Chi є nfc module in xiaomi. "Yak tse pracyuє". New in smartphones, NFC technology is needed and how to use it

NFS - technology dartless sting small radius dії. The rest of the hour, mobile phones with NFC technology have become even more popular and in demand. Nearby communication, which allows you to secure identification, I will install radio communication on the nearest stations themselves.

NFC in mobile phone

Telephones with NFC support are equipped with the function allowing two outbuildings to exchange data, at the time of telephones on the station, one type of one is no more than 15 centimeters. The most widespread use of the technology was with the use of mobile devices, for contactless payments.

The essence of the victory is that at that moment, if the phone has the NFC function, which victoriously credit cards, Submit to the payment terminal, the device will be able to recognize the mobile device, and the information that will be sent to the phone will be read. When you return the information, read from the label of the machine, in a few seconds it appears on the screen of the mobile phone. You can use the phone as a payment card, for payment in the metro, or use the phone as an electronic key.

This technology is based on equipping a mobile phone with a special NFC module, which allows, at the same time, to bring the stylist to a special meter for a distance of 5 to 10 centimeters, to read information from it. The icon for the memory module and antenna is added. Written off a lot of penny koshtіv, scho to be on the rahunka of a koristuvach, and not a mobile operator.

The main advantages that enable telephony with NFC are:

  • high security of payment;
  • victoriousness;
  • the possibility of writing off penny koshtіv z whether it be some kind of rahunka, scho lie koristuvachevі;
  • the ability to exchange information between two phones.

In all directions mobile phone Successfully replace one or more plastic cards. And in the future, when exchanging information, it will be possible to transfer pennies from one phone to another.

Vibіr i pridbannya

If you need to make NFC payments, you need to bring a mobile phone with support for NFC technology. Models of such telephones are still not rich and everything, especially smartphones. Support NFC zdіysnyuyut operating systems:

The most popular android mobile extensions. You can find information about them on the Internet, and in order to choose and buy such an attachment, you need to see one of the sites assigned to such a sale.

Payment services type Apple Pay And Samsung Pay, which started its work on the territory of Russia all month ago, has already managed to change our lives for the better. Zavdyaks have stopped digging in gamants, trimming the black, and “shine” banknotes in front of everyone. So, at every time, it seems to you, who already managed to try all the advantages of contactless payment on your own. But what about the work of the team, to whom is this privilege unavailable?

Regardless of the apparently wide breadth of mobile services for conducting transactions, a lot of Russians (that and not only stink) cannot afford to be quick with them. The reason for this is simple and literally lies on the surface - the smartphone market is not limited only Apple Appliances and Samsung. Deyakі vvazhayut for better koristuvatisya let's not remember less, but even more accessible.

There are a lot of ways to turn your smartphone into a perfect blueprint. Let's start in order.

The first i, in my opinion, the best - Yandex.Money.



Few people know that the Yandex.Money add-on for supporting contactless payments, which means that the NFC module is less integrated into a smartphone. The koristuvach himself is to blame for the trouble of popovnennyam gamantsya with titular signs (read - a penny).

Another way is NFC SIM.



Such is the release of the MTS mobile operator from a spivpratsi with a one-name bank. Insert a functional card into your smartphone and pay for your purchases with an easy dot to the terminal. No one can guess what you cheated!

Obviously, it’s still impossible to call Apple Pay a complete replacement, transaction shards do not require encryption and do not require identification for fingers. In addition, you still happen to get an okremy rahunok in PJSC "MTS" or the bank "Russian Standard".

Vtіm, as you are already the card holder of one of the two banks, the problem arises by itself. You don't have to miss out on the nearest salon style tie otherwise, if you give it to the bank, you can take the SIM card described above absolutely free of charge.

The third way is NFC antenna.



Antenna looks alive less fearfully

To everyone whose smartphone is not in their arsenal of the "near field" module, the way to "contactless" will be easier. We can either replace the attachments with a new one, which is irrational, or own an NFC antenna independently. Vsuperech razkhozhіy dumtsі, zrobiti tse where simpler, lower represent.

For which it is necessary to add an NFC-antenna, as is sold in the salons of a stylistic connection, and, having glued it to the surface of the SIM-card, put it under the cover of your smartphone. A small remark: the operation is not possible for the owners of the annexes with an invisible rear panel and a side slot for SIM-cards.

NFC bracelets.



Some banks, including Alfa-Bank, are engaged in the issuance of bracelets that are simple at first glance, as if they carry an NFC-chip in their design, to match your special robe. We follow exactly the same principle as plastic cards with PayPass or PayWave technology.

Check with the representatives of the bank about the availability in their range of suitable accessories and, having removed the example, remove the chip from the dress bracelet and simply put it in the case of your smartphone or tablet. In this way, you will not only be reminded of the need for a mother with her own mother, but also worry about the autonomy of the main gadget.

The cost of an NFC-bracelet in a bank can vary from 500 to 1000 rubles. In the same bag you will need a choker with a small intestine on the back.

How to turn your smartphone into an NFC gaman? Ivan Kuznetsov

You can't help but remember that different services are expanding this year, and it's possible to pay for an additional mobile annex. So, in our country, we have recently launched a system. To speed up with її advances, a device is needed NFC on board. But not everyone will buy their own expensive smartphone just to use the services of the Android Pay service. For such people, a selection has been prepared, which consists of five available telephones, in the arsenal of which there is an NFC module.

1. Huawei Nova
This compact device looks stylish with a sultry look zavdyaki podednannyu sklad i alyumіnіyu. Crimea NFC functions, The model promotes a good processor of the middle class Snapdragon 625 Octa-Core with a frequency of 2 GHz, a clear IPS Full HD display, as well as 3 GB of "RAM" in connection with 32 GB of storage. I am glad that the new generation of USB Type-C is available. The smart phone is even thinner, the thickness does not exceed 7.1 mm, with which the battery can not be too tight 3020 mAh.



2. samsung galaxy A5 2017
The niche of an outbuilding of the middle level has recently become a strong representative of the Samsung brand. Fresh can in your arsenal everything that the koristuvach needs today. A smartphone, regardless of its availability, is very comfortable for everyone. Here there is a solid 16 MP camera, a SuperAMOLED screen in FHD format with a size of 5.2 inches, as well as a solid metal construction with a rear back. Perevagou apparatus є zahist vіd vologi (IP68). Є pіdtrimka not only the system of mobile payments Android Pay, but Samsung Pay. The software plan is based on Android 6.0, and the hardware plan is based on the 8-core Exynos 7880 chip with the Mali-T830 MP3 graphics core. Chi did not mess up the retailers and memories, the device is equipped with 32 GB of ROM and 3 GB of RAM.



3. Wileyfox Swift 2X
The Danish smartphone in today's list is the one that was found, but it doesn't look like a fault. If you look at it, you can see that the model is given - it's a perfect solution for those who appreciate Android in a classic way. The device, crim of the NFC module, is equipped with a processor Snapdragon 430, 5.2" Full HD display with IPS matrix, 3010 mAh battery, Quick Charge 3.0, which gives quick charging, 3 GB RAM and 32 GB. Serious stuffing for an inexpensive add-on, wait a minute. Another option is a 16-megapixel camera and Cyanogen OS, based on Android 6.0.



4. Xiaomi Mi5s
According to the balance of price and equipment of the model, there are no equal averages of all smartphones presented in our selection. At the top of this device, it’s not an abyssal processor, but a top one Snapdragon 821, Because of productivity, everything is fine here. The metal body, the tight 12-megapixel photomodule with a double sleeper, the large amount of RAM and ROM, as well as the compact 5.15-inch IPS-screen can not deprive anyone, looking at the price of the Chinese device. Acceptance bonus - the presence of NFC. Koristuvacha zustrіchaє friendly shell MIUI 8, as it is primed on Android 6.0. Xiaomi Mi5s is hungry for a battery with a resource of 3200 mAh. Yogo can be charged quickly with Quick Charge 3.0 technology.



5.Lenovo P2
On the edge of this gadget, the Lenovo company has recently made a hit, thanks to its good technical warehouse and miracle autonomy. So, the presence of an NFC sensor is a receiving moment, but it is far from being found in the Lenovo P2 smartphone. First, the model is equipped with a 5.5-inch Full HD SuperAMOLED panel and a 5100 mAh battery. In a different way, the purchase will include a metal case, a chipset Snapdragon 625, Chimala memory i. Definitely one of the most attractive solutions at the moment.

Today, "NFC" (Near field communication - near field communications) is increasingly being used in the specifications of modern smartphones and tablets. In this article, we will try to look at the interface from the point of view of practical use, so that readers can independently create visnovok about the need for this visibility in their phone.

We tested two models of smartphones, which were already examined in detail on our resource: Acer CloudMobile S500 and Sony Xperia acro S. base android. The operating system itself is the most “friendly” today, if there are NFC robots on the right.

Entry

At first glance, it can be seen that the number of drone-free interfaces today already cover all possible popular tasks and scenarios, so one more option is simply not needed. However, if you marvel at the development of modern technologies, you can remember that more and more respect is given to energy supply, especially that mobile outbuildings. The latest version 4.0 of the known family of Bluetooth protocols is also designed to reduce battery consumption. Another point, a kind of varto guess, lies in the fact that not for the skin task, a great working distance is needed. Buvaє navit navpaki - you want to clearly surround yourself with outbuildings. The cream of an obvious decrease in posture, which also adds up to safety. That one about the obligations of the transferred data can also be raised in a similar respect. So, the idea of ​​a non-wired, non-rotor interface, which works on small spaces and is affected by low energy levels, may be right for use.

The year 2004 can be taken as a starting point in the history of NFC development, if Nokia, Philips and Sony voted on the development of the NFC forum with a method of development and standardization of the interfacing interface other outbuildings, Based on the fact that it costs. In the meantime, the first versions of the specifications were created three times earlier. Perhaps, behind the modern worlds, technology can be introduced even more young (so not to protect the history of RFID), the technology is often used in real products and services. Zakrema, at last in the end of the fierce Mobile World Congress 2013, these topics were dedicated to a lot of stands and demonstrations.

Such a sign can be seen on attachments with NFC technology

Formal characteristics of the attack interface: the robot is within a few centimeters, the maximum speed of data exchange is close to 400 Kb/s, full-duplex data exchange is supported, the operating frequency is 13.56 MHz, the clock is not overridden, the mode is 0, the mode is 0 dot. It can be seen that these parameters radically innovate NFC in other popular wireless interfaces.

If we talk about attachments, then the cream of active controllers in NFC has passive options (stinks are called tags), as if eating is done in a non-drug way as an active controller. One of the applications is modern cards for travel on the city transport. The tags are just a collection of data, they can’t call any more than 4 KB. Mostly for them, only the reading mode is provided, but there are also options for supporting the recording.


One of the simplest options for a passive NFC tag

The compact size of the controller and its low speed allow NFC to be implemented in such small designs as SIM-cards or microSD memory cards. However, for a full-fledged operation, it is necessary to use a special antenna. On phones, it may sound on the back of the battery cover, or it is inserted into the back panel, so the device does not transfer a large battery.


The NFC antenna is often placed on the back of the smartphone

A small radius of action can be negatively signified when using tablets - it is not so easy to know the need for "application" as you would like. For the solution of the problem, the deuce virobniki indicate the misuse of the antenna special sign. As far as the distance is concerned, then in our mode the call was not more than a couple of centimeters in the distance - like between telephones, and with a passive mitkoy.

From the point of view of security, the retailers did not implement the element of protection against overkill and relay attacks. It greatly complicates the implementation of safe solutions high equal. It is significant that such a protocol, like TCP / IP, is carried out in a similar way. So, from a practical point of view, more unsafe is the waste of a phone without an addendum zahistu with the established programs of payment systems, lower communication overkill.

Perhaps, most importantly, what is needed today to know about NFC, tse those that by themselves do not give any real practical scenarios for the interface or solution. On the front, for example, on Bluetooth, the profiles of which are clearly described, how to transfer a file, how to connect a headset, or secure access, NFC is only a base, and non-intermediate scripts and robots are protected by additional software security, Yake pratsyuє through new. On the one hand, it opens wide opportunities for retailers, and on the other hand, it is a problem for them in the safe interplay of various add-ons and outbuildings.

Tsіkavo, whether it be installed on a smartphone or a tablet, the programs can be registered in operating system as a way to find the way, connected with NFC, and even with the usual “whistle call” you will be able to use the standard menu “Which do you want to create this day?”. Oskіlki deyakі scenarios vikoristannya NFC uvazі zruchnu avtomatіyu dіy, bazhany not outweigh the attachments with such utilities.

Форум NFC намагається допомогти з цією невизначеністю, пропонуючи стандартизувати протоколи для певних сценаріїв (зокрема NDEF для зберігання коротких повідомлень на мітках і SNEP (Simple NDEF Exchange Protocol) для обміну інформацією між пристроями), проте практичне визначення сумісності конкретних пристроїв зазвичай утруднено відсутністю детальної інформації від phylum and methods of diagnostics. Another helper here is Google, as it propagated in other versions android vlasnu rozrobku Android Beam. It allows you to exchange various types of information between summaries.

Android Beam

For the cob it is necessary to reconsider, so that it is possible to add NFC, active Android Beam, and their screens are unlocked. On the quiet models we tested, NFC only works in that case, as the screen turns on and the attachments are completely unlocked. But it is possible, in other devices there will be a twist and a different algorithm. In any case, the active interface will work for robots with a small amount of battery power, and while the descriptions of the pidhid look quite reasonable. One of the options for simplifying the work is to turn on the blocking screen. In this case, for the recognition of the label, you will simply turn on the smartphone. For other ineptitude, it is necessary to confirm the operation with a dot on the screen after you know one of the other. Don’t just start a ring without breaking the link, it’s more if the insults are found on a vase in the hands of two different people.

Coming soon, you need to select one of the add-ons on the device, for which the transfer is planned. Zokrema tse can buti:

  • Google Chrome - transmission of streaming messages;
  • YouTube client - Strengthening the videoclip (at the sight of the strength);
  • Google Maps - transfer of the location to the route;
  • Contacts - send a card to a contact;
  • Google Play- transfer of supplements;
  • Gallery - transfer of photographs.

Next, I’ll build one to one. When a partner is detected, you will feel a signal on the right-hand side, and the image on the working table will change. At this moment, the screen image will need to stick and hold your finger until you feel another signal - about a successful transmission.


We tried the options listed in the list, and practically all the stinks work effectively. Navit those that our outbuildings were let out different virobniks, It didn’t bother him to know the language of the language. Ale kіlka komentarіv still varto zrobiti. There are no problems with the routes in Google Maps, and the option with the moon is not too difficult, because only the current image of the map is transmitted. The dot is marked on the screen of the exit phone, it doesn’t take until the end. The situation is corrected by using the "Addresses" program, as it transmits the data correctly. When submitting contacts, a photo is used, but from a technical point of view, the format of transferring vcf text files is used. If we talk about add-ons, then you can not only install them on phones, but also just open cards in Google Play. Books and other content from the store are similarly promoted. Naturally, the language is about the transfer of messages, and not the interests themselves, because we have more purchased items. There was a problem with the editing of the photos: the Sony device appeared to be a recent work with this type of data. Officially, the formula sounds like “The power of the owner does not support the transmission of great data communications through Android Beam.” The axis to you is the first sign of youthfulness of the interface, or the lack of detail of the technical specifications of the outbuildings. Formally, we can use two devices - NFC, and Android Beam, but in practice, their real capabilities are completely different, and it is possible to know about it only as a result of the re-verification. What can we say about the smaller names of the workers - their variant of the implementation of this technology can be considered untransferable.

Before speech, what is worth the most robotic Android Beam. In the description of the technology, it is indicated that for data transfer, a Bluetooth connection is established after the first NFC connection is established. Looking back at all those who practiced the formats, they allowed a modest amount of data to be transferred, for them the NFC speed was sufficient, and the axis for photos was clearly not enough. So you can admit that Sony has not yet implemented a switch to a larger swedish interface. Understand that this is a software problem (guess that Android 4.0.4 is installed on the device) or hardware, it does not seem possible.

We also tried to correct the music and videos in a similar way with the help of additional supplements, but nothing was announced on the receiver.

Reading and writing tags

Descriptions of Android Beam have the ability to transmit and short informational notifications. However, in reality, they can not only be transmitted over the phone, but can also be read from passive marks. The technology of the singing sensation is similar to QR-codes, which are read by the camera on the phone. With whom basic information(For example, sending to the side of the site) takes literally a few dozen bytes. Marks can be won by companies, for example, for the promotion of their goods or services. Looking at the compact size of a passive mark (more precisely, I’ll break the paper tovshchina with the archway - through the antennas of the square it will still be significant, no less than a five-ruble coin), it can be placed practically in any place: on a box with goods, in a magazine, at the information station and other places.


Passive NFC tags can be prepared with visible key fobs

Well, if you talk about the hand-made preparation of mitok, then it’s the whole scenario. For which it is necessary to bring clean blanks and use special programs for the phone to write down the necessary information on them. For the butt, we bought a bunch of different options: a sticker of the minimum tovshchina, thefts, a mug made of plastic and key chains. All stinks are small enough for a small amount of memory - a total of 144 bytes (on the market there are options for 4 KB). The number of cycles for overwriting was not specified, but for most scenarios, the parameter is not critical. For work with tags, we can recommend the NXP Semiconductors programs - TagInfo and TagWriter.

The first is to allow you to enter the data from the marks and decipher the information according to the NDEF standard, and the other to help you create the power marks. In which case, a number of NDEF sub-variants are supported: contact, message, text, SMS, email notifications, telephone number, Calling via Bluetooth, geographic expansion, sending to a local file, launching a program, URI. To give respect, that when making a record, it is necessary to secure the savings of data. For example, a photo of a contact can take up a kilobyte, a reminder, or a text can easily take 144 bytes. Speaking of which, the NFC TagInfo program from the NFC Research Lab with a special plug-in can read and show you a color photo from a biometric passport. When you obsyazі data in the second ten kilobytes of їх reading via NFC takes about 20 seconds. Dodatkovy rіven zahistu in this case, it is necessary to provide the necessary details of the passport for reading data from the chip.

It is significant that the automatic processing of the cured tags to fall into the content. Zocrema, and sometimes you need additional confirmation for building your own business. For example, in the time of SMS, the confirmation form is completed, but in the end, the coristuvach is responsible for the correction. And the axis is recorded by the web-sending, it can be immediately opened in the browser. Whether or not automation is due to third-party control, so that the descriptions of the ability to zastosovuvat carefully, shards with a simple change or reprogramming of the tags of the intruders can redirect you to a substitute site for the original one. We didn’t reveal any regular OS upgrades for a similar autorun (as it’s not possible to enable NFC itself).

Another important moment in the case of victorious records in public places is the defense against overwriting. When recording a mark, you can put a flag on the defender, which will block everything, try to change the information, but it will be impossible to remove it. So the label will be victorious in the future in the “only for reading” mode. For home zastosuvannya tse in most vipadkіv is not critical.

Let's make some more programs for recording tags:

Variety of ready-made labels for the management of the annex

One of the active participants in the NFC promotion process is Sony. Pre-installed in її devices Smart program Connect, which supports the work with original Sony tags. If you use the SmartTag Maker utilities, you can create them yourself from clean blanks. For the robotic system, the NDEF URI format is used to encode the number / color of the tag in the text message. In total, the system transmits up to eight tags, which are recognized as “budinok”, “office”, “car”, “bedroom”, “hearing”, “play”, “activity”, “marve”.


Variant of original Sony SmartTags

The Smart Connect program itself works not only with NFC tags, but with other devices connected to the phone, including headsets, a life block, add Bluetooth. To finish it manually, that the staffing is already wrong, according to the appointed scenarios. If so, you can reprogram all schemes; in the skin of them, it is indicated to recruit from the mind and diy.

As a mind, you can win the recognition of the mark or connect it with an attachment, you can additionally surround the hour of the robotic scheme. Dial wide, include launching the program, opening the call to the browser, launching music, adjusting the volume and mode, connecting the Bluetooth audio device, editing SMS, dialing, managing wireless interfaces, adjusting the clarity and other features. Moreover, they can also be recognized for a break from this mode, which is due for re-identification of the mark, for a new sign / mark, or after the end of the designated time interval.

But it’s true that it’s not obov'yazkovo vykoristovuvaty Sony branded tags - you can know the zastosuvannya and prepare tags that do not allow overwriting of information. For example, you can use transport cards. On the right, in that the skin of them can have a unique unique identifier, which can be tied to songs special programs. As a possible reaction, such operations can be performed, such as changing the profile, enabling / mimicing interfaces and impersonal others.

The Play Store has a few utilities for this scenario, let's guess a couple of them:

Let's guess, it's not safe to install a copy of similar programs. There will be no transparency in such a regime, shards, when the marks are displayed on the phone screen, will be blamed for the dialogue window with the choice of the program for processing.

For an hour I’ll look for programs for robots with tags, and they’ve also tried one more class of utilities, which can be used in different ways to record tags. These programs are based on the original original format of the recordings, you can only work with them yourself. In case of a set of possible diy mayzhe, they are not considered in the descriptions above:

Guess what in present moment Reading marks are only available when the device is unlocked. So the scenario “come home, put the phone on the bedside table - automatically switching the profile, turning on the call and Bluetooth, setting the alarm clock” vimagatime vіd koristuvacha deyakіh diy. Such a behavior is still a trifle between the possibilities of programs.

Exchange of information between outbuildings

For the sake of Android Beam, more scenarios are described to allow the robot to work with one phone with a label or a special terminal. Well, if you talk about a direct connection of devices between yourself, then the main food here is confusion. Obviously, in the time of the products of one virobnik, especially the great one, it is possible to simply install a different program into the firmware. Ale, even though the equipment was released by different virobniks, it will be possible for everyone to win the same utilities. I know it's not a fact that your partner will have the same program installed as yours.

Looking back at the fact that the power of NFC is too small, for a quick file transfer, use Bluetooth or Wi-Fi, and NFC works only at the stage of connecting and setting up a call. To check this scenario, we tried on our outbuildings some programs for transferring files from the declared NFC support.

send! File Transfer (NFC) to no-cost version allows you to exchange files of photos, music and videos. To set up a call, you can use NFC or a QR code. Transmission is possible via Bluetooth or Wi-Fi Sony phones did not appear). At the bag, we were able to get the speed at a rate of 65 KB / s, which, obviously, is not enough for photographs.

Blue NFC, as the name suggests, also simplifies the exchange of files via Bluetooth, replacing the steps of switching on, asking and receiving on the dot with the exchange of information with NFC. The speed of the robot is not too great - on a equal footing, the program is more.

File Expert HD also uses Bluetooth, but the speed is 100-200 KB / s. True, for the sake of justice, remember that in this program there are a lot of other modes for exchanging files.

visnovok

With a camp for the spring of 2013, you can say to rock that NFC technology already occupies space in today's top and middle class smartphones. By the way, the interest in it can be estimated for the number of programs in the Play Store: there are only hundreds of cost-free projects alone. Looking back at the dominance in the market (especially for the number of models) of the Android platform, the most popular one today for NFC devices. In iOS, staffing for NFC is not transferred, and Windows Phone 8 can be completely exchanged for the ability to work with NFC for third-party add-ons.

By itself, NFC technology has a few features that allow it to take a unique position:

  • contactless data transfer;
  • only work on small roads;
  • the possibility of exchanging information with other outbuildings or passive marks;
  • low variability of solution;
  • low energy saving;
  • low speed data transmission.

At the moment, for smartphones and tablets, you can choose three of the most relevant options for using NFC: data exchange between devices (contacts, add-ons, messages, photos and other files), peripheral buildings(For example, headsets). For the first time, you can try practicing with the standard Android program Beam or install alternative options. The stench can be corny if you need a high exchange rate (via Wi-Fi), but it can still be obvious however, the new program on the skin attachment.

Passive labels can be practically creased - from posters to magazines and tags on goods. They can record information about the product, sent to the site, wifi settings, Contact details, geographic coordinates or other small information. The expansion of such a method of exchange of information without intermediary lies in the number of summist buildings at koristuvachivs. This scenario can be compared with wider QR codes, as it is today, perhaps, it is still simpler from the point of view of implementation and more popular.

For change systemic improvements it is possible to win with some programs to create tags without the ability to record, so you can try such a script in the right way in a rich way. True, it is necessary to indicate that in such a situation there will be options for recording in specific outbuilding, If yoga is transferred to another device, there may be some foldability. Most of the utilities of such a recognition, nevertheless, enable the recording of the records, which allows them to save all the necessary information in the encoded view without intermediary in the mitz (or in the dark), so for the sake of remembering these records on the same program to the mother.

We did not consider in this article such scenarios as NFC, such as payment systems, electronic payments and micropayments, receipts and coupons, transport cards and passes. Qi those, especially persha, merit for the eye of the eye. We will try to turn to them with the obvious reader's interest and broader similar solutions.

NFC in telephony is the technology of high-density wireless communication with a small radius, which allows you to exchange information between two gadgets without contact. NFC is grounded on RFID, which is based on radio frequency recognition, which is the method of mechanical installation of an object.

What is "NFC"?

NFC is the same technology without contact, while reading and managing data from devices on small roads. The abbreviation stands for "Near Fild Communication". Based on the principle of exchange of radio signals, identical to bluetooth, but also the difference. Bluetooth transmits data on great distances, hundreds of meters away, and NFC requires no more than 10 centimeters. This technology was expanded, as an extension for contactless cards, but it quickly became popular, and retailers knew it was stuck in other outbuildings.

Three ways of using technology in stylnikovs have been disaggregated:

  • reading mode;
  • emulation, if attached, as a payment card or a pass;
  • P2P mode, if there is an exchange of information between phones.

Chip is saved in style, and zastosovuetsya as a payment, you can reserve tickets, pay for car parking or travel in the subway, secure a clear admission. The beginning of technological processes of payments without contact, MasterCard PayPass and Visa PayWave cards with integrated antennas appeared, the role of NFC was canceled, and programs for android smartphones were expanded.

What is NFC in smartphones - with close contact, a pair of devices communicate for additional induction of a magnetic field, if the frame antennas are in close contact, they form lighting. Under NFC, the frequency seen in the spectrum is 13.56 megahertz, and the speed of transmission of information is up to 400 kilobits per second. Attachment works in two modes:

  1. active. Obidva gadgets are secured with a lifetime and transmit information via a call.
  2. passive. Vykoristovuetsya tuzhnіst field of one of the priladіv.

Which phones have NFC?

NFC in the phone gives a chance to pay for purchases with a dotik mobile phone to the terminal, it's your own bank card in a style. More than 6 years ago, there were not enough devices that support NFC, and at the same time, tablets, yearbooks and other accessories were equipped with chips. How telephones can make their attachments:

  • Apple - all models of iPhones;
  • Sony - Xperia S, L, Z series;
  • Samsung-series Galaxy S;
  • Motorola;
  • Nokia Lumia.


How do I know which NFC phone is supporting?

How to convert NFC, what is in the phone? Є kіlka ways:

  1. Remove the back cover of the smartphone and look at the battery, it says "NFC" on it.
  2. In the settings, know the tab " Bezdrotovі merezhi”, Click on “Shche”, as a technology, a row with the name of the technology will appear.
  3. Swipe your hand across the screen, pop up the curtain to wake up, de bude such an option is registered.

I don't have NFC, what's the robustness?

NFC in phones - what are the modules? See the following main views:

  • sim cards;
  • outbuildings;
  • microcircuits;
  • NFC modules;
  • stickers.

The NFC-module can be bought at once with telephones, but stinks - for sale and okremo. The stickers are attached to the body of the stiletto, the stench can be of two types:

  1. Active. Secure calls via the Wi-Fi / Bluetooth channel, but save a lot of energy, which requires frequent recharging.
  2. Passive. Do not exchange information with the phone and do not record it in the attachment through the mobile phone's communication channels.


How to install an NFC chip in a phone?

Even though there is nothing in the annex, the NFC module for the phone can be attached and installed. There are two options to choose from:

  1. An NFC-sim card, which is sold at a time by a lot of mobile operators.
  2. NFC antenna. There is no near field, no short distance. At the salons, the link is attached to the tezh є, їх are glued to the sim card, under the cover of the mobile phone. But there is one minus: because the back cover does not work, otherwise the opening for the SIM card is better, install such an antenna not visible

How to enable NFC?

Attached to NFC in the meantime, but not only gamans, cheap and reduced coupons, especially tags help to read data about goods in stores, about objects in museums and galleries. How does it turn on?

  1. In the nalashtuvannyah, select “Bezdrotovі merezhі”, then - “Sche”.
  2. You need to write to show up, put the “Activate” sign.

How to transfer an NFC chip in a smartphone, you need to activate Android Beam:

  1. In the patches, press the "Dodatkovo" tab.

Click on the NFC switch, the android function will be activated automatically. Whatever happens, you need to click on the "Android Beam" tab and select "enable".

  1. In order to exchange data without problems, it is necessary to switch over, to connect phones and support NFC and Android Beam, for the first time you need to activate them. Dali scheme diy is like this:
  2. Select a file to transfer.
  3. Push one to one rear covers telephones.
  4. Trim it until the sound signal, which confirms that the exchange is over.

Regardless of the type of file, NFC technology transfers the following information transfer algorithm:

  1. Trimati devaysi only with a back side one to the other.
  2. Dochekatisya, until the stink know one another.
  3. Confirm request for data transfer.
  4. Please let me know that the process is over.


NFC capability

The NFC function in gadgets gives a great advantage:

  • mobile phones - and data transferred;
  • great range of zastosuvannya;
  • technology conforming to industrial standards;
  • low productivity of transmission and radius of transmission guarantee the safety of transmission.

NFC in telephones or other devices is quite handy, what do you need to know for the correct installation of which I will add?

  1. Bluetooth accessories also support NFC, one of the applications is the Nokia Play 360 speaker.
  2. To turn your mobile phone into a virtual hammock, you need to install and adjust addendum google Wallet.
  3. NFC tags are allowed to be programmed through add-ons, stinks can activate the navigator, put the stylist in silent mode and set the alarm.
  4. For the help of NFC, it is easy to transfer a payment to a spymaster, add it to your friends, and take the fate of a large number of koristuvachivs.
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