1 What you should know about Bluetooth
This section introduces you to Bluetooth technology.
1.1 What is Bluetooth?
Bluetooth is a standard wireless technology that lets users make effortless, fast connections
between appropriate mobile devices and computers. Bluetooth ensures protection from interference,
increases data security, and provides greater wireless range. It is a global standard and is backed by
major industry leaders in the telecommunications, computer and consumer electronics (such as
3Com, Ericsson, IBM, Intel, Microsoft, Motorola, Nokia, Sony and Toshiba).
Bluetooth is based on a low-cost, low power, short-range radio link. Bluetooth cuts the cords that
used to tie up digital devices. When two Bluetooth equipped devices come within 10 meters range
of each other, they can establish a connection together. And because Bluetooth utilizes a
radio-based link, it doesn't require a line-of-sight connection in order to communicate. Bluetooth
uses the global available and unlicensed 2.4 GHz ISM band. As opposed to other 2.4 GHz
technologies, Bluetooth is a universal standard.
In the future, Bluetooth is likely to be standard in tens of millions of mobile phones, PCs, laptops
and a whole range of other electronic devices. As a result, the market is going to demand new
innovative applications, value-added services, end-to-end solutions and much more. The possibilities
opened up really are limitless, and because the radio frequency used is globally available, Bluetooth
can offer fast and secure access to wireless connectivity all over the world. With potential like that,
it's no wonder that Bluetooth is set to become the fastest adopted technology in history.
For more information on Bluetooth, please visit the official Bluetooth site: www.bluetooth.com
1.2 What is the "Bluetooth SIG"?
The Bluetooth Special Interest Group (SIG) is a trade association of leaders in the
telecommunication, computing and networking industries who are driving the development of
Bluetooth specifications.
Logitech is an associate member of the Bluetooth SIG and full member of the HID working group.
1.3 What is the range of Bluetooth?
Bluetooth wireless technology in its base implementation supports a range of 10 meters (33 feet).
This is the maximum distance a connection can be guaranteed in all conditions. Some devices on
the market have more powerful transceivers and as such, are likely to have greater range. This is
the case for the Logitech Bluetooth hub, and is the reason why the range of Logitech’s Bluetooth
keyboards and mice is usually much higher than 10 meters (33 feet). It is also important to note
that range is also impacted by building materials and interference.
1.4 What is Bluetooth 2.0 with Enhanced Data Rate (EDR)?
With the announcement of the 2.0 + EDR (Enhanced Data Rate) specification, Bluetooth wireless
technology took a bold new step. Adopted for qualification by the Bluetooth SIG in November of
2004, this new specification is fully backwards compatible with previous Bluetooth specification
versions. The key new features are:
• Faster data rates. Up to three times that of previous levels.
• Lower power consumption and longer battery life through a reduced duty cycle.
© 2005 Logitech, Inc. Bluetooth FAQ 1
Version 2.0
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