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A Free Wireless Strength Meter for Windows

Post image for A Free Wireless Strength Meter for Windows

by Steve Wiseman on May 23, 2012 · 27 comments

in Tips,Tools,Utility


.

A while a go Wil asked the question:

“Is there a tool available in Windows 7 to check and measure wireless signal strength. It would show where your weak areas and dead spots are, using whatever card is built into the PC. Thanks”

We actually have had our own tool to do this internally for a while. This week we polished it up and got it ready for you to put on your flash drive :)

It is a single EXE that does not need an install.

When you launch it, it will default to the first card it finds and show you a list of all the networks it sees:

Wireless Strength List

If you are in a crowded area, you can easily narrow down the network names shown by just typing in the filter box at the bottom:

Wireless Strength Filter

You can also export the list to a CSV file by clicking the export button:

Wireless Export List

It is a free download for personal and commercial use. You can find it in our download section:

IntelliAdmin Download Page

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{ 27 comments… read them below or add one }

1 Mike Lundquist May 23, 2012 at 10:45 am

Great little utility, as always.

Got a question. On my 2003 box it is giving me an error that it is missing a DLL named “wlanapi.dll”. How can I get it to work?

2 Steve Wiseman May 23, 2012 at 10:47 am

Hi Mike,

This is because MS never included the wireless management API with 2003….and I don’t think they ever plan to.

One way around it is to copy the wlanapi.dll (I believe it is in c:\windows\system32) from an XP SP2 or greater machine and put it in the same folder as the app…in addition if you are seeing this on Windows XP, this update will get that DLL for you:

http://support.microsoft.com/kb/918997

Steve

3 Pierre May 23, 2012 at 10:49 am

Very good utility, easy to install and easy to use. But I have one question, why do I see my network twice ?

4 Steve Wiseman May 23, 2012 at 11:16 am

It could be that your Access point is broadcasting two different network types…B and N. Sometimes these are picked up by the windows subsystem as two distinct networks…or it could be a bug in the Windows API :)

Update:

This is a bug in the API. Looks like other developers get around this by making sure only unique SSIDs show up on the list. We don’t want to do that since you might want to see both when there really is two. We are looking for a way to pull the MAC address of the network…that way we will know if it is the same one.

Update 2:

We found a way to pull the MAC address of the access point, and this issue has been resolved. Just download from here to get the fixed version:

http://www.intelliadmin.com/WiFiStrength.exe

This new version will also show you the MAC address of the AP.

Also…compatibility with this tool is Windows XP SP3 or higher. All above Vista are supported, and 2003 needs to have that DLL copied over if you need it on that platform (See my other comment)

Thanks for taking the time to let us know about this – really appreciate it.

Steve

5 Ross Pimentel May 23, 2012 at 11:23 am

This is a very cool application. You guys always come up with some cool things.

Have you ever thought about adding all of these as side additions to the Intelli-Administrator ?

I know you add some of them, but why not add all of the ones you make ?

6 Brad May 23, 2012 at 12:52 pm

Awesome tool! Thank you for creating this!

7 Steve Wiseman May 23, 2012 at 4:40 pm

We are working on it. In fact almost every one of these tools has this in mind. The problem right now is the execution engine, and some of the plugin systems within Network Administrator are quite limited – so we need to resolve that first.

First up is the execution engine…a new one will be in place in just a few weeks. Part of that engine is in the cron utility. Once we get that running there will be more possibilities :)

Keep an eye on our blog for updates…or just sign up for the newsletter and you will get notified when it happens.

Steve

8 Pierre May 23, 2012 at 7:16 pm

Thank you very much. Never seen such a fast customer service. I like the “New and Improved” version.

9 Strauss van Dor May 23, 2012 at 8:48 pm

Thanks for sharing your creations.
Whether I find them useful for my specific purposes or not, I can’t help to appreciate your hard work and time invested on this amazing tools.
So once again, thank you very much.

Totally non-related: Will you ever update the year on the copyright notice at the foot of this page? =)

10 Steve Wiseman May 23, 2012 at 8:59 pm

You are right…the copyright is out of date! Fixed. Thanks for letting us know ;)

Steve

11 Wil Christian May 24, 2012 at 5:21 am

Steve, Thanks so much for the WiFi Strenght utility, it is great and just what the doctor ordered. I didn’t think anyone was looking at or taking any actions on the emails sent. I will share this and your site with my co-workers.
Again Thanks,
Wil

12 Jimmy November 12, 2012 at 11:24 am

I live in a crowded high rise building. Thare are many wireless routers operating. Beside the wireless strength, it would be nice to know which frequency and which channel each of them is using. This is so that I can find a non-overlapping channel to avoid conflict and get better throughput performance.

13 Norman Roder January 29, 2013 at 8:40 am

When I run program, it shows only one router and network icon program on XP laptop computer shows 7 wireless routers in range. Refresh does not help. Only one card. Why?

14 Vincent February 22, 2013 at 10:25 am

Great utility that gives great information! However, is there a way to log the signal strength over time? We have some interference in one area of our office suite and I would like to track how signal strength is impacted over a period of time. Thanks for your hard work!

15 Steve Wiseman February 22, 2013 at 10:34 am

Hi Vincent,

That is a great question. We will look into this for the next version.

16 david karabinus March 6, 2013 at 7:15 pm

Dear Sir/Madam —

Tried to download your wireless signal strength meter for Windows unsuccessfully. Entered name and email address. Clicked Download. Page opened that said I’d receive download shortly. No download.
What am I doing wrong?

Thanks,

David

17 Steve Wiseman March 8, 2013 at 9:50 am

Send us an email at support@intelliadmin.com and I will get you a direct link.

Thanks,

Steve

18 ronen April 12, 2013 at 4:24 am

Please send me the link
I have windows XP

19 Graeme Jaye May 17, 2013 at 8:37 pm

This is a very useful little utility, but I do have one question. I see two wireless links (which is correct) one is 100%, the other 76%.

My question: a percentage of what?

Regards

20 Steve Wiseman May 19, 2013 at 9:47 am

That is the signal strength. It would be the same when you see the wireless icon….5 bars = 100%…so now thinking about it…it might be better to show a strength meter instead of an actual percentage.

21 Graeme Jaye May 23, 2013 at 6:43 am

Yes – a proper strength meter would be more useful.

22 David May 23, 2013 at 9:04 am

Hi Steve:

I just download the Signal Strength Meter again today. It shows all fields as blank on my Vista machine but correctly shows the network on my Windows 7 machine. I know that this did work at one point and wonder if you have any suggestions.

Thanks,

David

23 David May 23, 2013 at 9:52 am

OOPs!

Regarding the above – about two months ago I hardwired the Vista machine to my router – thus no wireless signal.

Sorry for any inconvenience.

Regards,

David

24 Bill July 17, 2014 at 6:46 pm

I downloaded “wifistrength.exe”
My INTERNAL works great.
My EXTERNAL “Intel Advanced N 6250 AGN Adapter” does not.
What do I do?
Thanks,
Bill
earnist@juno.com

25 Steve Wiseman July 18, 2014 at 9:48 am

Hi Bill,

Not much we can do about it. It probably is because the external adapter is not supported by the MS Wi-Fi API that allows us to get this info.

Thanks,

Steve

26 William Heim August 9, 2014 at 8:27 am

Is it possible to run this app from an iphone?

Thanks so much.

27 Steve Wiseman August 10, 2014 at 11:58 pm

Hi William,

No it is windows only. It would be nice to have an app like that for the iPhone. Not sure if the Apple store would allow it since I think you need raw access to the wireless interface on the iPhone.

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