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Written by Nick Anghel
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Nov 21, 2005 at 09:58 PM |
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Bluetooth networking transmits data via low-power radio waves. It communicates on a frequency of 2.45 gigahertz (actually between 2.402 GHz and 2.480 GHz, to be exact). This frequency band has been set aside by international agreement for the use of industrial, scientific and medical devices (ISM). |
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Last Updated ( Nov 17, 2009 at 05:11 PM )
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Written by Nick Anghel
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Nov 21, 2005 at 04:16 PM |
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When you use computers, entertainment systems or telephones, the various pieces and parts of the systems make up a community of electronic devices. These devices communicate with each other using a variety of wires, cables, radio signals and infrared light beams, and an even greater variety of connectors, plugs and protocols.
There are lots of different ways that electronic devices can connect to one another. For example:
Component cables
Electrical wires
Ethernet cables
WiFi
Infrared signals
The art of connecting things is becoming more and more complex every day. In this article, we will look at a method of connecting devices, called Bluetooth, that can streamline the process. A Bluetooth connection is wireless and automatic, and it has a number of interesting features that can simplify our daily lives.
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Last Updated ( Nov 17, 2009 at 05:00 PM )
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How Bluetooth Security Works ? |
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Written by Nick Anghel
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Nov 21, 2005 at 04:06 PM |
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In any wireless networking setup, security is a concern. Devices can easily grab radio waves out of the air, so people who send sensitive information over a wireless connection need to take precautions to make sure those signals aren't intercepted. Bluetooth technology is no different -- it's wireless and therefore susceptible to spying and remote access, just like WiFi is susceptible if the network isn't secure. With Bluetooth, though, the automatic nature of the connection, which is a huge benefit in terms of time and effort, is also a benefit to people looking to send you data without your permission. |
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Last Updated ( Nov 17, 2009 at 05:10 PM )
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Written by Nick Anghel
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Nov 21, 2005 at 03:58 PM |
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Let’s say you have a typical modern living room with typical modern stuff inside. There’s an entertainment system with a stereo, a DVD player, a satellite TV receiver and a television; there's also a cordless telephone and a personal computer. Each of these systems uses Bluetooth, and each forms its own piconet to talk between the main unit and peripheral. |
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Last Updated ( Nov 17, 2009 at 05:12 PM )
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How Bluetooth Creates a Connection ? |
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Written by Nick Anghel
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Nov 21, 2005 at 11:08 AM |
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Bluetooth takes small-area networking to the next level by removing the need for user intervention and keeping transmission power extremely low to save battery power. Picture this: You're on your Bluetooth-enabled cell phone, standing outside the door to your house. |
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Last Updated ( Nov 17, 2009 at 05:09 PM )
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