What is the difference between 2.4 GHz and 5 GHz WiFi - GoTechTalk

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Tuesday, October 6, 2020

What is the difference between 2.4 GHz and 5 GHz WiFi

Differences between a 2.4 and 5 GHz band is the speed and the range that they cover the 2.4 GHz band Transmits data at a slower speed than the 5 GHz.

By Sudarshan Yerunkar |  | Posted on 06th October 2020



What is the difference between 2.4 GHz and 5 GHz WiFi


What is the difference between 2.4 GHz and 5 GHz WiFi 


You must have notice that the router has both 2.4 GHz and 5 GHz frequency bands and did you ever wonder why some routers have these dual bands? 

So that's what we're going to talk about in this video. Now a frequency band is how wireless data is transmitted between devices. These bands are radio waves that carry the data and these bands are either 2.4 GHz or 5 GHz, now a lot of Wi-Fi routers will only transmit one of these bands which would be the 2.4 GHz band and that's because it's the most common frequency and these are called single band routers. But a lot of newer Wi-Fi routers will transmit both the 2.4 and 5 GHz bands and these are called dual band Wi-Fi routers. 

Now 2.4 band works pretty well, It's the standard band but the problem is that it's not just a standard band that's used in Wi-Fi routers It's also the standard band that's used in a lot of other devices things like microwave ovens cordless phones, Bluetooth devices and wireless cameras all this used a 2.4 GHz band and this became a problem because the fact that so many other devices use the 2.4 band the signal became overcrowded and was causing a lot of interference with Wi-Fi signals and when this happens it slows down the Wi-Fi network speed and sometimes could cause you to lose connection to the Wi-Fi router. 

The 5 GHz band is a newer band and so it's not as commonly used as the 2.4 GHz, and because it's used by fewer devices the 5 GHz is not as crowded and there is no interference or minimal interference. 

So, using the 5 GHz would relieve the problem related to slow Network speeds and connection drops that will be caused by interference from other devices another reason why the 2.4 is more vulnerable to Interference is because of the difference in wireless channels now if you're not familiar with what a wireless channel is then let me explain you. 

Wireless channel is just a way to fine-tune and alter a frequency, in some cases you might need to change to a different channel If you are experiencing interference from different wireless devices and changing to a different channel might just solve your issue. 

The 2.4 GHz band has 11 channels to choose from but of these 11 channels Only 3 are non-overlapping, so basically you have three solid channels to choose from but the 5 GHz has more channels, it has 25 non-overlapping channels and some other differences between a 2.4 and 5 GHz band is the speed and the range that they cover the 2.4 GHz band Transmits data at a slower speed than the 5 GHz but it does have a longer range than the 5 GHz, the 5 GHz band transmits data at a faster speed than a 2.4 but it has a shorter range, the 5 GHz has a shorter range because it has a higher frequency and higher frequencies have a harder time penetrating solid objects such as floors and walls in a building. 


So the question is which band do you want to actually use and that really depends on your situation, they both have their advantages and disadvantages, 2.4 GHz has a farther range and it can penetrate solid objects better, however the disadvantage is that it has more vulnerable to interference because so many other devices use the same band and it's also slower than the 5 GHz. 5 GHz has higher transfer speed and it's less vulnerable to interference, but at the same time it does have a shorter range and it has a harder time penetrating through solid objects. 


If you're interested in getting a dual band Wi-Fi router, I'll put a link below of a dual band Wi-Fi router that I personally recommend. 




Built with gaming, streaming, and mobile devices in mind, this gigabit WiFi router supports MU-MIMO for simultaneous streaming and delivers extreme speed so you enjoy less lag and less buffering. With next generation WiFi, beam forming+ and built-in high powered amplifiers and external antennas, get ready for extreme performance.





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