How to Check if Your Wi-Fi is Working on 2.4GHz: Step-by-Step Instructions

Wi-Fi networks at a frequency 2.4 GHz still remain the most common - despite the emergence of a higher speed range 5 GHzThey penetrate walls better, are supported by all devices (including older smartphones, printers, and smart light bulbs), and are less sensitive to distance from the router. But how can you be sure your connection is working? 2.4 GHz, and not 5 GHz? Especially if you only have one network and the router automatically selects the frequency?

This article will help you figure it out: we have collected 5 working methods Checks for different devices—from laptops to smartphones. We'll also explain why sometimes 2.4 GHz may be preferable to 5 GHz, despite the slower speed. If you're setting up a network for a smart home, an older TV, or simply want to avoid connection issues, read on.

⚠️ Attention: Some modern routers (for example, ASUS RT-AX88U or TP-Link Archer AX6000) by default create one network with automatic switching between 2.4 GHz and 5 GHz (technology Smart Connect). In this case, the current frequency can only be determined on the client device (laptop, phone).

1. How to find the Wi-Fi frequency on Windows 10 and 11

On computers running Windows The easiest way to check the connection frequency is through task manager or command lineThe first method is more visual, the second is more accurate.

Method 1: Via Task Manager

  1. Click Ctrl + Shift + Escto open Task Manager.
  2. Go to the tab Performance → Wi-Fi.
  3. Find the line in the upper right corner Connection information. It will be indicated there 2.4 GHz or 5 GHz.

Method 2: Via the command line

netsh wlan show interfaces

In the command results, find the line Radio type (Radio type). If it is indicated there 802.11n or 802.11g - This 2.4 GHz. If 802.11ac or 802.11ax - more likely, 5 GHz (but not always, see table below).

Wi-Fi standard Supported frequencies Max. speed (theoretical)
802.11b 2.4 GHz only 11 Mbps
802.11g 2.4 GHz only 54 Mbps
802.11n 2.4 GHz and 5 GHz 600 Mbps
802.11ac 5 GHz only 6.9 Gbps
802.11ax (Wi-Fi 6) 2.4 GHz and 5 GHz 9.6 Gbps

⚠️ Attention: If your router supports Wi-Fi 6E (standard 802.11ax with a range 6 GHz), this won't be displayed in the command line. To check, use specialized utilities like Wi-Fi Analyzer.

2. Checking the frequency on an Android smartphone

On Android There is no built-in tool to determine the Wi-Fi frequency, but there are two reliable ways: through developer settings or third-party applications.

Method 1: Via developer settings

  1. Activate developer mode: go to Settings → About phone → Build number and tap on it 7 times.
  2. Return to Settings → System → Developer Options.
  3. Find the item Wi-Fi frequency range (Wi-Fi frequency band). It will be indicated there 2.4 GHz or 5 GHz.

Method 2: Application WiFi Analyzer

  • 📱 Install the app from Google Play (For example, WiFi Analyzer from VREM Software).
  • 📊 Open the tab List of access points - the range will be indicated next to your network (2.4G or 5G).
  • 🔍 In the tab Channel analysis You can see the airwave congestion and select the optimal channel for 2.4 GHz.
📊 Which Wi-Fi analyzer app do you use?
WiFi Analyzer
NetSpot
InSSIDer
Other
I don't use it

⚠️ Attention: On some smartphones (eg. Xiaomi or Samsung with shell One UI) paragraph Wi-Fi frequency band may be missing from the developer settings. In this case, only third-party software will help.

3. How to check the Wi-Fi frequency on an iPhone or iPad

Apple does not provide users iOS There's no direct way to find out your connection frequency. However, there's a workaround via the app. AirPort Utility (even if you don't have a router AirPort).

Instructions:

  1. Download the free app AirPort Utility from App Store.
  2. Open Settings → Wi-Fi and tap on the icon «i» near your network.
  3. A button will appear at the bottom of the screen. «AirPort Utility» - press it.
  4. In the section "Wi-Fi Information" will be indicated radio range (2.4 GHz or 5 GHz).

If this method does not work (for example, on iOS 17+), try:

  • 🌐 Connect to the router via a browser and view the list of connected devices (usually the range is indicated there).
  • 📱 Use the second one Android- smartphone with an application WiFi Analyzer for verification.
Why does Apple hide Wi-Fi frequency information?

Starting with iOS 14, Apple has restricted access to low-level network data, including connection frequency. This is due to privacy policies and a desire to simplify the interface for regular users. However, for professionals (such as network configuration specialists), this creates inconvenience.

4. Checking through the router settings

The most reliable way is to log in router web interface and view your wireless network settings. This is especially useful if you have one network with automatic frequency selection (as in routers Keenetic or MikroTik).

How to access router settings:

  1. Find out Router IP address (usually it is 192.168.0.1, 192.168.1.1 or 10.0.0.1). It can be found on the sticker on the device body.
  2. Enter the address in the browser address bar and log in (default logins/passwords: admin/admin or admin/blank password).
  3. Go to the section Wi-Fi (or Wireless network).

Where to look for frequency information:

  • 📡 In routers TP-Link: Wireless → Wireless Settings → ChannelIf the channel is from 1 to 13, it is 2.4 GHz.
  • 🖧 In routers ASUS: Wireless Network → GeneralThe range is specified in the drop-down menu. Band.
  • 🌐 In routers Keenetic: Home Network → Access PointThe range is displayed next to the network name.

Find out the router's IP address (look at the sticker or through the command line)

Connect to the router's network via cable or Wi-Fi

Prepare your login and password (default or your own)

Open your browser in incognito mode (to avoid cache conflicts) -->

⚠️ Attention: If it is enabled in the router settings Smart Connect (or Band Steering V Ubiquiti), devices automatically switch between 2.4 GHz and 5 GHz. In this case, the current frequency can only be determined on the client device (see sections above).

5. When should you use 2.4 GHz instead of 5 GHz?

Despite the fact that 5 GHz faster and less busy, 2.4 GHz has its advantages:

  • 📶 Longer range: The 2.4 GHz signal passes better through walls and ceilings, which is important for large apartments or offices.
  • 🖨️ Compatibility with older devices: printers, smart sockets (Xiaomi, Tuya), CCTV cameras often only operate on 2.4 GHz.
  • 🚪 Less interference from neighboring networks in sparsely populated areas (in cities 2.4 GHz, on the contrary, is overloaded).
  • 📺 Stability for streaming video: some Smart TV (For example, LG 2016–2018) do not hold a connection well at 5 GHz.

When is the best time to switch to 2.4 GHz:

  • 🏠 If you have thick walls or a large distance between the router and the device.
  • 🔌 If you connect a smart home (Yandex Station, Redmond, Rubetek).
  • 🖥️ If your laptop or PC is older than 2015 (it may not have a 5 GHz module).

If your router supports both ranges, but some devices do not connect, try manually creating a separate network for 2.4 GHz (for example, MyWiFi_2G). This will solve the problem with smart devices that don't "see" 5 GHz.

6. Common 2.4 GHz Problems and How to Fix Them

Range 2.4 GHz More susceptible to interference and overloads, especially in multi-apartment buildings. Here are typical problems and how to fix them:

Problem Cause Solution
Low speed Congested channel (many neighboring networks) Change the channel in your router settings (select 1, 6, or 11—they don't overlap)
Constant breaks Interference from microwaves, baby monitors, and Bluetooth devices Move your router away from appliances or switch to 5 GHz
The device does not connect The network only works in the mode 802.11n/ac (without support) 802.11b/g) In your router settings, enable compatibility mode (Legacy Mode or 11bgn mixed)
Weak signal in distant rooms Signal weakening over long distances Use a repeater (repeater) or Mesh system (For example, TP-Link Deco)

⚠️ Attention: If you live in a house with a lot of Wi-Fi networks, check the channel load using WiFi Analyzer (Android) or NetSpot (Windows/macOS). Channels 1, 6 And 11 do not overlap - choose the one that is least occupied.

7. How to force a connection to 2.4 GHz (if there is only one network)

If your router uses one network name (SSID) for both ranges (technology Smart Connect), but you need to force a connection to 2.4 GHz, there are two options:

Option 1: Disable 5 GHz in your router settings

  1. Log in to the router's web interface.
  2. Find the section Wireless network and turn off the range 5 GHz (or create a separate network for 2.4 GHz).
  3. Save the settings and reconnect the devices.

Option 2: Forget the network and reconnect (for Android/iOS)

  • 📵 On the device forget current network (Settings → Wi-Fi → Tap on network → Forget).
  • 🔄 Turn it on on your router separate names for 2.4 GHz and 5 GHz (for example, MyWiFi_2G And MyWiFi_5G).
  • 📶 Connect to a network with postfix _2G.

⚠️ Attention: On some routers (for example, Zyxel Keenetic) separation of networks can lead to loss of automatic switching function (Band Steering). If this is critical, use the first option (disabling 5 GHz).

FAQ: Answers to Frequently Asked Questions

Is it possible to use 2.4GHz and 5GHz on one router at the same time?

Yes, almost all modern routers support it. simultaneous work in both ranges. You can:

  • Create one network with automatic switching (Smart Connect).
  • Create two separate networks (For example, MyWiFi And MyWiFi_5G).

In the second case, you will be able to manually select the range when connecting.

Why doesn't my device see the 5 GHz network, but only the 2.4 GHz one?

Possible reasons:

  • Device does not support 5 GHz (old smartphones, printers, smart speakers).
  • In the router the 5 GHz band is disabled (check settings).
  • 5 GHz network hidden (enable visibility in your router settings).
  • The device is located too far from the router (5 GHz passes through walls worse).
What is the best channel for 2.4 GHz in an apartment building?

In the range 2.4 GHz channels 1, 6 And 11 do not intersect among themselves. To reduce interference:

  1. Check channel load using WiFi Analyzer.
  2. Choose one of the three (1, 6, 11), which is the least busy.
  3. Avoid channels 12–14 - they may be banned in your country.
Can smart devices (like a robot vacuum cleaner) operate on 5 GHz?

Most smart home devices (Xiaomi, Redmond, Tuya) support 2.4 GHz only. Exceptions:

  • Some models Roborock (For example, S7 Pro Ultra) can operate at 5 GHz.
  • Smart speakers Apple HomePod And Google Nest Audio support both ranges.

Check the technical specifications of the device before purchasing!

How to increase speed on 2.4 GHz?

To improve speed and stability:

  • Change the channel to a less busy one (1, 6 or 11).
  • Turn on the mode 802.11n (if the router supports it).
  • Reduce the channel width to 20 MHz (this will reduce speed but increase stability).
  • Update your router firmware.
  • Use Wi-Fi repeater or Mesh system to enhance the signal.

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