Unstrung's Dan Jones broke the news last week that Cisco Systems is "close to buying a WiMax base station company," with plans to do so "within a matter of weeks."

The company's list of potential acquisition targets, Jones says, has been narrowed down to Alvarion, Aperto, Navini and Redline.

"Cisco is clearly more interested in the prospects of WiMax than it once was," Jones writes. "Management identified WiMax as one of the 'growth markets' for the company at an analyst day earlier this month."

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