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Illustration: Sarah Grillo, Rebecca Zisser/Axios

What's a G? The mobile industry refers to new "generations" or Gs each time it introduces a new industry-wide technical standard and rebuilds the fundamentals of mobile data networking. That's been happening at roughly a once-a-decade pace.

How it works: The initial version of 5G builds on today's LTE networks but introduces a new type of radio technology that responds more quickly, moves data faster, and uses less power.

Sound smart: Here are some key 5G terms.

  • Small cells — as the name implies, these devices for providing network service are smaller than a traditional cell tower but as a result have to be placed much more closely to one another. Critical to 5G, carriers have also been using small cells to improve their 4G LTE coverage and capacity in cities.
  • Latency — the amount of delay, or lag in response, in a network. One of 5G's main advantages, along with faster speeds once a response has started.
  • Spectrum — the frequency of airwaves used to carry, among other things, cell phone signals. 5G uses a wide swath of airwaves, including higher frequencies than have been used in the past.
  • Millimeter wave — This ultra-high-frequency spectrum is key getting the fastest speeds out of 5G. These signals are also fragile, traveling comparatively small distances and easily blocked by buildings and other objects.

Go deeper: How 5G works

Go deeper

Qualcomm CEO Steve Mollenkopf to step down

Qualcomm CEO Steve Mollenkopf. Photo: David Becker/Getty Images

Qualcomm CEO Steve Mollenkopf will step down from his position in June, after more than 26 years with the company, according to a press release out Tuesday.

The big picture: Cristiano Amon, the company president who headed its 5G strategy, received unanimous support from the board of directors to replace Mollenkopf. The shift comes as the company has greatly increased its focus on the development of 5G technology.

39 mins ago - Health

Axios-Ipsos poll: America looks for the exits after a year of COVID

Data: Axios/Ipsos poll; Chart: Danielle Alberti/Axios

A year after the coronavirus abruptly shut down much of the country, Americans are watching for a clear signal of when the pandemic will be over — and most won't be ready to ditch the masks and social distancing until they get it, according to the latest installment of the Axios/Ipsos Coronavirus Index.

The big picture: The poll found that more Americans are expecting the outbreak to be over sooner rather than later, as vaccinations ramp up throughout the country — but that very few are ready to end the precautions that have upended their lives.

Caitlin Owens, author of Vitals
39 mins ago - Health

Many vulnerable Americans have received the coronavirus vaccine

Data: CDC, U.S. Census Bureau; Chart: Andrew Witherspoon/Axios

More than two-thirds of Americans 75 and older have received at least one dose of the coronavirus vaccine, as have more than half of those 65-74, per CDC data.

Why it matters: Any future surge in cases almost certainly wouldn't be as deadly as previous waves, because older people are the most likely to die from the virus.

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