Though all handset makers are interested in China, many are waiting for the country to upgrade its networks to the 4G technology LTE, said Lin.

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"I don't know how are they going to afford it, " says American Technology Research analyst Albert Lin.

FORBES: Qwest's Offer Is Beyond Its Means

"Basically this allows you to have greater bandwidth and lower cost, " says American Technology Research analyst Albert Lin.

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"Any mechanical motion, such as the movement of arms or the fingers of a robot, could be translated to control signals, " said Zhong Lin Wang, a professor at the Georgia Institute of Technology.

BBC: Sensors