Meaning of NFC and How to Use It

NFC has many functions, but in general, it provides short-range wireless communication technology.
To understand the functions of NFC, we should first understand what NFC is.
What is NFC?
That is, near field communication function. NFC is the abbreviation of near field communication, that is, short-range wireless communication technology. It is jointly developed by Philips and Sony. NFC is a non-contact identification and interconnection technology, which can carry out short-range wireless communication between mobile devices, consumer electronics, PCs and intelligent control tools.
In short, NFC provides a simple, touch based solution that allows consumers to simply and intuitively exchange information and access content and services.
NFC technology allows non-contact point-to-point data transmission between electronic devices. Within ten centimeters (3.9 inches), data is exchanged. The transmission speeds are 106kbit/ s, 212kbit/ s or 424kbit/ s.
What is the use of NFC?
After the above technical explanation, it is clear that NFC is a short-range wireless communication technology. What role does NFC play in our daily life.
First, mobile payment.
Now mobile payment has become the mainstream of payment. When you go to the vegetable market, you can hear the sound of payment codes from Alipay and wechat, one after another, which makes people feel the progress and convenience of science and technology.
Mobile payment is commonly used in supermarkets, shopping malls, restaurants, subways, buses, etc. When you need to check out, you can easily complete the transaction payment by swiping your mobile phone.
Second, access control.
Now many high-end residential areas and companies have access control installed, which is not only safe but also convenient for management. At the same time, it also derived the function of locking the car when driving, tickets, etc., and short-range communication. These functions can be verified as long as the verification is set on the mobile phone. When the lock needs to be unlocked, the mobile phone can be swiped to complete the verification.
Third, data transmission function.
For example, downloading music, transferring pictures, exchanging contacts, etc. We can also use NFC, but the transmission rate of NFC is still relatively low.

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