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1 What is the frequency band? 
Popular speaking, the frequency band, namely the channel, is the carrier of the WIFI wireless network transmission. It's like an expressway between cities, and what we call the 2.4 GHz and 5 GHz instant two-level transportation methods are like a car walking on a highway and a subway going underneath. Each has its own advantages and each has its own. Advantage. Compared with 5GHz, the penetration intensity of 2.4GHz is better, and the transmission quality of 5GHz is higher.
Is there an effect between 22.4GHz and 5GHz? 
Many people think that the 5GHz in the router is faster than 2.4GHz? Just as mobile 4G is faster than mobile 3G, 3G is faster than 2G. In fact, the 5GHz wireless router refers to a frequency band, the same 2.4GHz, two bands there is no difference in transmission speed, they are more like two lanes and do not affect each other. The 4G and 3G in mobile communication refers to the fourth generation and third generation communication technologies, so there are obvious differences in speed. All of the two are absolutely different.
3 speed is the same, what is the use of exit 5GHz? 
This is because there are too many wireless devices in the 2.4GHz band, although about 11 channels can be accommodated in the 2.4GHz band, but with the popularity of various IT devices, such as the iPad, mobile phones, PCs, game consoles, etc., all in this band. When using multiple devices at the same time, the throughput value is seriously degraded. Second, microwave ovens, Bluetooth, and wireless mice also use the 2.4 GHz band, causing interference between devices. There are not many devices operating in the 5GHz band, and the 5GHz channel is several times larger than 2.4GHz. All the launches are meaningful.
What are the disadvantages of 45GHz? 
First, the number of supported devices is still small. Wireless routers support 5GHz, but your mobile phone and tablet may not support 5GHz band connection. Second, the penetrability is slightly worse, the higher the frequency is, the poorer the penetrability is, and the ability to penetrate the wall is worse than that of 2.4 GHz. Another antenna can solve the problem. So, it's not that 5GHz is perfect.
· Summary 
The reason why 2.4GHz and 5GHz are popularized by everyone is because many people around the dawn will ask questions related to 2.4GHz and 5GHz. There are even many people who bought dual-band routers that support 2.4GHz and 5GHz. There is this function. In today's rapid development of smart life, routers will become more and more important to life. People will begin to recognize their importance and will also recognize its functionality. How will the future development of routers be? Give it to merchants and siege lions!
Your home router actually has this function? 2.4GHz and 5GHz little common sense!
At the moment, all intelligent products, whether smart phones, tablets, televisions, or various smart hardware in your home, are the most essential and indispensable routers. What does 2.4GHz and 5GHz mean? Dawn talked to everyone today about 2.4GHz and 5GHz learning.