| Introduction | Global Standard | Speed | Power | Connectivity |

Introduction

Bluetooth wireless technology propels you into a new dimension in wireless communications. In this dimension, all digital devices communicate seamlessly and connectivity between computers, mobile phones and portables is as simple as flicking a switch.

Bluetooth wireless technology is set to revolutionize the personal connectivity market by providing freedom from wired connections. It is a specification for a small form-factor, low-cost radio solution that provides links between mobile computers, mobile phones and other portable and handheld devices, as well as connectivity to the internet. The Bluetooth Special Interest Group (SIG), comprised of leaders in the telecommunications, computing, and network industries, is driving development of the technology and bringing it to market. The Bluetooth SIG includes promoter companies 3Com, Ericsson, IBM, Intel, Lucent, Microsoft, Motorola, Nokia, and Toshiba, as well as BlueLinx and more than 1900 other adopter companies.

To become truly wireless means more than connecting to the other side of the globe -- also means connecting to the other side of the room.

A Global Specification for Wireless Connectivity

Bluetooth wireless technology makes it possible to connect any compatible portable and stationary communication device as easily as switching on the lights -- without a single inch of cable. The technology is based on a radio link that offers fast and reliable transmissions of both voice and data. Documents will be sent at a speed of 1 Mbit/s and the Bluetooth wireless technology will carry up to three high quality voice channels simultaneously.

Bluetooth wireless technology uses a frequency range available globally to ensure communication compatibility worldwide. The Bluetooth wireless technology is a global specification for personal area wireless connectivity.

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Speed

Bluetooth wireless technology facilitates high-quality voice and data transmissions. It provides a transmission speed of 1 Mbit/s and its aggregate capacity handles up to three voice channels simultaneously. In addition, it is designed to be fully functional even in very noisy radio frequency environments, and its voice transmissions are audible under severe conditions.

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Power

Appliances utilizing Bluetooth wireless technology consume far less power than other devices, such as modern mobile phones. Power is conserved because transmission mode is only used as necessary, and always for the shortest possible period of time.

Bluetooth wireless technology limits microchip output power to only what is actually required. For example, if the receiving device indicates that it is only a short distance away, the transmitter immediately modifies its signal strength to suit the exact range. This feature dramatically reduces power consumption as well as radio signal interference. Furthermore, the chip automatically shifts to a low-power mode as soon as traffic volume decreases or stops. The low-power mode is only interrupted by very short signals to verify the established connection.

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Connectivity

Bluetooth wireless technology supports both point-to-point and point-to-multipoint connections. A piconet is a wireless connection with one master and up to seven slave devices actively participating on the network. Several piconets can be established and linked together, while fully synchronizing all devices within each piconet. The full-duplex data rate within a multiple piconet structure with 10 fully loaded, independent piconets is more than 6 Mbit/s.

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| Introduction | Global Standard | Speed | Power | Connectivity |



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