It enables low latency fast speed connections to large amounts of devices. Its drawback is that it has a shorter wavelength reducing its range.

https://www.emfexplained.info/site/misc/image/Fullsize/11248.png

This shows integration with the 4G towers.

“The shorter wavelength means 5G can carry a lot of data much faster than 4G, but it also means a much shorter range. 4G wavelengths have a range of about 10 miles. 5G wavelengths have a range of about 1,000 feet, not even 2% of 4G's range. So to ensure a reliable 5G signal, there needs to be a lot of 5G cell towers and antennas everywhere. We're talking on every lamppost, traffic light, etc. because even trees can block 5G signals.” https://www.businessinsider.com/5g-high-speed-internet-cellular-network-issues-switch-2019-4

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