Well, we can learn where carmakers put wifi to keep us educated about it.
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http://www.timeslive.co.za/lifestyle/motoring/2012/12/27/bmw-brings-4g-internet-technology-to-cabin*
BMW has ushered in the next generation of mobile internet for car users.
inS
Owners with a BMW Car Hotspot require a LTE-capable SIM card which is
simply slotted in the hotspot in the usual way.
The adapter plugs into the on-board router which gets power from the
standard cigarette lighter. BMW was one of the first carmakers to offer
in-car internet access back in 2001.
Passengers can enjoy high-speed net access using up to eight devices. The
hotspot comes with a built-in battery pack and an antennae, allowing the
unit to operate for up to 60 minutes independently of the vehicle.
Long Term Evolution (LTE), also known as 4G, is one of the
fourth-generation mobile standards. It enables the smoother streaming of
music and videos from the internet to mobile devices. In areas where no 4G
is available the BMW device switches to the UMTS or GSM network.
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