Sprint's Xohm zooms: mobile wireless at 5Mbps

The gleaming black shuttle van slams down into a pothole, jolts and shudders over construction-scarred streets in downtown Baltimore, slows for late morning traffic and speeds up again, rattling over cobblestones.

But inside a handful of WiMAX-equipped notebook computers remain linked to Sprint's Xohm ("zome") network, showing consistent, and unprecedented, broadband wireless download speeds ranging from 3.7M to 5Mbps on the downlink and 1.8M to 2.6Mbps on the uplink.

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