2 July 2012

             Android ICS 4.0 Has New Functionality called NFC.  but what is it? And how it work?  With its update and new features Google have introduced new Near Field Communication (NFC).

What is NFC ?

Android NFC
So you know what NFC stands for, but what is it really about and how does it work? Near field communication, is a short-ranged wireless communications standard that allows two devices to exchange data when in the proximity of each other. Yes, NFC is similar to Bluetooth technology if you will, allowing two devices to interact with each other. in order for NFC features to be available on smartphones and tablets, those mobile devices need to contain a NFC chip that would handle any NFC communications. Therefore, if your current Android handset or tablet does not have one such chip inside, it won’t be able to handle mobile payments and offer other NFC-based features.

NFC Vs Bluetooth 4.0

There are various wireless technologies that can be found on modern mobile devices, including cellular connectivity (3G, 4G), Wi-Fi, Bluetooth, and NFC. However, it’s just the last two thatwork exclusively in close proximity (from a few centimeters to a few meters), while the first two offer wireless connectivity over larger distances.NFC is better than Bluetooth when it comes to mobile payments and other activities, as it will use less power and it will instantly pair with the other NFC-ready device. Furthermore, NFC operates on a much lower frequency (13.56MHz) compared to Bluetooth (2.4-2.5GHz).Bluetooth on the other hand offers support for higher data transfer speeds.Bluetooth 4.0 is the latest standard version of this communications protocol and it’s also known as Bluetooth Low Energy, because it’s more battery-friendly.NFC works only in very close proximity, up to 20cm (7.87 inches) in theory, although its actual optimal operating distance is somewhere around 4cm (1.57 inches) or less.On the other hand, Bluetooth can pair devices up to 50 meters apart.

There is some useful Tips For use of NFC Must Watch Video... 

NFC Android Devices

In case you’re looking for a NFC-ready Android smartphone right now, should check out these various devices from top Android makers:
  • Samsung: Galaxy S3, Galaxy Note, Galaxy Ace 2, Galaxy S2, Galaxy Nexus, Nexus S/Nexus S 4G, Galaxy S Blaze 4G, Galaxy S Advance
  • HTC: Amaze 4G, EVO 4G LTE, One X
  • Sony: Xperia S, Xperia P
  • Huawei: Sonic
While these devices come with NFC on board in theory, you should make sure the device you choose actually has NFC on board, as NFC support varies depending on the region where the device is sold.

This shows that the use of NFC can be taken to a whole new level in the future, once enough NFC-ready devices will be available in the wild.
Furthermore, given the open nature of Android, you may find yourself customizing your NFC-enabled smartphone to perform a variety of custom actions in certain locations.
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