What is NFC (near field communication)?

BySteve Lowry 2018-06-06 5546

NFC is widely today, the applications of NFC have increased by a considerable degree in the past couple of years. What is NFC? What are the advantages of NFC compared with Bluetooth?

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NFC short for Near Field Communication

NFC is a short-range high frequency wireless communication technology that enables the exchange of data between devices over about a 10 cm distance.



NFC technology


NFC is an upgrade of the existing proximity card standard (RFID) that combines the interface of a smartcard and a reader into a single device. It allows users to seamlessly share content between digital devices, pay bills wirelessly or even use their Cell phone as an electronic traveling ticket on existing contactless infrastructure already in use for public transportation.


Advantages of NFC compared with Bluetooth

The significant advantage of NFC over Bluetooth is the shorter set-up time. Instead of performing manual configurations to identify Bluetooth devices, the connection between two NFC devices is established at once (under a 1/10 second).



NFC application


Due to its shorter range, NFC provides a higher degree of security than Bluetooth and makes NFC suitable for crowded areas where correlating a signal with its transmitting physical device (and by extension, its user) might otherwise prove impossible.


NFC can also work when one of the devices is not powered by a battery (e.g. On a phone that may be turned off, a contactless smart credit card, etc.).



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