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Guest m2mike

Spider box

7 posts in this topic

Has anyone here ever constructed a spider box? "What is a spider box?", you might wonder. I'll tell you. It is a proximity card reader that can basically read someone's card info. This was discussed at H2K2 by Delchi.

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I saw the presentation at H2K2 and I decided that once I have tons of money and time I'm going to construct my own. It's pretty simple to do actually but you'll need enough cash to drop on the near $1,000 card reader (at least my source wants almost that much for it).

After seeing how many places use prox. card and ONLY prox. card for their security I think it's a valuable toy to have. :D

If I build one I'll post the results.

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I'm pretty sure I've seen readers for around $200, but even that is kinda steep.

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There are some very cheap readers on that first page (sub $100!) but there are two issues with them that I can see.

First, there's no clear explanation of what kind of prox. cards it reads. I'd assume generally that there's a standard that it'd have to adhere to but from the other pages where they show their selection of cards I'm not 100% sure. Since their cards that are specifically mentioned to work with their readers are so much cheaper I tend to think that something fishy is going on.

Second, the reading distance is only 5" - 6". On an $800 reader it's MUCH further than that (several feet).

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Second, the reading distance is only 5" - 6".

Two words - Crowded Elevator.

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