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Popular science on the difference between WiFi 2.4G and 5G

Popular science on the difference between WiFi 2.4G and 5G

Dec 22, 2022

Many users will find that after making relevant settings in the background of the wireless router, they use the mobile phone to connect to the wireless network, but find that there are 2 WiFi signal names, one WiFi signal is the traditional 2.4G, and the other name will be by a 5G logo , why are there two signals? This is because the wireless 5G router supports 2.4&5.8GHz frequency bands.

What does Wifi 5G network mean? the Traditional wireless routers only have a WiFi signal in the 2.4G frequency band, while dual-band routers have a WiFi signal in the 2.4G frequency band and a WiFi signal in the 5G frequency band. Since the vast majority of wireless routers work in the 2.4G frequency band, the interference between signals is relatively large, especially in places where there are many wireless WiFi devices, it is easy to affect the network speed.

Adding 5G frequency bands to dual-band routers can not only alleviate the problem of mutual interference of wireless signals, but also significantly increase the speed.

Analysis of advantages and disadvantages of 2.4G and 5G WiFi:

2.4G WiFi advantages: 2.4G signal frequency is low, the attenuation is small when propagating in the air or obstacles, and the propagation distance is longer;

Disadvantages of 2.4G WiFi: At present, most devices use the 2.4G frequency band, and where there are many users, the interference is relatively large.

5G WiFi advantages: 5G signal bandwidth is wider, the wireless environment is relatively clean, less interference, stable network speed, and can support higher wireless rates.

Disadvantages of 5G WiFi: The 5G signal frequency is higher, and the attenuation is greater when propagating in the air or obstacles, and the coverage distance is generally smaller than that of the 2.4G signal.

5G WiFi requires support from devices (mobile phones, notebooks, tablets)

5G WiFi router can only be supported by dual-band routers! In addition to the support of wireless routers, 5G WiFi also needs the support of devices connected to the network. That is to say, old mobile phones, notebooks, and tablets do not support 5G WiFi networks. Even if you are a dual-band router, you can only search for 2.4G WiFi network. However, in recent years, new smartphones, notebooks, and tablets all support dual-band WiFi, and can search for 2.4G and 5G WiFi at the same time.

So for users, which is better, 2.4G or 5G WiFi connection? the WiFi signals are transmitted through radio waves, 2.4G and 5G are two different frequency bands, and WiFi signals are transmitted in such frequency bands. The 5G frequency band has a higher frequency, carries more data, and currently has fewer applications and lower interference, so the effect is better, but the transmission distance is shorter.

If you have a large range of walking, it is recommended to connect to ordinary 2.4G WiFi, mainly because the coverage of WiFi signals in the 5G frequency band has no advantage over 2.4G. If you are near a dual-band router, it is undoubtedly recommended to use 5G WiFi. The signal is more stable and the network speed is faster. Generally speaking, 5G WiFi is the first choice.

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