Clearwire says it may need to raise more money (AP)

[unable to retrieve full-text content]AP - Clearwire Corp., which runs a wireless data network used mainly by Sprint customers, says it may need to raise more money because it doesn't know how much revenue it will be able to pull in from a fourth-generation mobile broadband network that it's building and from its existing mobile WiMAX Internet network after 2013.

Source: http://us.rd.yahoo.com/dailynews/rss/tech/*http%3A//news.yahoo.com/s/ap/20120217/ap_on_hi_te/us_clearwire_capital

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