The terms 5G and 5 GHz Wi-Fi are used to describe a wireless connection, but they have nothing in common. Anyone who mentions the term “5G Wi-Fi” really means 5 GHz Wi-Fi, which is completely different from the 5G cellular standard.
5G is a new mobile phone standard
We will soon hear a lot more about 5G. It is a cellular standard, successor to 4G LTE and 3G. 5G means "fifth generation", as it is the fifth generation of this model.
5G is designed to be much faster and have lower latency than 4G LTE. We will see the first 5G smartphones during 2019, but first they will have to be developed networks mobile phones that support 5G.
So 5G is a new standard, and it has nothing to do with Wi-Fi. 5G will be used for cellular connections, and future smartphones will support Wi-Fi 5G and 5 GHz. Today's smartphones support 4G LTE and Wi-Fi at 5 GHz.
5GHz is one of two frequencies for Wi-Fi
Wi-Fi has two frequency bands you can use: 2,4 GHz and 5 GHz. The frequency of 5 GHz is newer. It was used extensively with the 802.11n Wi-Fi standard, which was originally released by 2009, but we continue to find it in modern Wi-Fi networks such as 802.11ac and Wi-Fi 6.
Wi-Fi 5 GHz is great. It offers more channels that do not overlap, which makes congestion much less. It is excellent in places with a lot of congestion Wi-Fi, such as apartment buildings where each apartment has its own router. Wi-Fi at 5 GHz is also faster than Wi-Fi at 2,4 GHz.
But despite slower speeds and increased congestion, the Wi-Fi 2,4 GHz has its advantages. The frequency of 2,4 GHz covers an area greater than 5 GHz and is better because it passes through walls thanks to larger radio waves. 5 GHz radio waves offer a faster connection but can not overcome obstacles.
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