What is Near Field Communication and what are NFC Tags
NFC (Near Field Communication) is an evolution of RFID technology; NFC enables secure wireless connectivity between two devices, with related exchange of data.
NFC technology, applied to a smartphone or a tablet, allows:
- the exchange of information between two devices, totally safe and quick, simply by approaching (via Peer-to-peer);
- to make quick and protected payments with mobile phones (via HCE);
- to read or write NFC Tags.
NFC Tags are small chips usually integrated into tiny stickers, PVC support, or inside of smartcards.
On NFC Tags, you can write informations, which can be easily read (and executed) by NFC device, like a smartphone or a tablet. You just have to tap the Tag with your device.
NFC Tags are very similar to a digital memory (less capacious), but they does not require any energy source, because they are directly activated by the magnetic field of NFC device. The available memory, as we said, is limited, but it is not a real limit: just think of the possibility of writing a link to a web page, which can be applied to any object, brochures, flyers, posters, business cards, clothes, product packagings and so on, with free space for creativity. It's similar to a QR Code, but it can contains more informations and it does not require any applications to work properly.
On NFC Tag you can writte a lot of types of information. Some of these are for private use:
- enable / disable Wi -Fi
- activate / deactivate the Bluetooth
- activate / deactivate the GPS
- open / close an application
- and so on...
Then there are the applications that we defined public apps or marketing:
- open a web page
- save a V-Card
- give a "Like" on Facebook
- follow someone on Twitter
- send an email
- send an SMS
- start a phone call
- check-in on Foursquare
- and so on...
The NFC Tags also have the advantage that you can easily read them by a cheap phone and write them by yourself with a free application (Android, iOS, BlackBerry or Windows).
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