Definition

Bluetooth

Contributor(s): Keith Flint, Kim Karvinen, Lawrence McKnight, and David Tee

Bluetooth is a telecommunications industry specification that describes how mobile phones, computers, and personal digital assistants (PDAs) can be easily interconnected using a short-range wireless connection. Using this technology, users of cellular phones, pagers, and personal digital assistants can buy a three-in-one phone that can double as a portable phone at home or in the office, get quickly synchronized with information in a desktop or notebook computer, initiate the sending or receiving of a fax, initiate a print-out, and, in general, have all mobile and fixed computer devices be totally coordinated.

Bluetooth requires that a low-cost transceiver chip be included in each device. The tranceiver transmits and receives in a previously unused frequency band of 2.45 GHz that is available globally (with some variation of bandwidth in different countries). In addition to data, up to three voice channels are available. Each device has a unique 48-bit address from the IEEE 802 standard. Connections can be point-to-point or multipoint. The maximum range is 10 meters. Data can be exchanged at a rate of 1 megabit per second (up to 2 Mbps in the second generation of the technology). A frequency hop scheme allows devices to communicate even in areas with a great deal of electromagnetic interference. Built-in encryption and verification is provided.

The technology got its unusual name in honor of Harald Bluetooth, king of Denmark in the mid-tenth century. 

 

This was last updated in November 2006

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What is Bluetooth? When was it discovered?

This Bluetooth is commonly used to share the data between two different electronic devices. This is one of the most common integration in every phone in our daily life. Based on the working of this system many new inventions are come in these days. For example Bluetooth speakers, Wireless headset, Selfie stick etc..,. The latest […] learn more..

Answer link: http://howwhywhat.net/what-is-bluetooth-when-was-it-discovered/

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