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Небольшая бесплатная утилита, которая отслеживает службу беспроводной сети операционной системы Windows и отображает любое событие, включая сканирование беспроводных сетей, подключение или отключение от точки доступа, неудачную попытку подключения и пр. (полное описание…)

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How to Test WiFi Speed?

There are several ways how you can test your WiFi speed, some more convenient than others. In fact, one handy WiFi internet speed test tool comes with all versions of the Windows operating system, and its name is Ping.

Microsoft describes it as the primary tool for troubleshooting IP-level connectivity in Windows. This command-line tool can measure how long it takes a local or remote network device, such as a web server, to respond to a request, and it can also detect when packets of data get lost. Theoretically, you could even use Ping to determine your download and upload speed, but doing so would be inconvenient for a number of reasons.

A common alternative to Ping are various online speed tests provided by different ISPs. While easy to use and convenient, such speed tests lack transparency and their results could be manipulated to either make the competition look bad or to make customers believe that their internet speeds are greater than they really are.

Because of this, we recommend independent WiFi speed test apps, like the ones listed below.

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WifiDiagnosticsView v1.07

Copyright (c) 2022 — 2024 Nir Sofer

Description

WifiDiagnosticsView is a Wifi diagnostics tool for Windows 11/10/8/7/Vista that monitors the wireless network service of Windows operating system and displays any
event that occurs while WifiDiagnosticsView is running, including wireless networks scan, connect to access point, disconnect from access point, failed connection attempt, and so on..
When a failure is detected, the error code and error description is displayed.

System Requirements

This tool works on any version of Windows, starting from Windows Vista and up to Windows 11. Both 32-bit and 64-bit systems are supported.
This tool is just a small standalone .exe file that you can run on any system without installing anything.

Version History

Version 1.07:
- Added ‘Always On Top’ option.
Version 1.06:
- The current number of items in the main window is now displayed in the tray icon tooltip.
Version 1.05:
- Added ‘Black Background’ option (Under the View menu). When it’s turned on, the main table is displayed in black background and white text, instead of default system colors.
- Added ‘Full Screen’ mode (View -> Full Screen or F11 key).
Version 1.03:
- Added ‘Automatically Scroll Down On New Items’ option.
Version 1.02:
- Added ‘Quick Filter’ feature (View -> Use Quick Filter or Ctrl+Q). When it’s turned on, you can type a string in the text-box added under the toolbar and WifiDiagnosticsView will instantly filter the wifi diagnostics items, showing only lines that contain the string you typed.
Version 1.01:
- Fixed to display the time properly in AM/PM format.
- Fixed the default columns size in high DPI mode.
- Fixed typo in Description column.
Version 1.00 — First release.

Start Using WifiDiagnosticsView

WifiDiagnosticsView doesn’t require any installation process or additional DLL files. In order to start using it, simply run the executable file — WifiDiagnosticsView.exe

After running WifiDiagnosticsView, it starts to monitor the wireless network service on your system, and every event is added to the main window of WifiDiagnosticsView.

Be aware that the following columns are filled only when they are relevant to the event: Profile Name, SSID, Failure Code, Failure Text, BSSID, Connection Mode.

Put Icon On Tray

If you want to run WifiDiagnosticsView in the background without displaying any window, simply turn on the ‘Put Icon On Tray’ option (Under the Options menu).
After you enable this option, you can close the main window of WifiDiagnosticsView, and it’ll continue to monitor your Wifi connections in the background.
When you want to open the window of WifiDiagnosticsView again, simply double-click the icon of WifiDiagnosticsView in the system tray.

Translating WifiDiagnosticsView to other languages

In order to translate WifiDiagnosticsView to other language, follow the instructions below:

Run WifiDiagnosticsView with /savelangfile parameter:

WifiDiagnosticsView.exe /savelangfile

A file named WifiDiagnosticsView_lng.ini will be created in the folder of WifiDiagnosticsView utility.
Open the created language file in Notepad or in any other text editor.
Translate all string entries to the desired language.
Optionally, you can also add your name and/or a link to your Web site.
(TranslatorName and TranslatorURL values) If you add this information, it’ll be
used in the ‘About’ window.
After you finish the translation, Run WifiDiagnosticsView, and all translated
strings will be loaded from the language file.

If you want to run WifiDiagnosticsView without the translation, simply rename the language file, or move
it to another folder.

License

This utility is released as freeware.
You are allowed to freely distribute this utility via CD-ROM, DVD,
Internet, or in any other way, as long as you don’t charge anything for this and you don’t
sell it or distribute it as a part of commercial product.
If you distribute this utility, you must include all files in
the distribution package, without any modification !

Disclaimer

The software is provided «AS IS» without any warranty, either expressed or implied,
including, but not limited to, the implied warranties of merchantability and fitness
for a particular purpose. The author will not be liable for any special, incidental,
consequential or indirect damages due to loss of data or any other reason.

Feedback

If you have any problem, suggestion, comment, or you found a bug in my utility,
you can send a message to support@nirsoft.net

Download WifiDiagnosticsView

WifiDiagnosticsView is also available in other languages. In order to change the language of
WifiDiagnosticsView, download the appropriate language zip file, extract the ‘wifidiagnosticsview_lng.ini’,
and put it in the same folder that you Installed WifiDiagnosticsView utility.

Language	Translated By	Date	Version
Dutch	Jan Verheijen	28/11/2024	1.07
French	Largo	26/11/2024	1.07
German	«Latino»	21/04/2025	1.07
Hungarian	Timinoun	18/02/2025	1.07
Italian	Giacomo Margarito e bovirus	26/11/2024	1.07
Japanese	coolvitto	05/12/2024	1.07
Persian	ZendegiyeSabz	08/12/2024	1.07
Polish	Hightower	11/12/2024	1.07
Russian	Dmitry Yerokhin	26/11/2024	1.07
Simplified Chinese	DickMoore	10/09/2023	1.05
Slovak	František Fico	05/01/2025	1.07
Spanish	daheca	12/11/2022	1.12
Traditional Chinese	Danfong Hsieh	26/11/2024	1.07
Turkish	HARUN ARI	13/07/2023	1.05

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Уровень сигнала Wi-Fi влияет на качество вашего интернет подключения. В Windows вы можете определить текущее значение уровня сигнала Wi-Fi подключения несколькими способами. Я попробовал разобраться, как с помощью PowerShell определить текущий уровень сигнала Wi-Fi; вывести уведомление, если качество сигнала упало; и вывести список всех доступных беспроводных сетей с их техническими параметрами.

Обычный пользователь Windows 10 может оценить уровень сигнала Wi-Fi для текущего подключения по иконке беспроводной сети в таскбаре. Щелкните по иконке и перед вами появится список доступных Wi-Fi сетей.

У каждой Wi-Fi сети есть иконка с полосками. Чем больше полосок, тем лучше уровень сигнала точки доступа. Три полоски говорят о том, что уровень качества сигнала находится в диапазоне от 75 до 100%. Если у подключения две полоски, значит качество приема сигнала Wi-Fi между 50 и 75%, и т.д.

Вы можете получить более точное значение качества сигнала из командой строки. Все параметры текущего беспроводного подключения можно вывести с помощью команды:

netsh wlan show interfaces

На скриншоте выделен уровень сигнала подключения к Wi-Fi точке доступа (Signal: 72%).

С помощью PowerShell можно получить только значение уровня сигнала в процентах:

(netsh wlan show interfaces) -Match '^\s+Signal' -Replace '^\s+Signal\s+:\s+',''

powershell получить текущий уровнень сигнала wifi

С помощью простого PowerShell скрипта можно вывести всплывающее уведомление пользователю, если уровень Wi-Fi сигнала стал менее 30%.

$cur_strength=(netsh wlan show interfaces) -Match '^\s+Signal' -Replace '^\s+Signal\s+:\s+','' | Out-String If ($cur_strength.replace('%','') –le 30) {

Add-Type -AssemblyName System.Windows.Forms $global:balmsg = New-Object System.Windows.Forms.NotifyIcon $path = (Get-Process -id $pid).Path $balmsg.Icon = [System.Drawing.Icon]::ExtractAssociatedIcon($path) $balmsg.BalloonTipIcon = [System.Windows.Forms.ToolTipIcon]::Warning $balmsg.BalloonTipText = “Уровень Wi-Fi сигнала менее $cur_strength Вернитесь к точке доступа!” $balmsg.BalloonTipTitle = "Внимание $Env:USERNAME" $balmsg.Visible = $true $balmsg.ShowBalloonTip(10000) }

Такой PowerShell цикл можно запустить в бесконечном цикле и проверять состояние сигнала раз в 10 секунд, или сделать из него службу Windows, чтобы она уведомляла вас об плохом Wi-Fi подключении.

Также с помощью netsh вы можете вывести список всех доступных беспроводных сетей в зоне действия вашего беспроводного адаптера (а не только список сохраненных wi-fi сетей). Для этого используется команда:

netsh wlan show network mode=bssid

Следующий PowerShell скрипт сканирует все доступные Wi-Fi сети (в том числе точки доступа на Windows), выводит их имена, уровень сигнала, каналы (полезно для поиска свободных каналов), и стандарты (802.11n, 802.11ac, 802.11g и т.д.), на которых они работают.

$logs=@() $date=Get-Date $cmd=netsh wlan show networks mode=bssid $n=$cmd.Count

For($i=0;$i -lt $n;$i++) { If($cmd[$i] -Match '^SSID[^:]+:.(.*)$') { $ssid=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Type[^:]+:.(.+)$' $Type=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Authentication[^:]+:.(.+)$' $authent=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Cipher[^:]+:.(.+)$' $chiffrement=$Matches[1] $i++ While($cmd[$i] -Match 'BSSID[^:]+:.(.+)$') { $bssid=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Signal[^:]+:.(.+)$' $signal=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Type[^:]+:.(.+)$' $radio=$Matches[1] $i++ $bool=$cmd[$i] -Match 'Channel[^:]+:.(.+)$' $Channel=$Matches[1] $i=$i+2 $logs+=[PSCustomObject]@{date=$date;ssid=$ssid;Authentication=$authent;Cipher=$chiffrement;bssid=$bssid;signal=$signal;radio=$radio;Channel=$Channel} } } } $cmd=$null $logs|Out-GridView -Title 'Scan Wifi Script'

Перед вами должна появится вот такая таблица Out-GridView с информацией о параметрах всех доступных беспроводных сетях.

powershell скрипт для сканирования доступных wifi сетей, определения уровня сигнала и каналов

На это скриншоте видно, что в моем окружении популярен 13 канал, поэтому мне не стоит запускать свою точку доступа на этом канале.

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Windows 11 wireless signal quality view
(Image credit: Mauro Huculak)

On Windows 11, you can check the Wi-Fi signal strength in multiple ways, and in this guide, I will show you how to complete this task.

When you connect your laptop or desktop computer to the network and the internet using a wireless adapter, the quality of the signal will impact the connection’s performance. The main reason is that this technology uses radio waves to send and receive data, which are susceptible to interference and limited in range.

As a result, the ability to know the signal strength for a Wi-Fi connection can help you troubleshoot connectivity problems and quickly discard an issue with the Internet Service Provider (ISP).

If you must check the signal strength, Windows 11 offers at least five ways to complete this task: using the Taskbar’s Quick Settings, the Settings app, the legacy Control Panel, and commands with PowerShell and Command Prompt.

In this how-to guide, I will explain the different ways to monitor the wireless signal quality on Windows 11.

How to check wireless strength from Taskbar

To determine the signal quality of your Wi-Fi connection from the Taskbar, use these steps:

Click the network icon in the Taskbar.
Click the «Manage Wi-Fi connections» button.

(Image credit: Mauro Huculak)

Confirm the number of bars in the wireless icon for the active connection to determine the strength.

Quick Settings check wireless signal strength

(Image credit: Mauro Huculak)

In the icon, one solid bar indicates a weak signal, two bars mean the signal is acceptable, and three and four bars represent the best signal you can get.

All the latest news, reviews, and guides for Windows and Xbox diehards.

How to check wireless strength from Settings

To check the Wi-Fi signal strength from the Settings app, use these steps:

Open Settings.
Click on Network & internet.
Click the Wi-Fi page on the right side.

(Image credit: Mauro Huculak)

Check the number of bars in the wireless icon for the active connection to determine how strong the signal is.

Windows 11 Settings wireless signal quality

(Image credit: Mauro Huculak)

After you complete the steps, the wireless icon will give you an indication of the signal quality on Windows 11.

How to check wireless strength from Control Panel

To determine the signal quality of a wireless connection, use these steps:

Open Control Panel.
Click on Network and Internet.
Click on Network and Sharing Center.

(Image credit: Mauro Huculak)

The icon for «connections» will indicate the signal quality under the «View your active networks» section.
(Optional) Click the connection name to check the signal strength and other information.

(Image credit: Mauro Huculak)

Once you complete the steps, the legacy Control Panel will reveal the connection signal quality of your computer.

How to check wireless strength from PowerShell

To find out the Wi-Fi signal strength through PowerShell, use these steps:

Open Start.
Search for PowerShell and click the top result to open the app.
Type the following command to check the signal strength and press Enter: (netsh wlan show interfaces) -Match ‘^\s+Signal’ -Replace ‘^\s+Signal\s+:\s+’,’‘
Confirm the signal quality output. (The percentage goes from 0 to 100, where 100 percent indicates excellent signal quality.)

PowerShell command to check wireless signal

(Image credit: Mauro Huculak)

After you complete the steps, the connection is reliable if you see a signal quality between 80 and 100 percent. If the signal is above 70 percent, it’s still good for light web browsing. Anything below 60 percent of the signal is weak.

How to check wireless strength from Command Prompt

To confirm the Wi-Fi signal strength from the Command Prompt, use these steps:

Open Start.
Search for Command Prompt and click the top result to open the app.
Type the following command to view the Wi-Fi signal strength and press Enter: netsh wlan show interfaces
Confirm the signal quality in the «Signal» details. (If the output number equals or exceeds 80, the signal’s strength is good.)

(Image credit: Mauro Huculak)

Once you complete the steps, Command Prompt will reveal the quality of the signal quality.

Consider these tips to improve signal strength

If your device has a weak wireless signal, move the computer closer to the access point or place the access point in the line of sight, such as in the middle of the room, where you can see it.

As you make physical changes to the computer or access point’s location, run the Command Prompt or PowerShell commands to get more accurate results.

You can also use the dynamic wireless icon. Each bar (including the dot) represents a quarter of the signal quality. The dot is 25 percent, the second bar is 50 percent, the third is 75 percent, and the fourth is 100 percent.

You should also consider the physical environment. For example, fluorescent lights and microwaves can cause wireless signal interference, walls, and other solid objects can weaken the quality of the signal, and the position of the antennas can also play a role.

In addition, if you’re in a location with many wireless signals using the channel, this can also cause problems with the connection speeds. Usually, modern access points can detect and adapt to the environment, but sometimes, you may just have to change the configuration, such as changing the wireless channel to one that is less crowded.

More resources

For more helpful articles, coverage, and answers to common questions about Windows 10 and Windows 11, visit the following resources:

Windows 11 on Windows Central — All you need to know
Windows 10 on Windows Central — All you need to know

Mauro Huculak has been a Windows How-To Expert contributor for WindowsCentral.com for nearly a decade and has over 15 years of experience writing comprehensive guides. He also has an IT background and has achieved different professional certifications from Microsoft, Cisco, VMware, and CompTIA. He has been recognized as a Microsoft MVP for many years.

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