NFC is a lot like RFID, only it's a more up-close-and-personal type of wireless. Whereas RFID can be used from a distance, NFC readers work at a maximum range of about 4 inches (10 centimeters). NFC readers aren't suitable for RFID-style inventory tracking; their range is too short. So NFC tags will appear in a flood of products and promotional items where bits of digitized information might come in handy.
Unlike RFID versions, NFC readers aren't always specialized devices. As a matter of fact, NFC chips will be incorporated right into your smartphone's circuitry. About 20 percent of phones worldwide might have NFC capabilities by 2014 [source: Juniper]. With the widespread reach of NFC phones, NFC tags could one day become as commonplace as bar codes.
For example, a smart tag could be embedded into a political flyer. Tap the tag, and you're directed to a Web site touting a candidate's credentials. At the same time, you also instantly receive a snappy biography in the form of a text file and image.
Or, at your favorite restaurants, you can touch your phone to an NFC tagged menu and voila -- you have the entire menu on your phone, along with nutritional information and mouth-watering descriptions of the ingredients in your favorite dishes.
E&R technologies supplies pre-print on metal NFC tags and blank ( no print). And there are many available sizes for customers’ choice. As usually, if you need to sticker on metal surface of your smart phone that the sizes usually not bigger than 50*50mm. And you can custom your own size for the anti metal NFC tags.
About the shape you can pick up square, rectangular or round or customized.
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