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Message-ID: <3FB54E8F.70203@eng.ufl.edu> Date: Fri, 14 Nov 2003 16:52:15 -0500 From: Bob Johnson <bob88@....ufl.edu> To: Kurt Seifried <listuser@...fried.org> Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com Subject: Re: Re: Serious flaws in bluetooth security lead to disclosure of personal data Kurt Seifried wrote: > Actually there are three classes of bluetooth: > > Class 3 with with 0 dBm (1 mW), 100M or so range (usually as a seperate > dongle, not many devices have this capability built in as it eats batteries, > however several "base station" products do it). > > Class 2 with 4 dBm (2.5 mW), 10M or so range (the "usuall" one) > > Class 1 with 20 dBm (100 mW) 10cm range (i.e. physically next to something). > [...] Ummm, why does the range go down as the power goes up? Should there be "-" signs in front of those dBm values? Or are they listed in the wrong order? 100 mW should get you a lot farther than 10 cm if you have any antenna at all. - Bob _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
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