Have you ever experienced a situation where your internet is slow and a nearby Wi-Fi channel is blocking your signal? Or tried connecting a new device but couldn't figure out if it supported 5 GHz or just 2.4 GHzKnowing your Wi-Fi network's characteristics is like having a map in a maze: without it, you risk getting lost wondering why your speed is dropping or why your smartphone isn't detecting the network.
In this article we will look at all possible ways Checking Wi-Fi parameters - from basic (how to find out the network name and password) to advanced (determining the channel width, standard 802.11ac/ax and the level of airtime congestion). You will learn how to analyze the network Windows 10/11, macOS, Android, iOS, as well as in the router settings. We will pay special attention to hidden parameters that are not shown by standard operating system tools — knowing them will help optimize the network and avoid conflicts with neighboring access points.
Whether you're a beginner or an experienced user, there's a solution for every problem here. For example, you'll learn how to determine at what frequency (2.4 GHz or 5 GHz) your device is connected, even if the router uses the same network name (SSID) for both bands. Or how to check if your laptop supports it Wi-Fi 6 (802.11ax), without taking it apart or looking for specifications on the Internet.
1. Basic Wi-Fi characteristics: what you can find out without special programs
Let's start with the most basic: the settings available out of the box in any operating system. This information will help answer questions like, "Is my network 2.4 or 5 GHz?" or "What Wi-Fi standard does my router support?"
On Windows just click on the Wi-Fi icon in the tray (next to the clock) and select Network propertiesHere you will see:
- 📡 Network name (SSID) - What is the name of your access point?
- 🔒 Security type - usually
WPA2-PersonalorWPA3-Personal(IfWEP, change it urgently!). - 📶 Signal level — the number of indicator "sticks" (but this is subjective).
- 🔄 IPv4 address - For example,
192.168.1.100(useful for accessing the router).
On macOS hold down the key Option (⌥) and click on the Wi-Fi icon in the menu bar - more information will appear, including BSSID (MAC address of the router), channel, channel width and even noise level (RSSI in dBm). On Android And iOS This data is hidden deeper, but can be accessed through settings or special applications (more on that below).
⚠️ Attention: If you see a security protocol in the network properties on WindowsWPA2-PSK (AES), but the router supportsWPA3, this is not a bug. Many devices connect by defaultWPA2for compatibility. To force the use ofWPA3, change the security settings in the router control panel.
What cannot be found out by standard means:
- 🔍 Accurate frequency band (2.4 or 5 GHz) if the network uses the same name (SSID) for both bands.
- 📊 Actual connection speed (in Mbps) - only the "theoretical maximum" is shown.
- 🔄 Channel congestion neighboring networks (analytical tools needed).
2. How to determine the Wi-Fi frequency (2.4 GHz or 5 GHz) on a connected device
This is one of the most frequently asked questions: many routers broadcast a single network (one SSID) on two frequencies simultaneously, and the user doesn't know which one their device is connected to. The difference is critical: 2.4 GHz has a long range, but is subject to interference (microwaves, other networks), and 5 GHz faster, but passes through walls worse.
Verification methods depend on the operating system:
🖥️ On Windows 10/11
- Open
Settings → Network and Internet → Wi-Fi. - Click
Additional propertiesunder the name of your network. - Scroll down to the section
Properties- there will be a line Network stripe (2.4 GHzor5 GHz).
🍎 On macOS
Hold Option (⌥) and click on the Wi-Fi icon in the menu bar. The drop-down menu next to the network name will show Channel: 6 (2.4 GHz) or Channel: 36 (5 GHz).
📱 On Android
The default settings don't show the frequency. Use apps like WiFi Analyzer (from VREM Software Development) or NetSpot:
- Open the app and find your network in the list.
- Pay attention to the column "Band" or "Frequency".
🍏 On iPhone/iPad
Apple doesn't provide this information in iOS. Workaround:
- Install the application AirPort Utility (official from Apple).
- Turn on the mode
Wi-Fi Scannerin the utility settings (you need to hold down the icon in the upper right corner). - Run the scan - the results will show the range (
2.4Gor5G).
⚠️ Attention: If your router uses technology Band Steering (automatic switching between 2.4 and 5 GHz), the device may connect to different frequencies depending on the signal. In this case, check the frequency immediately when connection issues occur.
| Device | Verification method | Is third-party software required? |
|---|---|---|
| Windows 10/11 | Settings → Network → Advanced Properties | No |
| macOS | Option + click on the Wi-Fi icon | No |
| Android | WiFi Analyzer App | Yes |
| iPhone/iPad | AirPort Utility (scanner mode) | Yes |
| Router | List of connected devices in the web interface | No |
3. Advanced diagnostics: speed, channel, channel width, and Wi-Fi standard
Now let's move on to the parameters that affect network performance: actual connection speed, channel, channel width (20/40/80/160 MHz) and Wi-Fi standard (802.11n/ac/ax). This data will help optimize the network by avoiding congested channels and choosing the best settings.
On Windows The most detailed information is provided by the command line. Open it (Win + R → cmd) and enter:
netsh wlan show interfaces
In the results, please note:
- 📡 BSSID — MAC address of the router.
- 🔄 Channel — channel number (for example,
11for 2.4 GHz or48for 5 GHz). - 📊 Receive rate (Mbps) And Transmit rate (Mbps) — current reception/transmission speed.
- 🔗 Signal — signal level in percent (for example,
95%).
For macOS use the built-in utility Wireless Diagnostics:
- Hold
Option (⌥)and click on the Wi-Fi icon →Open Wi-Fi diagnostics. - In the menu, select
Window → Utilities. - In the tab
Wi-Fi ScanclickScan Now- a table will appear with all networks, including their channels, channel width and standard (802.11acetc.).
On Android And iOS The following applications are suitable for these purposes:
- 📱 WiFi Analyzer (Android) - shows channels, their load and recommended settings.
- 🍏 NetAnalyzer (iOS) - displays connection speed, channel, channel width, and even a load graph.
⚠️ Attention: If in the resultsnetshorWireless Diagnosticsyou see the channel width20 MHzat 5 GHz, your network is not working optimally. For802.11ac/axIt is recommended to use40 MHzor80 MHz(If there is no interference from neighboring networks). Change this setting in your router settings.
To find out which one Wi-Fi standard Your router or device supports:
- On Windows open
device Manager→Network adapters→ find your Wi-Fi module (for example, Intel Wi-Fi 6 AX200). In the adapter properties, in the tabAdditionallyThe supported standard will be indicated. - On macOS Click and hold the Wi-Fi icon
Option (⌥)— there will be a line in the network informationPHY Mode(For example,802.11axfor Wi-Fi 6). - For a router, look into its settings (usually the section
WirelessorWi-Fi) - the standard is indicated there (802.11n/ac/ax).
How do I know if my router supports Wi-Fi 6 (802.11ax)?
If the router settings or its case indicate the standard 802.11ax, or if you see modes like AX Mode, OFDMA, 1024-QAM, then it's Wi-Fi 6. Also, routers with Wi-Fi 6 are often marked Wi-Fi 6 or AX (For example, TP-Link Archer AX6000).
4. Analysis of channel load and selection of the optimal one
Even if your router supports Wi-Fi 6 and connected to fiber optics, speed may drop due to interference from neighboring networks. In apartment buildings, channels 2.4 GHz often overloaded, and on 5 GHz Some channels may overlap with radars (e.g. channels 52-144 in some countries).
To find a free channel:
🖥️ On Windows
Use the utility inSSIDer (free version) or Acrylic Wi-Fi:
- Download and install the program.
- Run a scan and you will see a graph of channel load.
- For 2.4 GHz choose channels
1,6or11(they do not intersect). - For 5 GHz Avoid channels marked
DFS(may conflict with radars).
🍎 On macOS
Built-in Wireless Diagnostics (see previous section) shows the channel load in graphical form. Alternative - NetSpot (free version).
📱 On Android/iOS
Applications WiFi Analyzer (Android) or NetAnalyzer (iOS) visualize channel load in the form of a graph. WiFi Analyzer go to the tab Channel Graph — green bars show occupied channels.
How to change the channel on a router:
- Open the router's web interface (usually at
192.168.1.1or192.168.0.1). - Go to the section
Wireless Settings(orWi-Fi). - Select
Manualfor the channel and specify a free number (for example,36for 5 GHz). - Save the settings and reboot the router.
⚠️ Attention: In some countries (for example, in Russia), there are restrictions on 5 GHz channels. Channels36–48are usually allowed, and52–144may require supportDFS(dynamic frequency selection). If the router automatically switches from these channels, try149–165(if available in your model).
Check channel load using an analyzer
Select the least crowded channel (1, 6 or 11 for 2.4 GHz)
Avoid 5GHz DFS channels unless you are sure they are supported.
Set the channel width to 40 MHz for 5 GHz (if there is no interference)
Reboot your router after making changes
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5. Checking Wi-Fi characteristics via the router's web interface
The router's web interface is the "brain" of your network, where all settings and diagnostics are located. Here you can view not only your current Wi-Fi settings, but also your connection history, traffic statistics, and even a list of devices that have ever connected to the network.
How to access router settings:
- Find out your router's IP address:
- On Windows:
ipconfigin the command line →Main gateway. - On macOS:
System Preferences → Network → Advanced → TCP/IP→Router.
- On Windows:
192.168.1.1 or 192.168.0.1).admin/admin or indicated on the router sticker).Where to look for Wi-Fi specifications:
- 📡 Network name (SSID) And password: chapter
WirelessorWi-Fi. - 🔄 Channel and channel width: there, in the wireless network settings.
- 📊 List of connected devices:
DHCP Clients ListorConnected Devices. - 🔗 Wi-Fi standard (
802.11n/ac/ax): in the operating mode settings (Wireless Mode). - 🔒 Security type (
WPA2/WPA3): in the sectionWireless Security.
Example for routers TP-Link:
- Go to
Basic → Wireless. - Here you will see the current channel, channel width And mode (For example,
11ac). - In the tab
Wireless StatisticsYou can view the current network load.
For routers ASUS:
- Open
Wireless → General. - In the section
Channel BandwidthYou can change the channel width. - In the tab
Client ListAll connected devices are displayed, along with their MAC addresses and current speed.
⚠️ Attention: If you see the option in your router settingsEnable MU-MIMOorOFDMA, but it's turned off, turn it on - it's technology Wi-Fi 6, which increase bandwidth when connecting multiple devices. However, make sure all your devices support it.802.11ax, otherwise compatibility issues may arise.
How do I find out how many devices are connected to my router?
In the router's web interface, find the section DHCP Clients, Connected Devices or Client ListThere will be a table with MAC addresses, IP addresses, and device names. If this section is missing, check Local Network → DHCP or use apps like Fing (available for Android/iOS).
6. Special utilities for deep Wi-Fi diagnostics
When standard tools don't provide a complete picture, professional utilities come to the rescue. They allow you not only to view your network's characteristics but also to analyze neighboring access points, detect hidden networks, and even simulate attacks to test security.
Top 5 diagnostic utilities:
| Utility | Platform | Possibilities | Link (free version) |
|---|---|---|---|
| inSSIDer | Windows, macOS | Channel scanning, interference analysis, display of hidden networks | Eat |
| Acrylic Wi-Fi | Windows | Detailed network information, speed tests, anomaly detection | Yes (Home) |
| NetSpot | Windows, macOS | Wi-Fi coverage visualization, channel analysis, and report generation | Eat |
| WiFi Explorer | macOS | Load charts, Wi-Fi 6 support, data export | Shareware |
| Fing | Android, iOS | Network scanning, device discovery, port checking | Eat |
Example of use inSSIDer:
- Download and install the program.
- Run a scan and you will see all networks in range, indicating:
- 📡 SSID And BSSID (MAC address).
- 🔄 Channel And channel width.
- 📊 Signal level (RSSI in dBm).
- 🔒 Security type.
- 🖧 Router manufacturer (by MAC address).
Channels Look at the load chart - the channels highlighted in color are busy.Acrylic Wi-Fi allows for a more in-depth analysis:
- 🔍 Detection hidden networks (with SSID broadcast disabled).
- 📈 Plotting charts use of channels in real time.
- 🛡️ Check security vulnerabilities (for example, weak passwords).
For Android And iOS we recommend Fing:
- Scans the network and displays all connected devices with their MAC and IP.
- Determines open ports on devices (useful for security diagnostics).
- Checks Internet speed And connection quality.
⚠️ Attention: Some utilities (eg. Acrylic Wi-Fi (in the professional version) allow you to capture data packets (mode Monitor Mode). This may violate privacy laws in your country if used to intercept someone else's traffic. Use such features only for analysis. his own networks.
7. How to find out the specifications of a Wi-Fi adapter on a PC or laptop
If you have optimized your network but the speed is still low, the problem may be in the network itself. Wi-Fi adapter your device. Old adapters (for example, those that only support 802.11n) will not be able to fully utilize the capabilities of a modern router with Wi-Fi 6.
How to check adapter specifications:
🖥️ On Windows
- Open
device Manager(Win + X → Device Manager). - Expand the branch
Network adapters. - Find the device with the name
WirelessorWi-Fi(For example, Intel Wi-Fi 6 AX201). - Right click →
Properties → Advanced.
Here you will see:
- 🔄 Wi-Fi standard (
802.11a/b/g/n/ac/ax) - look in the properties or name of the adapter. - 📡 Supported frequencies (For example,
2.4GHz/5GHz). - 📊 Maximum speed (For example,
1.2 GbpsFor802.11ac).
🍎 On macOS
- Click and hold on the Wi-Fi icon in the menu bar
Option (⌥). - In the section
Interfaceswill be indicated PHY Mode (For example,802.11axfor Wi-Fi 6). - For detailed information, open
System report(Apple Menu → About This Mac → System Report → Network → Wi-Fi).
🐧 On Linux
Enter in terminal:
lspci -v | grep -i wireless -A 10
Or for USB adapters:
lsusb
Look for lines with Wireless or Wi-FiFor more information:
iwconfig
If your adapter is outdated (for example, it only supports 802.11n), consider replacing it. Modern adapters (for example, Intel AX200 or TP-Link Archer TX3000E) support Wi-Fi 6 and provide speed up to 2.4 Gbps.
⚠️ Attention: On laptops, the Wi-Fi adapter is often soldered onto the motherboard. Before purchasing an external USB adapter, check whether the integrated module can be disabled in the BIOS (otherwise, conflicts may occur).