How to connect an LG TV to 5GHz WiFi: step-by-step setup

Modern televisions LG Smart TV offer a wide range of options, from streaming to 4K resolution to cloud gaming. However, to comfortably use all the features, simply having a Smart platform isn't enough; a speedy and stable internet connection is critical. This is where the transition to a frequency range comes into play. 5 GHz, which is capable of providing the required throughput.

Unlike the outdated standard 2.4 GHz, which is often overloaded with neighboring routers and household appliances, the 5 GHz band is cleaner and faster. Connecting a TV LG Connecting to this network avoids buffering when viewing heavy content and reduces latency. In this article, we'll cover the technical details, check your device's compatibility, and set up an optimal connection.

Before configuring your router, you need to ensure that your TV is physically capable of handling high-speed standards. Many mid-range models released several years ago may have hardware limitations. Checking the specifications is the first and most important step before tinkering with your network equipment.

Checking compatibility and hardware requirements

The first thing to do is to find out if your specific model supports LG TV standard 802.11ac or newer Wi-Fi 6 (802.11ax)These protocols are responsible for operation in the 5 GHz range. If the TV is equipped with only a module 802.11n, then it will only be able to see 2.4 GHz networks, regardless of the router settings.

This information can be found through the TV's system menu. Navigating the interface webOS This may vary depending on the operating system version, but the general principle remains the same. You'll need to find the technical information section for your network adapter.

To obtain accurate data, follow these steps:

  • 📺 Click the button Settings (gear) on the remote control.
  • 🔧 Go to the section All settings (three dots or a gear in the corner).
  • 📡 Select an item Net or Connection.
  • ℹ️ Open Wi-Fi Connection or Advanced Wi-Fi Settings.

In the window that opens, look for the line that indicates the wireless standard. If you see it there 802.11ac, 802.11ax or a note Dual Band, then your device is ready for high speeds. Otherwise, even if you have a router that supports 5 GHz, the TV simply won't see this network in the list of available networks.

⚠️ Note: In some models LG 2016-2018 series models may support 5 GHz in the specifications, but only work on certain channels. If the network isn't found, the problem may not be a missing module, but rather a channel incompatibility.

📊 Does your router support frequency splitting?
Yes, the networks are separated
No, one name for all
I don't know, one router from the provider
I have a mesh system

Configuring a Router for Split Bands

Most modern routers use the function by default Smart Connect or Band Steering, combining 2.4 GHz and 5 GHz networks under one name (SSID). For TVs LG This often becomes a problem, as they can stubbornly cling to the longer-range but slower 2.4 GHz band. To ensure the TV connects to a fast network, the bands need to be separated.

You will need to log into your router's web interface. This is usually done by entering the IP address (often 192.168.0.1 or 192.168.1.1) in a browser on your computer or smartphone. After entering your login and password, find the wireless network settings section, which may be called Wireless, Wi-Fi or Wireless network.

Here you need to do the following:

  • 📶 Find the option Smart Connect or Unify 2.4G & 5G SSID and turn it off.
  • ✏️ Set a unique name (SSID) for the 5 GHz network, for example by adding a suffix _5G to the main name.
  • 🔒 Set a strong password using encryption WPA2-PSK or WPA3.
  • 💾 Save the settings and wait for the router's Wi-Fi module to reboot.

After separating the network names, the TV LG will see two separate signals. When connecting, select the exact name you assigned to the 5 GHz band. This will prevent automatic switching to a lower speed when the signal deteriorates, since the devices will no longer "communicate" between the bands.

Choosing the right channel and bandwidth

Even after connecting to a 5 GHz network, speeds can be unstable if a congested channel or the wrong bandwidth is selected. The 5 GHz band offers more available channels, but not all of them are equally useful for TVs. LGThe optimal choice is considered to be the channel width 80 MHz, which provides a balance between speed and range.

Using width 160 MHz Theoretically, this doubles the speed, but in practice, this often results in signal loss in adjacent rooms and unstable Smart features. Furthermore, many Wi-Fi modules in TVs simply don't support this bandwidth, ignoring the network or experiencing errors.

Recommended parameters for setting up a router:

  • 📡 Opening hours: 802.11ac or 802.11ax mixed.
  • 📏 Channel width: 80 MHz (avoid 20/40/80 Auto if there are problems).
  • 🔢 Channel: Select a free channel from the list 36, 40, 44, 48 (low) or 149, 153, 157, 161 (high).

It is important to note that high channels (above 100) in some countries require technology support DFS (Dynamic Frequency Selection). If your router detects a weather radar or military installation on this frequency, it will force a channel change, causing a brief disconnection on your TV. For stationary devices like TVs, it's often safer to use lower channels (36-48).

What is DFS and how does it affect TV?

DFS is a radar interference protection mechanism. If the router is operating on a DFS channel and detects radar, it switches all clients to another channel. To the TV, this appears as a sudden freeze or a Wi-Fi interruption for 10-30 seconds.

Step-by-step instructions for connecting LG TV

Once the router is configured and broadcasting a separate 5 GHz network, you can begin pairing the TV. Interface webOS It's quite intuitive, but it's important to follow the steps to avoid entering passwords incorrectly or choosing the wrong security protocol.

Take the remote control Magic Remote or a standard remote control LG and enter the menu. Make sure you're on the home screen for quick access to settings.

☑️ Checklist before connecting

Completed: 0 / 4

The connection algorithm is as follows:

  1. Click the button Settings on the remote control.
  2. In the upper right corner, select All settings (gear icon).
  3. Go to the section Net (Network).
  4. Select Wi-Fi Connection and turn on the switch if it is off.
  5. In the list of available networks, find your name with the suffix _5G (or whatever you called it).
  6. Enter your password using the on-screen keyboard. Be careful with capitalization.
  7. After a successful connection, the TV may prompt you to update the software – agree.

If the connection is successful, the network status will display the connection speed. For the 5 GHz band, a value higher than this is considered normal. 200 Mbps (Depends on your provider's plan). If the speed is significantly lower, the signal strength may be weak or you're on a noisy channel.

⚠️ Note: The menu interface may differ slightly depending on the model year and version webOS (3.0, 4.0, 5.0, 6.0 and later). If you don't find the "Network" option, try searching through Settings and entering "Wi-Fi" or "Network."

Troubleshooting and Speed ​​Optimization

Even with the correct settings, situations may arise when the TV LG The 5 GHz network isn't detected, or the connection keeps dropping. This is often because the TV is too far from the router. 5 GHz waves have less penetration through walls than 2.4 GHz.

If the speed is low, try moving the router closer to the TV or removing any physical obstacles. It's also worth checking whether metal objects or mirrors in the signal path are blocking the signal.

Compare range characteristics to understand limitations:

Parameter 2.4 GHz band 5 GHz band
Maximum speed Up to 150-450 Mbps Up to 866 Mbps and higher
Penetration ability High (good through walls) Low (walls muffle the signal)
Airtime congestion Very high (a lot of interference) Low (pure ether)
Range Up to 50 meters indoors Up to 20-25 meters indoors

In cases where the 5 GHz signal is too weak where the TV is installed, but the 2.4 GHz speed is not sufficient for 4K, it makes sense to consider installing Wi-Fi repeater or switching to a wired connection LANA wired connection will always be more stable than any wireless alternative.

Frequently Asked Questions (FAQ)

Why doesn't my LG TV see the 5 GHz network, even though my router is dual-band?

Most likely, your router's 5 GHz band is set to a different region than yours, or you've selected a channel that's not supported by your TV's Wi-Fi module (for example, channels above 140 in some regions). Try manually setting the router's channel to 36-48.

Is it possible to increase the Wi-Fi speed on an old LG TV?

It's impossible to increase the speed beyond the module's hardware limitations. If the TV only supports 802.11n, it physically won't be able to operate at 5 GHz speeds. The only solution is to use an external USB Wi-Fi antenna (if the TV model supports this option) or connect via a LAN cable.

Does connecting other devices affect TV speed?

Yes, if all devices are connected to the same channel. However, when using 5 GHz and an 80 MHz channel, the impact is minimal. Problems arise when someone downloads large files, completely clogging the provider's channel, rather than the Wi-Fi airwaves themselves.

Should I disable 2.4 GHz on my router completely?

Not recommended. Many smart home devices (lamps, outlets, vacuum cleaners) operate only on the 2.4 GHz frequency. Disabling this band completely will disable their internet connection. It's better to simply separate the network names (SSIDs), as described above.