Browse Definitions:
Definition

Bluetooth 2.0+EDR

Definition - What is Bluetooth 2.0+EDR

Bluetooth 2.0+EDR and Bluetooth 2.1+EDR are specifications for short-range wireless data exchange. Both Version 2.0 and 2.1 support EDR (Enhanced Data Rate), a faster PSK modulation scheme capable of transmitting data 2 or 3 times faster than previous versions of Bluetooth. 

Version 2.1+EDR is built to be more secure and make man-in-the-middle (eavesdropping) attacks more difficult. Connecting, which is called "pairing" is easier than in previous versions. In version 2, a Bluetooth device will make a connection automatically and all the end user has to do is confirm the connection.  Version 2 also allows multiple Bluetooth connections at the same time. 

A feature called Sniff Subrating extends battery life by reducing the active duty cycle of Bluetooth devices like keyboards and mice to improve battery life. Bluetooth hosts can specify maximum transmit and receive latencies so that low-power devices can know how often they must exit and re-enter "sniff mode." This can result in up to five times the battery life experienced by older low-power Bluetooth devices.

Specifications Bluetooth 1.0 Bluetooth 1.2 Bluetooth 2.0+EDR
(enhanced data rate)
Bluetooth 2.1+EDR
(enhanced data rate)
Bluetooth 3.0 HS
(high speed)
Transmission rate 721 kbit/s 721 kbit/s 2.1 Mbits/s 3 Mbits/s 24 Mbit/s
Adopted 2002 2005 2004 2007 2009
Backward compatible yes yes yes yes
Simple Secure Pairing yes yes yes yes
Near Field Communication yes yes
Sniff Subrating yes yes
802.11 Protocol Adaptation Layer (PAL) yes
Standard PAN range     10 meters (33 feet) 10 meters (33 feet) 10 meters (33 feet)

You can find the complete Bluetooth specifications listed here.

Learn more:

Bluetooth 2.0+EDR is a common specification for laptop computers

This was last updated in March 2010

Join the conversation

1 comment

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

yeah if these were not compatible with each other it would have been a mess
Cancel

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchCompliance

  • PCAOB (Public Company Accounting Oversight Board)

    The Public Company Accounting Oversight Board (PCAOB) is a Congressionally-established nonprofit that assesses audits of public ...

  • cyborg anthropologist

    A cyborg anthropologist is an individual who studies the interaction between humans and technology, observing how technology can ...

  • RegTech

    RegTech, or regulatory technology, is a term used to describe technology that is used to help streamline the process of ...

SearchSecurity

  • spear phishing

    Spear phishing is an email-spoofing attack that targets a specific organization or individual, seeking unauthorized access to ...

  • supercookie

    A supercookie is a type of tracking cookie inserted into an HTTP header by an internet service provider to collect data about a ...

  • email spam

    Email spam, or junk email, is unsolicited bulk messages sent through email with commercial, fraudulent or malicious intent.

SearchHealthIT

SearchDisasterRecovery

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

  • disaster recovery as a service (DRaaS)

    One approach to a strong disaster recovery plan is DRaaS, where companies offload data replication and restoration ...

SearchStorage

  • GlusterFS (Gluster File System)

    GlusterFS (Gluster File System) is an open source distributed file system that can scale out in building-block fashion to store ...

  • virtual memory

    Virtual memory is a memory management capability of an OS that allows a computer to compensate for physical memory shortages by ...

  • yottabyte (YB)

    A yottabyte is a measure of theoretical storage capacity and is 2 to the 80th power bytes, or, in decimal, approximately 1,000 ...

SearchSolidStateStorage

  • PCIe SSD (PCIe solid-state drive)

    A PCIe SSD (PCIe solid-state drive) is a high-speed expansion card that attaches a computer to its peripherals.

  • SSD caching

    SSD caching, also known as flash caching, is the temporary storage of data on NAND flash memory chips in a solid-state drive so ...

  • NVDIMM (Non-Volatile Dual In-line Memory Module)

    An NVDIMM (non-volatile dual in-line memory module) is hybrid computer memory that retains data during a service outage.

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

Close