How do I set up two Wi-Fi networks?

Content (Click to view)
  1. Wi-Fi Networks
  2. Router
  3. Establish a second Wi-Fi network with Ethernet cables
  4. Enable the Wi-Fi network for guests
  5. Using a PLC plug
  6. You may be interested:

Wi-Fi Networks

We explain how to establish separate Wi-Fi networks and not be slowed down by the connection of other home automation devices,

Unless your Internet router is not the latest one, it most likely supports 2.4GHz and 5GHz Wi-Fi. This is called dual-band technology and has been around for a few years.

The 802.11n standard supports it (but not all 802.11n routers are dual-band) and all 802.11ac routers use both bands.

WiFi Networks

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You might enjoy it if you telecommute. You can reserve this 5GHz network for all important devices that require a fast and reliable Internet connection.

We use the conditional because it depends on whether your smartphone and laptops work with 5 GHz Wi-Fi. Again, if they are new enough, then they do, but older ones might only support 2.4 GHz frequencies.


It will also depend on your router, as some merge 2.4GHz and 5GHz frequencies in a Wi-Fi network, it is impossible to separate them or assign different names and passwords to them.

However, if you can do this, then you can configure all the tablets, phones and home automation kits (lights, security cameras, vacuum cleaners) to use 2.4GHz, and reserve 5GHz for the devices you use to work.

Technically, they may be two different Wi-Fi networks, but while this simple change may bring some improvements, it should be noted that they still share the same high-speed Internet connection and are struggling for bandwidth.

That's why you should look for a setting on your router that gives priority to 5GHz, or that allows you to pause at 2.4GHz while making video calls, for example.

The application of this system requires a minimum of technical knowledge.

However, there are other ways to separate two Wi-Fi networks. This is perfect, even if your router does not have 5GHz Wi-Fi.

Establish a second Wi-Fi network with Ethernet cables

This solution is for laptops, PCs and other devices that have an Ethernet port.

They can completely avoid Wi-Fi and connect to your router by a cable. Cables are always a better option than wireless, there is less risk of signal loss or weak signal.

In addition, you can turn off your router's Wi-Fi when you need the maximum speed of your Internet connection, and prevent other devices from hogging the bandwidth.

Enable the Wi-Fi network for guests

Ethernet cables are unnecessary if you need to use a phone or tablet on the second network.

However, some routers, even older models, offer a guest network. It allows guests to access the Internet on a limited basis.

To find out if your router is equipped with this option, connect to your web interface (from a web browser enter or

You will see a setting that is used to limit the bandwidth that guests can use.

For example, if you have a 20 Mbps broadband connection, configure the guest network to have 10% of the bandwidth available, so guest users will have 2 Mbps to share.

You can assign a separate name and password to this network.

Then simply connect all the devices in your house to it and forget about the old network to prevent them from accessing it. The easiest way to do this would be to change the password of the old network.

Using a PLC plug

If none of the above methods apply to you, then your last option is to invest in a new router or even a Wi-Fi mesh system.

Alternatively, there are power line kits, plug the non-WiFi adapter into an outlet near your router and connect the two with an Ethernet cable. Plug the other PLC into any other power outlet and this will create a new WiFi network.

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