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Old 01-11-2013, 05:47 PM   #13 (permalink)
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Join Date: May 2010
Location: Vancouver, BC, Canada
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Originally Posted by tylerkat89 View Post
You're misinformed. A quick search will prove to you otherwise
Actually, he's properly informed. The key phrase there was "non active", which is an RFID tag that doesn't have its own power source. Like the posts you walk through on the way out of the store with your stolen merchandise, the passive tag simply responds to passing through a magnetic field. And unless you're talking MRI-strong, the store post widths are about the best you can do.

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