RE: Ethernet and phone line trough mains - someone test it?

["Timothy Morris" <timothy.morris@xxxxxxx>]

I've actually got a beam and block ceiling between ground and first
floor in my place, but it could be that the access point can be seen
not
quite through line of site from both floors.

Tim.

> -----Original Message-----
> From: Ian Lowe [mailto:ian@xxxxxxx]
> Sent: 20 October 2002 02:21
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Ethernet and phone line trough mains -
someone
test
> it?
> 
> The problem is not the concrete, it's the re-bar.
> 
> Multi-storey concrete buildings have entensive re-inforcement bar
latticed
> within the structure, It's a very effective Guassian cage. I know
several
> residents of such buildings in Glasgow have considerable problems
with
> radio
> and TV reception also, despite have clear line of sight to the
> transmitters.
> 
> I suspect bluetooth may have less problems, as the lower power
level
will
> induce less in the way of reflections..
> 
> and as brick and block construction doesn't need re-bar, no
problem....
> 
> Ian.
> 
> -----Original Message-----
> From: Timothy Morris [mailto:timothy.morris@xxxxxxx]
> Sent: 20 October 2002 00:07
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Ethernet and phone line trough mains -
someone
> test it?
> 
> 
> 802.11 works in my house and that is typical block and brick
> construction. In fact the house that we surveyed Mark was built in
1934,
> and ALL the internal walls are brick rather than stud, and the
network
> works across 3 floors and 30 metres with only the odd blackspot.
> 
> Tim.
> 
> > -----Original Message-----
> > From: Mark Harrison [mailto:Mark.Harrison@xxxxxxx]
> > Sent: 19 October 2002 21:07
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] Ethernet and phone line trough mains -
someone
> test
> > it?
> >
> > Thanks. I guess I'm used to buildings of signficantly
"lighter"
> > construction.
> >
> > Regards,
> > Mark
> >
> > -----Original Message-----
> > From: Dan [mailto:dtoma@xxxxxxx]
> > Sent: 19 October 2002 20:51
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] Ethernet and phone line trough mains -
someone
> > test it?
> >
> >
> > Hi,
> >
> > Just a simple example... in a concrete building the 802.11b is
as
good
> > as... nothing...for me
> > I cannot operate a peer-to-peer 802.11b network even at the
same
floor
> > because of the walls.
> > The X10 devices work in all the apartments of the building
connected
> to
> > the same phase.
> >
> > This is the main reason.
> > I almost can say that the low power Bluetooth with a
theoretical
range
> of
> > 10m works better that 802.11b in the same conditions.
> > (tested by me with an iPaq H3870 - Bluetooth integrated and a
notebook
> > with a Bluetooth USB Mitsumi adapter).
> >
> > BR,
> > Dan
> 
> 
> 
> 
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