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Bluetooth is the name of a protocol for a short range (10 meter) frequency-hopping 2.4 GHz radio link between wireless devices such as a mobile phone and a PC. The idea is to make connections between different electronic items much easier and simpler, and without a lot of operator intervention. Bluetooth was launched in 1998 as a joint effort between Ericsson, IBM, Intel, Nokia and Toshiba. Over 1000 companies are now involved in the effort -- so you can see that it has stirred a lot of interest in the wireless community. Products are now being produced and shipped in huge quantities (around 13% of all mobile phones in 2004), despite recent security concerns that have arisen. Will Bluetooth take over the wireless market? Or will other competing technologies that offer faster data rates or greater security win out?

Below is some information on this technology -- what it is, tutorial information, reference books, and links to more online information about the protocol.

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  Bluetooth Tutorials

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Bluetooth Security Issues

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  Where does the name come from?

Bluetooth is named after a King of Denmark, Harald Bluetooth, who ruled between 940 and 986 or thereabouts. He didn't have blue teeth, but was called that because he was very dark haired, which was unusual for people in that part of the world at that time. An unusual Viking in other respects as well, he was good at getting people to talk with each other. He united Denmark and part of Norway into a single kingdom, and was responsible for introducing Christianity into Denmark. He erected a large runestone in the Danish town of Jelling in memory of his parents Gorm The Old and Thyre Danebod. This stone still stands in its original position. King Harald was killed during a battle with his son, Svend Forkbeard, who shot him in the back with an arrow. Filial devotion obviously didn't carry on to the next generation.

Ericsson chose this name to celebrate part of the Scandinavian heritage, and in 1999 raised its own runestone to the great communicator King Harald Bluetooth outside the Ericsson offices in Lund.

History buffs can find more information on Harald Bluetooth and the original Jelling Runestone at

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  Bluetooth Reference Books

Click on a Title Below for a Direct Link to Purchase

Bluetooth 1.1 Connect Without Cables, by Jennifer Bray, Charles F. Sturman, Joe Mendolia. Hardcover - 622 pages 2nd edition (December 17, 2001).

Bluetooth Application Developer's Guide, by Jennifer Bray (Technical Editor), Brian Senese, Gordon McNutt, Bill Munday, David Kammer. Paperback - 556 pages (December 15, 2001).

Bluetooth Revealed: The Insider's Guide to an Open Specification for Global Wireless Communications, by Brent A. Miller, Chatschik Bisdikian. Paperback - 320 pages (September 25, 2000).

Data Over Wireless Networks: Bluetooth, WAP, and Wireless LANs, by Gilbert Held. Paperback - 368 pages 1st edition (November 13, 2000).

Wireless Personal Communications - Bluetooth Tutorial and Other Technologies (The Kluwer International Series in Engineering and Computer Science, Volume 592) , by William H. Tranter, Brian D. Woerner, Jeffrey H. Reed, Theodore S. Rappaport, and Max Robert (Editors). Hardcover - 288 pages (December 2000).

Bluetooth Profiles - The Definitive Guide , by Dean A. Gratton. Hardcover: 592 pages 1st edition (December 30, 2002).

Bluetooth: Operation and Use, by Robert Morrow. Paperback: 567 pages, 1st edition (June 14, 2002).

Bluetooth Demystified, by Nathan J. Muller. Paperback: 396 pages, 1st edition (September 8, 2000).

Bluetooth End to End, by Dee Bakker (Author), Diane McMichael Gilster, Ron Gilster. Paperback: 330 pages, 1st edition (January 15, 2002).

Getting Started with Bluetooth, by Madhushree Ganguli. Paperback: 416 pages , 1st edition (September 19, 2002).

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  SSS Online Related Pages and Resources

Read a 1998 News Article on SSS Online about Bluetooth. This article is based on the Ericsson, IBM, Intel, Nokia and Toshiba joint press release announcing the Bluetooth initiative and giving many of the early specifications.

Check out the links on our Wireless Links page.

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  Bluetooth Weblinks

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