[MLB-WIRELESS] Whats Faster ??

[Jamie Lovick]

Hi,

On 12 Aug 2003, Stygen wrote:
>
> There is two different questions here.
> 
> A) What is faster for transferring data?
> 
> Both Fiber Optic and Copper wired networks can be 10, 100, or 1000
> Mbps depending on your hardware. 802.11b runs at 11Mbps half duplex
> (little bit less).  So the cat-5 and fiber optic transfer speed is
> much faster than 2.4GHz networking using currently available
> hardware.
> 
> B) Speed through medium.
> 
> It wouldn't surprise you to hear that Fiber Optic data travels at
> the speed of light in plastic (for the sake of argument there is
> very little difference between the speed in air).  2.4GHz also
> travels at the speed of light.  The best way to explain this is to
> compare it to UV light.  You understand that UV light travels from
> the sun at the speed of light.. well the waves used by 2.4GHz gear
> travels at comparable speeds, it is the same form of energy, but
> with a wavelength about a million times larger.
> 
> Cat5 carries a maximum of 100MHz signal through copper. I could be
> well wrong here, but my assumption is that the signal is carried
> through the copper as per current, which involves electrons.  Since
> it is being transmitted via matter rather than through it, my
> assumption is that the speed would be more like the speed of sound.  
> Correct me if wrong.. anyone.

This page has some useful information about Velocity of Propagation
(VOP) of various cables:

http://www.tscm.com/riprcop.html

Regards

Jamie

--
Jamie Lovick    <->  IT Consultant    <-> +614 1479 1681
Hobby     : Doof.org                   -> jalovick at doof.org
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