"Theoretically, capacity falls as it goes through more hops, " says Mark Whitton, general manager for wireless networks at Nortel Networks (nyse: NT - news - people ).

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"Customers have numerous options when purchasing mobile devices, " Michael Altschul, general counsel for the wireless industry group CTIA, said in a statement Monday.

WSJ: White House Calls for Cellphone 'Unlocking'

"Broadband wireless is a big upcoming category, " says Scott Richardson, general manager of the broadband-wireless division at Intel.

FORBES: Going Beyond the Call