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WHAT IS NFC?
NFC, is one of the latest wireless communication technologies. As a short-range wireless connectivity technolog,NFC offers safe yet simple communication between electronic devices.
It enables exchange of data between devices over a distance of 4 cm or less.
NFC operates at 13.56 MHz and rates ranging from 106 kbit/s to 848 kbit/s.
How NFC Works
NFC is based on RFID technology that uses magnetic field induction between electronic devices in close proximity.
For two devices to communicate using NFC, one device must have an NFC reader/writer and one must have an NFC tag. The tag is essentially an integrated circuit containing data, connected to an antenna, that can be read or written by the reader.
Uses and Applications
There are currently three main uses of NFC:
- Card emulation: The NFC device behaves like an existing contactless card
- Reader mode: The NFC device is active and reads a passive RFID tag, for example for interactive advertising
- P2P mode: Two NFC devices communicating together and exchanging information.
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Filename : NFC Technology PPT Added :22 April, 2012 (18:37) Category : Electronics and Communication Posted by :tukimin