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Bluetooth PC Card Bluetooth Introduction •
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International Operation
You can use Bluetooth almost anywhere. The radio operates in the 2.45 GHz
band, which is licence-free and available to any radio system in the world
Easy Connection
You can establish a connection between two or more devices almost instantly. The
connection will be maintained even if the devices are not within line of sight.
Stable Connection
Bluetooth provides a very stable connection. The technology ensures that, under
normal circumstances, you will not be bothered by interference from other radio
signals operating in the same frequency band.
Audio and Data
You can use a Bluetooth enabled device for data transfer or audio
communication; or you can use it for both simultaneously.
Range
Bluetooth is based on short-range radio transmission. The normal range of the
Bluetooth radio is either 10 meters or 100 meters, depending on your Bluetooth
equipment.
Bandwidth
A Bluetooth radio link has a maximum data transfer rate of 724 kbit/s, or three
voice channels; the data rate for a voice channel is 64 kbit/s.
Security
Two advanced security mechanisms ensure a high level of security:
Authentication prevents access to critical data and makes it impossible to falsify
the origin of a message.
Encryption prevents eavesdropping and maintains link privacy.
Low Power Usage
The Bluetooth radio is very economical, limiting its output power exactly to
what is actually needed. For instance, when transmitting to a receiving radio that
is only a couple of meters away, the radio immediately modifies its signal
strength to suit the small distance. Bluetooth consumes only a tiny bit of the
power that eg. a mobile phone needs.