bluetooth proximity

Peter Nijs peter at
Mon Jun 16 18:07:52 CEST 2008

One can also measure the signal strength. I don't know how accurate that is. 
KDE has a tool that locks the desktop if you (and your bluetooth phone 
ofcourse)  are to far away.


Op Monday 16 June 2008 15:59:45 schreef Alexey Feldgendler:
> On Mon, 16 Jun 2008 12:24:27 +0200, W. B. Kranendonk
> <wankelwankel at> wrote:
> > I wondered, can two bluetooth devices ping each other and find out their
> > distance or relative speeds?
> Not that I know of, but two cooperating Freerunners can exchange
> information about their GPS coordinates and measured acceleration.

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