Bluetooth® wireless technology is an open, accepted standard for wireless communication. As long as Bluetooth electronic equipment is within approximately 10 meters of each other, they can communicate and transfer data, speech, music, or images without a physical connection. Bluetooth is the key enabling technology for IQUA in 2004-2005, and will continue to be one of the essential technologies from 2005 onwards.
Bluetooth technology is an essential, everyday tool found in a various types of electronic equipment. This technology makes it easy to transfer speech between a mobile phone and a headset, a mobile phone and a pocket computer, or images from a digital video camera to a PC. And even though two Bluetooth units comply with the standard and should be connected, it may not necessarily make sense for them to speak to each other. For instance, a Bluetooth mouse would not profit much from a connection with a digital camera, or a headset with a keyboard.
The basic requirement for Wireless Bluetooth Headset units to be able to communicate is that they are located within 10 meters of each other. This is the range of the Bluetooth radio waves under the current standard. In order for Bluetooth units to communicate without others listening in, Bluetooth electronic equipment must be paired. To accomplish this, the equipment must recognize each other and be accessed with the same number/pin code. This is a simple, onetime process that safeguards against others with Wireless Bluetooth Headset being able to hear your phone conversations or receive your data on another pocket PC.
For extra security, Bluetooth electronic equipment can hop randomly between 79 frequencies 1,600 times per second, which makes it virtually impossible for anyone to listen in. Additionally, it is possible to encrypt the information sent between equipment units with a code that only those two units recognize.
Bluetooth wireless technology works in an open frequency spectrum at 2.4 gigahertz, the same as wireless networks, telephones and other electronic equipment. It is possible for all types of equipment to operate within the same spectrum without disrupting each other because a frequency consists of several channels thet the equipment can hop between to find quiet channels.
With the Bluetooth 1.2 standard, electronic equipment can find quiet channels beforehand, communicate between them and resend data if anything is lost due to noise. Today's Bluetooth Headset signals have a maximum strength of 2.5 milliwatts and a range of about 10 meters, (Class 2 equipment). Because of this weak signal, there cannot be either numerous or large physical obstacles between two communicating Bluetooth Headset devices. An important advantage of the weak signal used by Bluetooth is that the electromagnetic radiation emitted by all electronic equipment is also very weak. In fact, the strength is about 1/800 of that emitted by a mobile phone.
Friday, February 20, 2009
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