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So Why Should You Care About NFC?

January 25th, 2011 01:21 admin Leave a comment Go to comments

If you asked most folks what NFC means they’d probably mumble something about the Giants and wave you off. However, Near Field Communication is here to stay and if Google and Apple’s current and potential implementations are any indication, we’ll be using NFC devices in the next two years, at least in some specific environments.

First, though, what is Near Field Communication (NFC)? At its core it’s a low-power radio system that allows short-range data transfer at distances around 3 inches, or 10 centimeters. There are multiple modes, although the most important is passive mode, in which a device acts as a programmable smart card. For example, an NFC transmitter could pose as any number of RFIDs as well as interact, albeit briefly, with security systems and payment kiosks. In short, an NFC transmitter becomes both a wallet and a personal ID.

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