E85 Information/Communication
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- Data and voice
Bluetooth was developed for the transmission of both voice as
well as data. A bandwidth of approx. 1 MBit/s is available for this
purpose.
- Interception security
All transmitted data can be scrambled and unscrambled. It is
possible to differentiate up to 281 trillion devices.
Changing the frequencies 1600 times per second is a further
decisive security feature. The relatively small range of approx.
10 m also contributes to security as tampering with the data
flow is only possible in the immediate vicinity.
A coupling procedure in which a pass key is entered is required
once (initial logon) to establish a secure connection between
two Bluetooth devices.
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