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Re: [Discuss-gnuradio] detecting covert RFID scans
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From: |
Daniel Pocock |
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Subject: |
Re: [Discuss-gnuradio] detecting covert RFID scans |
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Date: |
Sun, 27 Dec 2015 19:14:28 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0 |
On 27/12/15 19:03, Marcus Müller wrote:
> 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.
>
If the sniffer was carried in close proximity to the card itself (e.g.
the card and sniffer in a backpack) and the backpack passed a hidden
RFID scanner at the entrance to a shop, would the sniffer be able to
detect the communication?