2007年8月8日星期三

General Answers for bluetooth from 1powrshop (2)

Q: What is the future direction of the Bluetooth standard?A: At this time, we anticipate the Bluetooth SIG to evolve the Bluetooth technology to provide greater bandwidth and distances, thus increasing the potential platforms and applications used in the emerging personal area networking marketplace
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Q: Where can I find more information on Bluetooth?A: The following web sites are useful Bluetooth resources: www.bluetooth.com, www.xircom.com, and www.ericsson.com/bluetooth.
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Technology Answers:
Q: How secure is a Bluetooth network?A: Bluetooth is extremely secure in that it employs several layers of data encryption and user authentication measures. Bluetooth devices use a combination of the Personal Identification Number (PIN) and a Bluetooth address to identify other Bluetooth devices. Data encryption (i.e., 128-bit) can be used to further enhance the degree of Bluetooth security. The transmission scheme (FHSS) provides another level of security in itself. Instead of transmitting over one frequency within the 2.4 GHz band, Bluetooth radios use a fast frequency-hopping spread spectrum (FHSS) technique, allowing only synchronized receivers to access the transmitted data.
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