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Old 05-01-2013, 08:01 PM   #1
HootDad
Makes magical trips each year
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Join Date: Aug 1999
Location: New York
Posts: 192

RFID - passive or active?

Hi all,

So, I was listening to a WDW podcast (not the DIS - sorry...) and one of the folks on the show did a quick description of the RFID technology used in the new wristbands. As I listened I talked back to my iPod because what he described is an "active" RFID technology, while I always assumed Disney used "passive" (quick distinction - "active" broadcasts a signal, "passive" does not). Anyway someone actually wrote in and corrected him but this got me thinking...

First, I looked up pictures of the bands online to confirm they are passive as I suspect they are. To my surprise, they look like they could be active, not passive. I'm still pretty sure they aren't if only because active tags are more expensive and burdensome. BTW, what I am referring to here is that active tags would be a bit thicker - passive tags could be as thin as a piece of cardboard. But the wristbands look to have some thickness to them.

So, you may ask, who cares? The reason this would be interesting is that, if the tags are active, this opens up interesting possibilities. Now, the main reason for using active tags is so you can track their movement. So... if Disney were using active tags, this would indicate an interest in tracking movement. So, does anyone know for a fact that the tags are passive? Like I said, I assume they are, but it is an interesting question.
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