On Fri, 2 Sep 2005 22:03:20 +0100, AD C <graphi47uk@y.a.h.o.o.co.uk>
wrote:

>In article <1125622616.815145.64040@o13g2000cwo.googlegroups. com>,
>ledlight@gmail.com says...
>> Well mebbe wires going way of telegrams and telegraph.
>>
>Not for a long time.
>
>> Got WiFi, GSM, satellite and coming soon, for next few years, WiMax.
>> None of them a one size fits all solution in themselves but combined
>> get rid of some of reasons for having wires or fibres.
>
>wi-fi have got problems with distance, GSM is too expensive and also got
>blackspots. Satellite hyas too much of a delay and most of the time it
>is only one way, so you still need a phone line to transmitt the data.

The capacity of any kind of radio link is going to be limited if you
want to have multiple users in nearby locations. With physical cables,
every house in the street can have a 2Mb ADSL link. Try to do that
with radio and see how fast you run out of bandwidth.

Chris