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To: LindyBill who wrote (3398)	7/3/1999 9:35:00 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 54805

Subject: Bluetooth Hi LinkdyBill, can you point me to that link? BT uses a frequency-hop spread spectrum technique at the physcial layer. See references below. While BT does support point-to-multipoint topologies, as well as point to point, I'm not certain as to how the multipoint is actually done. There was a BT conference last month, by which time the changes to the specifications were to be releases, but I haven't seen them yet. Regards, Frank Coluccio --------- From the Bluetooth web site at: bluetooth.com bluetooth.com countersys.com General Bluetooth Characteristics include: - Operates in the 2.4 GHz Industrial-Scientific-Medical (ISM) band. - Uses Frequence Hop (FH) spread spectrum, which divides the frequency band into a number of hop channels. During a connection, radio transceivers hop from one channel to another in a pseudo-random fashion. - Supports up to 8 devices in a piconet (two or more Bluetooth units sharing a channel). - Built-in security. - Non line-of-sight transmission through walls and briefcases. - Omni-directional. - Supports both isochronous and asynchronous services; easy integration of TCP/IP for networking. - Regulated by governments worldwide.