High Hopes Grow for Big, New Wireless Networks

"...Big wireless projects often don't live up to lofty expectations." "A Wi-Fi signal can travel farther than a block under ideal conditions. But buildings, trees, cars and other wireless networks can interfere. Even emissions from microwave ovens and cordless phones can cause a Wi-Fi signal to go wrong. With so many variables, designing a Wi-Fi system is always part luck, says wireless analyst Julie Ask at JupiterResearch.