cord can be used in replacement of it. blue-tooth. This specification defines the technologies required to create interoperable Bluetooth devices. This application profile defines the requirements for Bluetooth ® devices necessary for the support of the File Transfer usage model. The Bluetooth Network Specifications consolidate the recently adopted Mesh Network Specifications (Mesh Profile, Mesh Model, and Mesh Device Properties) and define requirements to enable interoperable multi-cell (m:m) networking solutions for Bluetooth Low Energy (LE) wireless technology. 2 Adopted This profile defines the requirements for Bluetooth ® devices necessary to support the Headset use case. Certain combinations and configurations are defined for use in support of diferent application types, each with particular The Link Manager Protocol (LMP) is used to control and negotiate all aspects of the operation of the Bluetooth connection between two devices. Part A. Also specified are the message formats that are exchanged between such devices to transport their A/V streaming in A/V distribution applications. Learn how new features introduced in version 5. 1. Jun 11, 2012 · The heart of the Bluetooth specification is the Bluetooth protocol stack. 2… Jun 28, 2022 · 🔍 Learn how Bluetooth communication protocol works in PCB design! Explore RF signal transmission, protocol stack layers, and specifications for wireless connectivity. If you have a few hours to kill and want to learn every nook and cranny of Bluetooth, check out the published specifications, otherwise This document specifies the RFCOMM protocol by specifying a subset of the ETSI TS 07. 5 milliwatts, giving it a very This specification defines the technologies required to create interoperable Bluetooth devices. Similarly, Bluetooth also has a method for proposing, ratifying, and standardizing protocols and specifications that are eventually adopted by the Bluetooth community. In order to provide usage protection and information confidentiality, the system provides security measures both at the application layer and the Link Layer. It operates in a globally unlicensed radio band, which means anyone can build a Bluetooth product. In the most widely used mode, transmission power is limited to 2. The official website for the Bluetooth wireless technology. This involves creating and updating the Bluetooth specifications, promoting the Bluetooth brand, ensuring device compatibility The Bluetooth specification documents provide an authoritative resource that elucidates the Bluetooth protocol’s intricate details, without which the development of interoperable and efficient Bluetooth devices would be a challenging task. Specifications Core protocols are defined by the trade organization Bluetooth SIG. 0 In July 1999, the Bluetooth SIG officially introduced the Bluetooth 1. We will explore a list of Bluetooth profiles, including HSP, HFP, A2DP, PBAP, AVRCP, and MAP, and the differences between them. By continuing to use this site, you consent to our use of cookies. This specification describes the Audio/Video Control Transport Protocol (AVCTP), which is used to transport command and response messages for controlling Audio Video features in conformant devices. Prototyping Specifications cannot be used to develop products for sale or distribution and prototypes cannot be qualified for distribution QuestionsorcommentscanbepostedtotheApplemailinglistforBluetoothdevelopment,mailto:bluetooth- dev@lists. It's a standard for short-range wireless communication, allowing devices like your phone, headphones, keyboard, and smartwatch to connect and share information without the mess of cables. 10 standard, along with some Bluetooth specific adaptations. Among these concepts are the Physical Transport, Physical Channel, Physical Link, Logical Link, and Logical Transport. You are advised to seek appropriate legal, engineering, and other professional advice regarding the use, interpretation, and effect of this specification. ILDs can refer to an individual ICS item in a separate layer (individual ILD), or it can refer to the full layer (full-layer ILD). This figure shows Bluetooth profiles are standardized sets of protocols that define how Bluetooth devices communicate and interact with each other for specific purposes. This profile defines the requirements for Bluetooth devices necessary for setting up emulated serial cable connections using RFCOMM between two peer devices. Bluetooth® Core Specification v5. This service defines how a Bluetooth device can expose date and time information to other Bluetooth devices. How products use Bluetooth such that they are interoperable is covered by collections of specifications of two special types known as profiles and services. Related Resource (s): Bluetooth® Core 6. This profile defines how Bluetooth devices use the HID Protocol to discover and interact with features of human interface devices. 1 contains a series of updates to the Bluetooth core specification. The Service Discovery protocol defined in this Part is intended to address the unique characteristics of the Bluetooth environment. 1 Bluetooth Protocol Stack The ultimate objective of the Specification is to allow applications written in a manner that is conformant to the Specification to interoperate with each other. Feb 18, 2025 · 1. ” If your test plan generated by Qualification Workspace indicates that a required test is Category A and to be 1. This specification outlines the technologies for creating interoperable Bluetooth devices, ensuring compliance with notices and disclaimers. 0). The IrOBEX protocol is utilized by the Bluetooth ® technology. WLAN, commonly Bluetooth technology is constantly growing, not only enhancing existing applications but also enabling entirely new use cases through performance improvements and expanded feature sets. The Bluetooth SIG announces bi-annual release schedule for its core specifications, enhancing innovation and development in Bluetooth technology. 45Ghz. The SIG maintains a website (https://www. It defines the architecture of the technology and its layers, it describes and defines its key features and it defines the formal procedures underpinning important operations and the protocols with which devices can communicate at a given This specification defines the technologies required to create interoperable Bluetooth devices. The specification is continuously updated as new applications for Bluetooth technology are discovered. This document defines a packet format for Bluetooth network encapsulation used to transport common networking protocols over the Bluetooth media. The Bluetooth specification defines how Bluetooth devices will group themselves for the purposes of commu-nication. The accessibility of Bluetooth makes it a perfect standard for connecting devices within personal area network (PAN) space. BLUETOOTH SPECIFICATION Version 5. Apr 29, 2025 · Use of this specification is your acknowledgement that you agree to and will comply with the following notices and disclaimers. Agree This protocol defines A/V stream negotiation, establishment, and transmission procedures. Oct 20, 2020 · An easy to understand introduction and overview of the Bluetooth wireless communication protocol enlisting the major elements and their roles Jan 31, 2023 · Use of this specification is your acknowledgement that you agree to and will comply with the following notices and disclaimers. Explore the Test Case Reference List packages for Bluetooth specifications and access comprehensive test documents for all released specifications since 2012. The IrOBEX protocol is utilized by the Bluetooth technology. The Bluetooth Network Encapsulation Protocol Specification describes the protocol to be used by Bluetooth profiles such as Personal Area Networking Profile. Oct 3, 2025 · Bluetooth Protocol Stack Types of Bluetooth Various types of Bluetooth are available in the market nowadays. Explore the layered architecture of the Bluetooth protocol stack, its core components, and key features in mobile computing and wireless communication. , corresponding client and server application) in remote devices must run over identical protocol stacks. OUTLINE The Bluetooth Usage Models The General Bluetooth Architecture: Range and Power Network Topology: Piconets and Scatternets The Bluetooth Protocol Stack: Core & Profile Protocols Bluetooth Basics and Core Protocols High-level Architecture of a Bluetooth Module Radio System (RS) This specification is not available for download. To give you the best possible experience, this site uses cookies. Errata Correction 4656 is mandatory when claiming compliance to Core Specification 4. The Bluetooth Mesh specifications were defined in the Mesh Profile [1] and Mesh Model [2] specifications by the Bluetooth Special Interest Group (Bluetooth SIG). The requirements are expressed in terms of end-user services, and by defining the features and procedures that are required for interoperability between Bluetooth devices in the Headset use case. Bluetooth Classic is designed to handle a lot of data, but it also consumes power quickly. 0 standard primarily targeted point-to-point wireless connections such as wireless communication between mobile and computing devices, computers and peripherals, mobile and headsets, among others. 0 of the Bluetooth Core Specification significantly increase the range, speed, and broadcast messaging capacity of Bluetooth applications. Get up to date specifications, news, and development info. This document specifies the RFCOMM protocol by specifying a subset of the ETSI TS 07. The objective of this HCI UART Transport Layer is to make it possible to use the Bluetooth HCI over a serial interface between two UARTs on the same PCB. The original Bluetooth 1. Non-Bluetooth SIG attribute types may also be defined. Bluetooth Mesh is a computer mesh networking standard based on Bluetooth Low Energy that allows for many-to-many communication over Bluetooth radio. The HCI UART Transport Layer assumes that the UART communication is free from line errors. This includes products such as headsets, TVs, smartphones, personal computers, headphones, earbuds, wireless speakers, and wireless microphones. Particular configurations of the physical layer are often referred to as a PHY. The Security Manager (SM) defines the protocol and behavior to manage pairing, authentication, and encryption between LE-only or BR/EDR/LE devices. 1 Modes of Operation The Bluetooth Core Specification defines several concepts that collectively constitute the Bluetooth data transport architecture. This document summarizes and explains the three primary updates in Bluetooth® Core Specification v5. While other protocols like Zigbee and RFID can be used to connect networks of sensors and build connectivity across devices, Bluetooth is pre-existing in common consumer electronics. 11 MAC and PHY protocols instead of the standard Bluetooth layers ecification v5. Jun 11, 2022 · This profile establishes configuration settings of underlying audio-related specifications to allow manufacturers to deliver interoperable conversational, streaming, and broadcast audio user experiences in a wide variety of telephony and media products. List of Bluetooth profiles The Bluetooth logo In order to use Bluetooth, a device must be compatible with the subset of Bluetooth profiles (often called services or functions) necessary to use the desired services. The architecture, procedures and protocols of Bluetooth LE are defined in full by one key specification called the Bluetooth Core Specification. To achieve this interoperability, matching applications (e. The attribute type specifies what the attribute represents. In Bluetooth, OBEX offers the same features for applications as within the IrDA protocol hierarchy, enabling the applications to work over the Bluetooth protocol stack as well as the IrDA stack. qagoqgagaadqqaotvngfgmlkhpfyqcuwxnvfzmkfrhnjebfdfhpwrezpzlzblqtbhqushwdshqd