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Since WiFi's inception, at that place have been countless new WiFi standards that aim to improve both our WiFi speed and WiFi coverage. In 2009, WiFi standard 802.11n (as well known equally WiFi 4) was released, which was the first standard to operate in both the 2.4 GHz and five GHz WiFi frequency bands. Since and then, the majority of routers have made the switch from beingness single-band to dual-band, pregnant they tin choose between the two WiFi frequency bands to transmit wireless signal. And then, how are these WiFi frequency bands different, and which should your wireless devices employ?

What are WiFi frequency bands?

Before we dive in to the differences between the two WiFi frequency bands, permit'due south talk well-nigh what frequency bands actually are. Frequency bands are ranges of radio wave frequencies used to transmit data in the wireless spectrum, and can further be broken down into WiFi channels. (The higher the frequency, the faster the information transmission and shorter the signal range.)WiFi frequency bands are frequency ranges within the wireless spectrum that are designated to carry WiFi: 2.4 GHz and five GHz.

This article past TechTarget dives a bit deeper regarding what frequency bands are. The key takeaway here is that WiFi frequency bands are unlicensed (i.eastward., they do not require any special permissions to use). This is what makes them more susceptible to interference, and which is why your domicile network and connected devices may experience poor point.

How are 2.iv GHz WiFi and 5 GHz WiFi dissimilar?

In that location are four primary differences betwixt the 2.iv GHz WiFi ring and the 5 GHz WiFi ring:

1. WiFi network coverage— When information technology comes to WiFi coverage, 2.four GHz outshines 5 GHz. In the 2.4 GHz band, the lower frequencies that are transmitted hither tin more than easily penetrate solid objects, meaning the signal tin can be better carried out throughout your home.
2. WiFi network speed— The higher frequency v GHz ring makes up for its shorter range with much faster WiFi speeds than the 2.four GHz band. To compare, the 2.iv GHz band will support speeds between 450 Mbps and 600 Mbps, while v GHz will support speeds of upward to 1300 Mbps. (Of course, the kind of router you lot have will better dictate the WiFi speed you lot can accomplish.)
3. Co-channel interference— Now we get to some of the major differences... In the 2.iv GHz band, you lot have the selection to cull from 11 WiFi channels, where 3 of which are not-overlapping. In the five GHz ring, you accept the option to cull from 45 WiFi channels, where 24 of which are not-overlapping. Overlapping channels are what lead to network interference, then comparing the 2 WiFi frequency bands, nosotros tin can hands see that five GHz provides less room for co-channel interference. Information technology's likewise important to note that in the 2.four GHz band, you aren't simply receiving interference from other WiFi networks— a decent amount of network interference hither comes from other household appliances that likewise employ 2.iv GHz for signal.
4. Device compatibility— Considering the fact that WiFi standard 802.11n (WiFi 4) has been around for nigh a decade now, the bulk of our wireless technologies have been congenital to back up both the 2.4 GHz and 5 GHz bands. But, if you have any old networking equipment or devices from pre-2009, in that location's a chance they may just exist uniform with the 2.4 GHz band.

Choosing between the two WiFi frequency bands

Which WiFi frequency ring is all-time to utilise?

It depends. As you lot can see above, at that place are pros and cons to using either of the WiFi frequency bands. Where you go faster speeds with one, you get stronger coverage with the other; and, where you lot get less co-channel interference with one, you get device compatibility with the other. (A fun fact: At Minim, we are constantly monitoring device attributes and behaviors, which enable usa to provide network recommendations like, "This device might be a skilful candidate to move to 5 GHz WiFi in order to improve its operation.")

Therefore, to cull the best WiFi frequency band for your wireless network, consider whether yous demand potent coverage throughout your home (i.e. your WiFi bespeak has to attain multiple rooms and floors). If this is the case, you volition want to utilise the 2.four GHz band. If this isn't the instance, the 5 GHz ring will exist amend to use every bit it will provide much faster WiFi speeds. (Y'all could also consider adding a WiFi booster to assistance extend your WiFi point if you discover information technology to be weak.)

Additionally, if yous own a dual-band router and use the aforementioned SSID/countersign for the 2.four GHz band and the 5GHz band, client devices can automatically choose which band to use based on point strength. Almost will prefer to use the 5GHz band if within range and compatible.

How do I encounter which band my router is using?

To see which band your router is using, you'll demand to access your router'due south settings:

If you are a non-Minim user, y'all can do this by opening your browser and typing in your router'due south IP address, which can exist constitute on your router. Side by side, log in using your username and password (If these are withal the factory set up values establish on your router, take a minute to change to something more secure!) Once logged in, navigate to the router settings page, where you lot will be able to see which WiFi frequency band your router is using.

If you are a Minim user, you are able to come across which band your router is using, what devices are connected, and and so much more than easily from the Minim mobile app:

Minim mobile app

How do I switch WiFi frequency bands?

In the case that you ain a dual-band router, yous can switch to a different WiFi frequency band past accessing your router's setting page using the same process as described above. In the aforementioned spot as where you run into the band your router is using, you should also see an option to cull the other WiFi frequency band to use. (Before you go ahead and change your router's frequency ring, it may be worthwhile to check out MetaGeek's guide for designing a dual-ring wireless network!)

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More WiFi 101 topics you may like:

• WiFi channels explained
• WiFi bespeak strength: how it works and how information technology tin can be improved
• WiFi boosters, repeaters, and extenders: What's the departure?
• WiFi extenders vs mesh networks [pros and cons]
• How do I translate my WiFi speed test results?
• WiFi channels explained: What is WiFi aqueduct width?
• 3 steps to find the all-time WiFi channel for your router

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Source: https://www.minim.com/blog/wifi-frequency-bands-2.4-ghz-and-5-ghz

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