Generic description of BlueTooth
Bluetooth is an open wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks (PANs). It was originally conceived as a wireless alternative to RS232 data cables. It can connect several devices, overcoming problems of synchronization
The word Bluetooth is an anglicized version of Old Norse Bltnn or Danish Bltand, the name of the tenth-century king Harald I of Denmark, who united dissonant Danish tribes into a single kingdom.
The implication is that Bluetooth does the same with communications protocols, uniting them into one universal standard.
The Bluetooth logo is a bind rune merging the Germanic runes (Hagall) and (Berkanan).
Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 frequencies. In its basic mode, the modulation is Gaussian frequency-shift ...more