■ 4G Wireless in the Car: Speeding With Impunity

High-speed 4G wireless connections have come to the car. Audi started offering LTE service (shorthand for long-term evolution) in the 2015 A3 last spring. General Motors has included 4G LTE in the 2015 Chevrolet Malibu, and more than 30 other G.M. models are to follow by year’s end.

How will 4G benefit a driver or passenger? One conspicuous improvement will be the ability, on G.M. vehicles, to “download directions while OnStar is talking to you,” Chris Penrose, AT&T’s senior vice president for emerging devices, said in an interview. Also, cars can be roving Wi-Fi hot spots for up to seven devices.

Drivers want answers and refreshed maps in seconds, rather than minutes. And LTE is seven times as fast as previous 3G cellular services, the senior manager for connected vehicles at Audi said. Such speeds allow Audi to send pictures of destinations from Google Street View to a dashboard screen, or to use Google Voice to search for a coffee shop without having to remember special spoken commands.

(New York Times)

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