What Are The Different Versions Of Bluetooth

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Bluetooth has become the standard in wireless technology for exchanging data over short distances. It achieves this through the use of short wave length radio transmissions from mobile and fixed devices that create ‘personal area networks’ (PANs). The PANs maintain a high level of security as the uses for this technology is never ending, quickly synchronizing several devices. Athough the idea was founded by Ericcson in 1994, it is now ran by the Bluetooth Special Interest Group, which claims more than 19,000 member companies from the computing, networking, telecommunications and consumer electronics sectors. Bluetooth is a packet-based protocol

When bluetooth first came out, it was the definitive answer for a set challenge. It seemed to fulfill a niche it opened up itself. So how is the normal person supposed to know the differences between the various bluetooths that are available on the market? Like all computer goods, the first thing to be sure of is whether or not the bluetooth you are picking is compatible with your other device. Since there are differences between the different bluetooths, they might not all work for you so you may have to find which one you can use. It really is a bit confusing as the different models seem to offer different capabilities, yet they are not all available to every device. Another thing to remember here is that a lot of computer stores will not let you return anything that has been opened, so it is important to get it right the first time around. If you are running older equipment this won’t be so hard to figure out: currently most products run on Bluetooth’s version 1.1, which offers voice dialing, call mute and last number redial. Also, it is easy to get confused when telling the difference between Bluetooth and Wi-Fi; the fact is that they are complementary of each other, as Wi-Fi operates the Wireless Local Area Network (WLAN) while Bluetooth operates in the Wireless Personal Area Network (WPAN) effectively leaving bluetooth to operate in the personal movement category more than the office or home category that Wi-Fi does.

Bluetooth version 1.2 came out in 2003 an version 2 came out in 2004. With version 1.2 offered new features that would eliminate radio frequency through frequency hopping and added a higher level of security to stop snooping and tracking. Version 2 introduced faster connection speeds by up to three times, less power consumption and improved overall performance. Then came version 2.1, somehow toting even less power consumption than version 2, does not need a PIN number and has even more security. In 2009 version 3.0 was introduced, which offered the ability to hook up to a Wi-Fi connection to increase data transmission. Bluetooth 4.0 is the latest version; touting Bluetooth Low Energy, it has increased management skills and captures the latest in power efficiency technology.

There are several applications for bluetooth technology on the market that serve purposes such as handling the wireless control of, and communication between, a mobile phone and a hands free headset. This application has found worldwide popularity. Bluetooth can also allow wireless control between a car stereo system and a mobile phone, headsets and intercoms, wireless networking between computer mainframes and all of the output devices, such as the monitor, keyboard and screen, and even a printer. It is used commercially in GPS receivers, bar code scanners, traffic control devices and medical equipment and has totally replaced infrared products. Bluetooth is also used as a wireless bridge between two Industrial Ethernet networks. Bluetooth has even entered the kids market, with all new Playstations and Nintendos coming equipped with it.

http://wistao.blogspot.ie/2012/09/comparison-of-bluetooth-different.html

http://en.wikipedia.org/wiki/Bluetooth

http://www.p4c.philips.com/bluetooth

Author

Michael Mulcreevy

Michael Mulcreevy is a writer and researcher and studied sustainability. He has special interests in technological advancements in the computer age and writes on all things current and future based such as systems for community resilience.

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