What are the differences between the 2,4 GHz and 5 GHz bands on your router's Wi-Fi

The it has two Wi-Fi bands, 2.4 GHz and 5 GHz. What are each and how are they different?

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Wi-Fi signals are emitted at various frequencies from your router's antenna. Nowadays, all routers have the ability to broadcast in the 2,4 gigahertz (GHz) and 5 GHz Wi-Fi bands.

Knowing the difference between the 2,4 GHz and 5 GHz bands is vital as it could be your ticket to a consistent and stable on the internet throughout your home.

Warning: If you believe in the catastrophic consequences of 5G or the flat earth theory, stop reading here, because there is a risk that your eye will roll, with what we will analyze below.

Understanding the 2,4 GHz and 5 GHz Wi-Fi bands

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When you compare the 2,4 GHz and 5 GHz Wi-Fi frequency bands, you have to give on two main things. First: the coverage or radius of action and second, the speed or bandwidth.

First, let's clarify that the term "bandwidth" refers to the maximum amount of data transferred in a measured period of time.

Let's analyze the above starting from the 2,4 GHz band.

2,4 GHz Wi-Fi band

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The 2,4 GHz band includes 14 channels in total. Each channel is 22 megahertz (MHz) wide. However, of the 14 channels, not every country is allowed every channel. In terms of speed, the 2,4 GHz Wi-Fi band tops out at 450 megabits per second (Mbps) or 600 Mbps under ideal conditions, depending on the router.

This band has a wider coverage compared to the 5 GHz band, thanks to the lower frequencies used, which can more easily penetrate obstacles (walls, glass, etc.).

5 GHz Wi-Fi band

Wi-Fi

5 GHz Wi-Fi has a total of 24 non-overlapping channels. If you choose it, you definitely have a wide range of channels to choose from, even though each channel is only 20 MHz wide. In bandwidth, 5 GHz boasts up to 1,3 Gigabits per second (Gbps).

5 GHz has higher transmission speeds and less coverage because the higher frequencies cannot penetrate solid objects such as walls.

While these theoretical speeds are already pretty impressive, the actual speeds you can achieve on the two bands will vary as other factors come into play.

For example, your Wi-Fi speed may be limited due to the different types of Wi-Fi standards used. To be clear, Wi-Fi bands are a slightly different subject than Wi-Fi standards, but they are closely related.

Far from ideal, what are the pros and cons of the two?

2,4 GHz vs 5 GHz: Pros and cons

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Each of the two bands has its pros and cons.

Starting from the 2,4 GHz band, its main advantage is wider coverage. The disadvantage of this is that it is not as fast as its counterpart, in the 5 GHz band.

Another disadvantage of the 2,4 GHz band is the limited number of simultaneous devices you can connect to a single router. Additionally, the 2,4GHz band tends to be overcrowded considering the many devices using it. For example, those who have the autonomous vacuum cleaner of Xiaomi have been forced to stay at 2,5 GHz.

Overcrowding results in connectivity issues like slower than expected Wi-Fi speed, dropped connections, interference, etc.

That said, 2,4GHz is ideal if you want wide Wi-Fi coverage in your home. Lower frequencies can penetrate better through solid objects, so you'll be able to use your Wi-Fi from a greater distance.

The 5 GHz band supports higher speeds. Support for more channels means you can connect more devices. This band also tends to be less crowded, so less interference, since not many IoT devices use it. You will also have a stable internet connection.

But this is also its disadvantage. This band is not supported by many Wi-Fi enabled devices, compared to the 2,4 GHz band.

2,4GHz vs. 5GHz: Which Wi-Fi Band Should You Use?

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Your choice depends primarily on your needs. Go for the 2,4GHz band if you need more coverage or live in a house with lots of objects that might cause interference. The 2,4GHz band is also ideal for internet activities that don't require faster speeds, such as browsing.

5GHz is ideal for high-bandwidth activities such as video streaming and playing role-playing games (RPGs) like Assassin's Creed Valhalla. You should also use this zone if you want to connect more devices in the house.

Where long Wi-Fi range is not required, 5 GHz is the ideal band to use. However, it's easier to get more range than a 5GHz router by using one  Wifi mesh network.

Alternatively, you can use Wi-Fi extenders, which tend to be cheaper.

Buying the right Wi-Fi router

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When buying a router, you don't have to make a difficult choice to choose between the two bands. This is because it is common for modern Wi-Fi routers to use both bands. That is, it is double and triple zone.

A dual-band Wi-Fi router emits a 2,4 GHz and 5 GHz signal. With this type of router, you can connect both 5 GHz and 2,4 GHz capable devices.

This leads to less interference and you get the best of both s – the ability to connect to a 2,4 GHz signal for greater range and a 5 GHz signal for higher speeds.

Tri-band routers emit three different signals, a single 2,4GHz signal and two parallel 5GHz signals. As a result, tri-band routers allow you to connect even more devices without affecting Wi-Fi speeds. You also get less interference and can dedicate each zone to different devices in your home or office.

Chances are, at some point in the near future you'll be eyeing a 6GHz Wi-Fi router. Currently, tri-band usually refers to 1x 2,4 GHz and 2x 5 GHz. However, when 6 GHz routers become the norm, tri-band will refer to a router with 2,4 GHz, 5 GHz, and 6 GHz bands.

Since Wi-Fi speeds are shared between your connected devices, a separate 5 GHz band means you have more bandwidth. Dual-band routers offer twice the bandwidth, while triple-band routers offer three times (or more) the bandwidth of single-band routers.

Use a Wi-Fi band that suits your needs

2,4 GHz and 5 GHz, which are the most common Wi-Fi bands available, have their advantages and disadvantages. Hopefully, now you understand the differences and, depending on your needs, and can make a wise choice.

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Written by Dimitris

Dimitris hates on Mondays .....

9 Comments

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  1. I, who am irrelevant, how should I choose a router to have a standard even better signal than the existing one of the company, thanks to any gentleman who answers me

  2. Come on dads wear soft bran. What do they have to do with flat Earth and conspiracy theories. Molasses…
    5G is higher and therefore more dangerous because it burns your brain more. It has nothing to do with conspiracy theory. Simple principles of physics and electronics are…
    Malakopitoura….

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