The 5GE icon therefore represents something more like 4.5G—certainly better than 4G ... smartphones tend to come with the most advanced antennas and modems, some models—packed with fancy ...

You’ve also probably noticed it yourself with a “5G UW” icon at the top of your phone. As with most new technologies, 5G comes with some new challenges for both carriers and consumers.

In addition to more cell towers, 5G would require powerful antennas called "small cells ... You may not think much about your cell phone's little 4G icon, but wireless companies are trying ...