[Hackrf-dev] Scan for wifi networks?

[Silverfox]

There are people and groups that are pros at doing this kind of work.  Check the or youtube for it.  Michel Ossman has given many great talks on how to approach and accomplish the task.

73,

Alan – W6ARH

 

 

From: n0p [Luis Bernal] [mailto:lbernal at gmail.com] 
Sent: Friday, June 10, 2016 2:31 AM
To: Silverfox
Cc: Marcus Prem; hackrf-dev at greatscottgadgets.com >> hackrf-dev
Subject: Re: [Hackrf-dev] Scan for wifi networks?

 

Some time ago I did try the gr-80211 but with no success, I think I got something wrong, since I had to adapt the GRC from UHD to Hackrf.

 

Yes, a cell phone would be easier, but sometimes you need to id something that looks like wifi, behaves like wifi, but is on a weird frequency, like 3Ghz, be it a harmonic of a poorly filtered AP or a AP on a weird frequency, since there are modules and APs for uncommon frequencies that use 802.11.

 

So I am also interested in this and would like to hear of someone that made it work.

 

 

2016-06-04 16:04 GMT+02:00 Silverfox <alan.r.hill at gmail.com>:

Seeing the signals is somewhat less challenging then decoding them.  The GNU Radio FFT program will display the spectrum but you would be limited by bandwidth.  I don’t know if you could show the bands simultaneously.  Just my opinion.  I haven’t tried it.  Also, you are limited by the attributes of the antenna, its height and the environment.  Ubiquity makes cheap products that will do what you want for a lot less than most SDRs.

Alan

 

 

From: Marcus Prem [mailto:info at eventgroup-kl.de] 
Sent: Saturday, June 4, 2016 4:29 AM
To: Silverfox
Cc: Martin Smith; HackRF-dev at greatscottgadgets.com
Subject: Re: [Hackrf-dev] Scan for wifi networks?

 

i am also interessted to scan the wifi band with a SDR - and add this feature to the 

https://github.com/He3556/SDR-Detector

 

I would also like to receive the beacons of the clients. 

Does somebody have an idea how to do that with hack-rf? maybe there are projects out there? 

 

thanks marcus

 

 

 



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Marcus Prem
Dipl.- Inf. (FH)
PGP Public Key <http://dm-development.de/wp-content/uploads/2014/11/1F42A9A8.asc> 

dm-development.de <https://www.dm-development.de/>  

Am 03.06.2016 um 22:10 schrieb Silverfox <alan.r.hill at gmail.com>:

Wifi Analyser APP works well on my droid cell phone and displays everything one could hope for and it is free.  That is not to say that there are many other inexpensive approaches that also work well.

 

 

From: HackRF-dev [mailto:hackrf-dev-bounces at greatscottgadgets.com] On Behalf Of Martin Smith via HackRF-dev
Sent: Friday, June 3, 2016 10:51 AM
To: hackrf-dev at greatscottgadgets.com
Subject: Re: [Hackrf-dev] Scan for wifi networks?

 

Another problem is that most Wifi protocols require more than 20MHz of bandwidth (ref: https://en.wikipedia.org/wiki/IEEE_802.11#Protocol ) so that would be a road block.

 

On 03/06/2016 15:12, Jeff Thompson wrote:

HI all, is it possible to scan for wifi networks with the HackRF one? I’d at a minimum like to get the SSIDs of all the networks in range, preferably other stats with it (security settings, signal strength, etc).
 
I’d prefer to do this directly with Python, rather than a GUI interface.
 
Thanks and cheers!
Jeff
 
- - -
Jeff Thompson
Assistant Professor, Program Director
Visual Art & Technology, Stevens Institute of Technology
www.jeffreythompson.org
@jeffthompson_
 
 
 






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