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How 5G works

A 5G logo is displayed at an event
Qualcomm touts 5G wireless during an event at CES this year. Photo: David Becker/Getty Images

5G wireless networks, a segment of the wireless infrastructure that Trump's National Security Council may seek to nationalize, are expected to deliver data up to 100 times faster than any mobile technology available today.

Why it matters: 5G — shorthand for the fifth generation of wireless networks — will enable a wide range of products, including self-driving cars, virtual reality and other parts of the growing Internet of Things that all rely on super-fast connectivity.