[LINK] NBN to cost 24 times South Korea's faster network, says research body

Marghanita da Cruz marghanita at ramin.com.au
Fri Feb 11 09:59:32 AEDT 2011

Michael Skeggs mike at bystander.net wrote:
> If it helps to understand the difference between fibre and wireless, I
> use a simplistic analogy in my mind (caveat, I am certainly not an
> engineer):
> - wireless can use all the spectrum in an area, then it is full.
> - fibre can use all the spectrum in a fibre, then it is full and
> another fibre can be laid beside it to immediately double capacity.

I wasn't talking about mobile wireless and neither is the NBN!

> No matter the possible technical innovations, the capacity of one
> fibre and one wireless will be roughly theoretically same, but fibre
> can be duplicated, the airwaves cannot.
> In practice, the bandwidth on a single fibre will also always be
> greater, as it doesn't need to be shared with other uses such as
> visible light, IR, microwaves etc.
> Regards,
> Michael Skeggs
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Marghanita da Cruz
Tel: 0414-869202

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