NFC is one of the current trends, which say a lot. What is it? How this technology is distributed and, importantly, to what extent it is used in Russia? Does it make sense to rush to buy the device that supports NFC, or wait?
What is NFC?
NFC – an acronym that stands for Near Field Communication, or “near field communication”. This technology provides a low-frequency wireless communication small range, and the adapter allows you to use it today is embedded in many smartphones, tablets, cameras and so on. Using NFC you can transfer data to a distance of 20 cm at a speed of up to 424 kbit/s.
Synchronization of devices happens automatically, no need of any further authorisation or in difficult settings. From the outside it looks like this: you put one device to another – and everything, profit! The operation produced! Conventionally, in order to allow the user to understand that the contact is established and the data transfer was successfully completed, apply the audio signals.
Where to use NFC?
This technology can be applied, first, to exchange data between different devices. Simply put there are two smartphone, touch tablet to the camera, equipped with a NFC chip to drain from one device to the other files – music, photos, documents, and anything else your heart desires.
Second, NFC can be used for shopping using a mobile phone which is using this technology easily turns into a virtual Bank card. Don’t want to pay cash — use Credit Card Reader NFC. This app was made to read public data on an NFC banking card compliant with EMV norm. Push the smartphone to a special device, and you will be automatically charged the cost of the trip in the transport or the Museum ticket, the price of a loaf of bread or any costume.
Thirdly, the NFC module allows you to turn your mobile device into an ID card, a secured key card, which can be used to lock the cell in the storage room.
Fourth, technology allows you to read NFC tag that carries useful information: menu in restaurant, transport timetables or sessions in the cinema, time of appointment etc. in the same label even allow users to verify the authenticity of the merchandise.
Why NFC and not Bluetooth or Wi-Fi?
At first, glance may seem reasonable the question, what new technology is better than the usual Wi-Fi or Bluetooth. However, in reality, it has many benefits.
NFC very quickly establishes a connection. It requires approximately 0.1 seconds, the Bluetooth to establish contact with another device, it will take about 6 seconds.
NFC operates at minimum radius, and it is from security is not a disadvantage but a real advantage: it is almost impossible to intercept and obtain sensitive information. All data is stored in an internal chip with a high degree of protection.
How to know whether your device is NFC?
Approximately 20% produced today, smartphones are equipped with NFC chips. How to understand whether your device is among them?
Some manufacturers (e.g. Sony) is proud to host the NFC logo directly on the device.
Others write about it…on the battery (so does, for example, Samsung).
But you can not look into the case and not to remove the cover in search of the inscriptions on the battery, it is sufficient to check availability of NFC adapter through the menu. The Android operating system since version Android 4.0 Ice Cream Sandwich, this technology is already supported.
- enter the menu and find the option “Wireless and networks”;
- at this point, click “More…”;
- then find the option of NFC, under which is the inscription “allow data exchange when combining the tablet with another device”.
At this point you need to tick and all, NFC works and can be used to communicate with other devices.
On sale today a lot of devices that support this technology. Here are a few examples.
- Nexus 5 D821 LG Google
- Nokia Lumia 930
- Sony Xperia Z2
- Samsung Galaxy S5 SM-G900F
- Philips Xenium W8555
- Sony HDR-CX330E
- Panasonic HC-V750
- Asus Nexus 7 (2013)
- Sony Xperia Z2 Tablet 16Gb LTE
- Dell Venue 11 Pro 64Gb 3G
- Sports bracelet Sony SmartBand SWR10
And this is not a complete list…
A range of excellent restaurants and fast food chain Subway allow you to pay using the device, equipped with an adapter NFC (though so far only in some regions).