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Wednesday, July 30, 2008

Comments

Alex Tolley

"These wireless entrepreneurs could one day liberate us from wires, cables and rising prices."

Utter BS. The author seems to not understand the difference between bandwidth and capacity. The information capacity of radio waves is inversely related to wavelength. But transmission characteristics are also dependent on wavelength.

Fiber optic cable transmits short wavelength light and the capacity is effectively infinite as cables can be strung in parallel without interference. Thus the future of transmission is not by wireless as wavelengths are longer, there is limited capacity dependent on wireless spectrum availability.

Wireless has its place for mobile devices, which will become increasingly important, but it can never compete with fiber for bandwidth and capacity.

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