`The Wayback Machine - https://web.archive.org/web/20020407225138/http://bluetooth.com:80/dev/specifications.asp
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`Unlike many other wireless standards, the Bluetooth wireless specification includes
`both link layer and application layer definitions for product developers which supports
`data, voice and content-centric applications. Radios that comply with the Bluetooth
`wireless specification operate in the unlicensed, 2.4 GHz radio spectrum ensuring
`communication compatibility worldwide. These radios use a spread spectrum,
`frequency hopping, full-duplex signal at up to 1600 hops/sec. The signal hops among
`79 frequencies at 1 MHz intervals to give a high degree of interference immunity. Up
`to seven simultaneous connections can established and maintained.
`
`The Bluetooth Specification contains the information necessary to ensure that diverse
`devices supporting the Bluetooth wireless technology can communicate with each
`other worldwide. The document is divided into two sections: a Core Specification
`(Volume I) and Profile Definitions (Volume II).
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