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Re: [Discuss-gnuradio] detecting covert RFID scans
From: |
Marcus Müller |
Subject: |
Re: [Discuss-gnuradio] detecting covert RFID scans |
Date: |
Sun, 27 Dec 2015 19:03:58 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
The problem is that technically, the energy sent out by an RFID reader
isn't big enough to detect readers from afar; they are near-field
devices, as opposed to the typical far-field antenna based radio
transmitters.
Cheers,
Marcus
On 12/27/2015 06:01 PM, Daniel Pocock wrote:
>
> I did a search for RFID on the wiki and it didn't find anything
>
> http://gnuradio.org/redmine/projects/gnuradio/search?utf8=%E2%9C%93&wiki_pages=1&q=rfid
>
> Looking through the mailing list history there have been some
> discussions though, e.g.
>
> https://lists.gnu.org/archive/html/discuss-gnuradio/2006-10/msg00296.html
>
> One interesting GNU Radio use case that comes to mind is to build some
> kind of device that can sniff covert attempts to scan RFID cards. It
> would be interesting to carry the device around shopping malls and
> railway stations and discover the locations of all the hidden scanners
> that are tracking people these days.
>
> Regards,
>
> Daniel
>
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