What is the nfc function on mobile phones?

The NFC function on mobile phones refers to a short-distance high-frequency wireless communication technology that can realize back-to-back data transmission between electronic devices without turning on Bluetooth; mobile phones with NFC functions have many uses. For example: 1. Use it as a bus card; 2. Use it as a subway card; 3. Scan the QR code directly on WeChat and Alipay, etc.

The NFC function on the mobile phone is the abbreviation of Near Field Communication, which is a short-distance high-frequency wireless communication technology. , which can realize back-to-back data transmission between electronic devices (without turning on Bluetooth).

This technology allows two devices with NFC functions to exchange data under the conditions allowed by the protocol. For example, when we swipe a meal card or a bus card, the money in the card will be swiped directly. Yes, these are regular data exchanges under pre-agreed conditions.

NFC near field communication technology is evolved from the integration of contactless radio frequency identification (RFID) and interconnection technology. It combines the functions of inductive card readers, inductive cards and point-to-point on a single chip. Identification and data exchange with compatible devices over short distances.

The operating frequency is 13.56MHz. However, users who use this mobile payment solution must replace a specially made mobile phone. This technology is currently widely used in Japan and South Korea. Mobile phone users can travel across the country with their mobile phones equipped with payment functions: their mobile phones can be used as airport check-in verification, building access keys, transportation cards, credit cards, payment cards, and more.

So what is the use of the NFC function?

The first is that it can be used as a bus card or subway card. A mobile phone with NFC function can be bound to an electronic bus card if the local public transportation system allows it. You can just swipe the phone directly when you go out. It is convenient and quick, and saves you the trouble of carrying various cards.

The second is the mobile payment function. In life, we generally still use our mobile phones to directly scan WeChat and Alipay codes to pay. However, with the increasing rise of Cloud QuickPass, the use of mobile phones to make mobile payments through the NFC function will become more and more widespread. As long as your mobile phone supports With NFC function, after we bind the bank card, we can directly swipe the phone to buy and buy!

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