A coalition of tech giants is promoting a wireless networking standard that transmits broadband data over unused broadcast spectrum known as "white space" at speeds that could reach 1.5 megabits per second to individual devices. Known as Wi-FAR, the 802.22 standard -- which was approved by the IEEE in 2011 and is the brainchild of Google, Microsoft and Facebook -- aims to address the digital divide by providing access to underserved areas at a price point below that of standard Long-Term Evolution services.

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