What does nfc sensing area mean?

NFC is a contactless identification and interconnection technology, a short-range wireless communication technology, and the nfc sensing area is an area that can trigger NFC communication. The proximity of sensing areas will result in establishing a connection or starting an application, allowing further operations. NFC technology enables short-range wireless communication between mobile devices, consumer electronics and other devices.

The operating environment of this tutorial: HarmonyOS 2 system, HONOR V30 mobile phone.

NFC (Near Field Communication) is short-range wireless communication technology. It is a non-contact identification and interconnection technology that can conduct short-range wireless communication between mobile devices, consumer electronics and other devices.

To put it simply: nfc is a short-distance communication function of mobile phones, and the nfc sensing area is an area that can trigger NFC communication. The proximity of sensing areas will result in establishing a connection or starting an application, allowing further operations.

The NFC sensor on the mobile phone is generally not available in low-end mobile phones. The sensor of mobile phones equipped with NFC function is usually on the back of the mobile phone close to the camera. On the surface, It is generally invisible because it is blocked by the mobile phone, but it does not affect the use of the sensor.

The sensor in contact with the mobile phone is also the sensing area that determines what functions to activate. Generally, there is an obvious NFC logo. Common scenarios include riding, payment, access control cards, and allowing the mobile phone to quickly launch applications, etc. .

Features of Huawei nfc

1. NFC mobile payment

When it comes to mobile payment, the first thing most of us think of is WeChat payment or Alipay. In fact, through the NFC function, we can also realize mobile payment. For example, Huawei Wallet realizes mobile payment through the NFC function.

Huawei mobile phones can read bank card data to bind bank cards through NFC. Then, when you need to pay, you only need to touch the mobile phone to swipe the card POS machine to complete the payment. Compared with WeChat and Alipay's scan code payment is much faster.

2. NFC bus card

When we go to work every day, most of us either take the bus or the subway. At this time, we all use the bus Card. However, it is a bit inconvenient to carry a physical bus card, and sometimes it is forgotten at home. The NFC bus card just solves this problem. After activating the NFC bus card on the mobile phone, we only need to tap the mobile phone with the card swiping machine of the bus or subway to complete the swiping of the card to board the bus.

3. NFC access card

Many communities and companies, in order to facilitate travel, have begun to use access cards. Only through the access card can you swipe the card to enter the community. and company doors. However, carrying an access card with you is easy to lose and inconvenient.

At this time, mobile phone NFC access control cards came into being. We can read the data of the access control card to the mobile phone through the NFC function of the mobile phone. Then, the mobile phone becomes a virtual access control card. We only You only need to touch your mobile phone to the card machine at the gate to open the gate, which is more convenient than a real access card.

4. NFC car key

This function is quite cool. You can unlock the vehicle and open the door through your mobile phone. At present, only some domestic BYD models support the mobile phone NFC car key function. We only need to put the mobile phone close to the part where the car signal receiver is located to successfully unlock the vehicle.

Moreover, the mobile phone can be operated without being connected to the Internet. The car can be unlocked regardless of whether the mobile phone has power or is turned off or on. In this way, car enthusiasts no longer need to carry a remote control or Key chain.

5. NFC one-touch transfer

One-touch transfer, as the name suggests, is file data transfer. This is also a major strength of the NFC function. NFC transmission The speed is much faster than traditional Bluetooth transmission.

This function is fully reflected in Huawei smart terminals. For example: two Huawei mobile phones turn on the NFC switch and only need to touch it to input files; the Huawei mobile phone only needs to touch the NFC of Huawei laptop area, you can quickly transfer files to your computer.

6. NFC one-touch connection

In the past, if we wanted to connect two smart devices, we basically did it through Bluetooth or WIFI. Connection, such as: connecting to smart Bluetooth speakers, connecting to smart routers to manage routers, etc.

If both smart devices and mobile phones support the NFC function, connecting them through NFC will become more convenient and faster. We only need to touch the smart device with our mobile phone to quickly connect them.

7. NFC electronic ID card

The NFC function of the mobile phone can also read the data of the ID card, quickly enter the identity information into the mobile phone, and turn it into an electronic ID card.

Although electronic ID cards are still in the trial stage, and are currently only in trial operation in some areas. For example, the electronic ID card of Huawei mobile phones can be used as an ID card in some hotels in Shenzhen, but this is also the future. A big trend.

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