Will Wimax win out over 3G?

Emerging market economies are bypassing fibre-optic internet cables and heading straight for wireless technology. The question for investors is: which of the rival systems vying for business will prove the new VHS, and which will go the way of Betamax.

Emerging market economies have gone on an unbridled building frenzy over the last decade. The development path has been clear so far you lay water pipes, pave the roads and watch the skyscrapers stretch into the skyline. But the next stage of development the telecommunications infrastructure will be much harder. Neither China nor India wants to spend ten years digging up cities to lay fibre-optic internet cables if these become redundant in the meantime. And that's why developing countries are turning straight to wireless systems, such as Wimax, to plug their cities into the web.

Wimax is a system for sending huge amounts of digital data via radio signals. It has been heralded as the replacement for mobile phone and wi-fi broadband networks. Unlike wi-fi (the system found in airports and cafes for internet access), which sends signals no further than 300 feet, only a few Wimax transmitters are needed to blanket an entire city with internet connectivity. It's "wi-fi on steroids", as Barry West of telecom Sprint Nextel puts it. Wimax is also meant to offer faster download speeds than competing third-generation (3G) networks, and delivers wide area telephone networks supporting internet and video telephony at a tenth of the cost. And because you don't have to dig up pavements to lay cables to every home, it's also far cheaper (about 40%) to deploy. The plan is to build Wimax chips into TVs, laptops and mobile phones, so you can download films within seconds to watch in your car, for example, or video conference while you are out of the office. Dozens of global telecoms groups have placed bets on Wimax and plan to spend $13bn over the next few years to build 300 such networks, says Cliff Edwards in Business Week.

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Eoin came to MoneyWeek in 2006 having graduated with a MLitt in economics from Trinity College, Dublin. He taught economic history for two years at Trinity, while researching a thesis on how herd behaviour destroys financial markets.