What exactly is the NFC function of a mobile phone for?

It's so useful, and now NFC is still expanding. It can be used as a bus, metro card. Recharge your bus and metro card directly.

When the access control card of the gate is used, there are many unsafe accidents in this society, so it is very important to safety, and many companies or communities will use the access control card to ensure safety. Reading the information of the bank card directly, such as the consumption discipline of our bank card, which we usually need to check our bank card. Bluetooth speaker that is easy to connect to NFC.

File transfers.

NFC is actually called Near Field Communication. It is a function that can directly exchange information, whether it is data transmission or turning on Bluetooth wifi, as long as it involves information exchange between mobile devices, this function can be used. For a simple example, the mobile phone mobile payment we use in our daily life is still a transfer between two mobile devices with friends.

By placing a NFC-enabled mobile phone close to the corresponding electronic device, information can be easily exchanged.

Mobile NFC is a great feature, especially for people like us in big cities. This kind of function is actually more oriented to big cities. You can use NFC to take the bus, take the subway, it can be regarded as very, very convenient in life, you only need to bring a mobile phone when you go out.

It's not that you have to bring any bus cards, subway cards, bank cards, these cards and mobile phones can all be solved for you.

The NFC function of the mobile phone is a very useful and convenient feature. This feature can help us use our mobile phone to swipe the card directly when we usually take the bus. After shopping at the supermarket, you just need to swipe your mobile phone, you don't need to take your membership card, and you don't have to worry about losing your plastic card.

The NFC function of the mobile phone is very important to our current social life, and the NFC function of the mobile phone, most of the people used by ordinary people are contact through and contact payment. Most of these functions are used when swiping the bus card and paying for the subway, which greatly provides a convenient way for us to travel. It can be said that it has indirectly contributed to our cashless life and played a huge role in social development.

NFC, the main function, well, through contact such as access control, tickets and tickets, or access control password devices into the card reader, also used for logistics management, or contact payment, can also be carried out TV remote control of the transmission signal, media, multi** remote control, media.

The mobile NFC can support mobile phone UnionPay, you can bind your UnionPay card to your mobile phone, and then you can combine the UnionPay card with your mobile phone, in fact, the mobile phone becomes your UnionPay card. There is also a transportation card that can also be bound to the mobile phone, and you can also directly swipe the mobile phone when you go out.

The NFC function on the mobile phone, that is, near-field transmission, is a short-distance high-frequency wireless communication technology, which can realize back-to-back data transmission between electronic devices, and can also be used as a contactless smart card, a reader terminal for smart cards, and device-to-device data transmission.

What is the NFC function of a mobile phone used for? Take a look at these three functions, netizens: no pity.

What is the use of the NFC function of the mobile phone?

I use him all the time to top up my bus card.

1. It can be used as a bus subway card. After having a mobile phone with NFC function, you can directly turn on the function of the local subway and bus on your mobile phone, so that you can use the NFC of the mobile phone to swipe it, and you don't need to remember to bring the bus card when you go out, and the mobile phone can also meet our needs.

2. Recharge the bus metro card directly. After having NFC, you can directly fit the back of the subway bus card and the mobile phone together, so that you can use the Alipay software and WeChat payment that are usually used for consumption in the mobile phone, and directly recharge the bus and subway card, anytime, anywhere, and without queuing, saving a lot of trouble.

3. When the access card of the gate is used. You only need to click on the virtual in the door key in the mobile phone, and then put the access card on the back of the mobile phone to read, and after entering the relevant information, we can directly act as the access control card through the NFC of the mobile phone, and no longer worry about the embarrassing situation that your access control card forgets to carry.

4. Connect the Bluetooth speaker to NFC. Now there are many Bluetooth speakers on the market that are also equipped with NFC function, when we connect, we only need to use a mobile phone that supports NFC function to touch it, and you can turn on the Bluetooth speaker, which is much more convenient than we need to set up Bluetooth pairing connection before, especially easy to use.

Simulate a contactless card, such as an access card, bank card, etc. The card simulation mode is mainly used in contactless mobile payment applications such as shopping malls and transportation, where users only need to hold their mobile phone close to the card reader and enter the password to confirm the transaction or receive the transaction directly. In this way, the card is powered by the RF domain of the contactless reader, which can work even if the NFC device is out of power.

In this application mode, the NFC reading device collects data from the NFC mobile phone with TAG capability, and then transmits the data to the application processing system for processing, and typical applications based on this mode include local payment, access control, electronic ticket application, etc.

The use of NFC function, taking Xiaomi mobile phones as an example, the specific steps are as follows:

1. On the main page of the phone, find the icon of "Settings" and click to enter.

<>3. Among the listed functions is the NFC module, which opens the NFC of the mobile phone and displays the ability to exchange data when the mobile phone is in contact with other devices. Some of the options at the bottom also change from gray to black when opened.

4. When NFC is used in the wallet, you can choose the default wallet, for example, you can set this option when you use the payment.

5. Touch Payment. Select those apps that can pay using this method.

6. Turn on the Android bean, which can be turned on or not. Used to share content between two devices.

What is the NFC function of a mobile phone used for? How does it work?

What is the NFC function of a mobile phone used for? How does it work? Dear, hello, 1 first of all, NFC working mode has card mode, peer-to-peer mode and card reader mode.

NFC and Bluetooth are both short-range communication technologies, and both are integrated into mobile**. What is Mobile NFC? How does it work?

2 Then NFC slightly outperforms Bluetooth in that the setup procedure is shorter, but it can't reach the low power of Blutooth. The maximum data transfer capacity for NFC is 424 kbits, which is much smaller than Bluetooth (Mbits). Although NFC is not as fast as Bluetooth in terms of transmission speed and distance, NFC technology does not require a power supply, and it is more convenient to use NFC for mobile** or mobile consumer electronics.

What is Mobile NFC? How does it work? 3. Next, NFC is also superior to infrared and Bluetooth transmission methods.

As a consumer-facing transaction mechanism, NFC is faster, more reliable, and much simpler than IR, eliminating the need for strict alignment to transmit data like IR. Compared to Bluetooth, NFC is oriented towards proximity transactions and is suitable for exchanging important data such as financial information or sensitive personal information; Bluetooth can make up for the shortcomings of NFC communication distance and is suitable for long-distance data communication. 4 Then NFC is compatible with existing contactless smart card technology.

NFC is also a proximity connectivity protocol that provides easy, secure, fast, and automated communication between devices. Compared to other means of connectivity in the wireless world, NFC is a means of private communication in close proximity. What is Mobile NFC?

How does it work? 5Finally, NFC devices can be used as contactless smart cards, reader terminals for smart cards, and device-to-device data transmission links, and their applications can be mainly divided into the following four basic types: for payment and ticket purchase, for electronic tickets, for smart **, and for exchanging and transmitting data.

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What is the NFC function of a mobile phone used for? How does it work?

Hello, your question has been seen, please wait a moment, it is in progress, and you will be answered immediately.

What is the function of NFC.

1. The NFC function in the mobile phone can be used to read credit cards, access control cards, bus cards, etc., so as to realize a mobile phone in the real sense of the world. 2. NFC function, also known as "near-field communication technology", will be equipped with NFC function of mobile phones to achieve wireless data exchange of other smart devices. The function of replacing some cards can be said to be a great achievement of mobile payment.