Full-featured nfc Tutorial Introduction to Full-featured nfc Tutorial

1, NFC file transfer: few users use NFC function to transfer files, which is not as fast as Bluetooth, which is faster than NFC in transfer speed. The theory is that the transmission speed of NFC is 424Kbps and Bluetooth1Mbps; In terms of transmission distance, NFC transmission distance is 0- 10cm, and Bluetooth transmission distance is 0-10 m. NFC transmission is more suitable for the transmission of some sensitive information or personal data, and Bluetooth is more suitable for long-distance file transmission. NFC has advantages in terms of security.

2. Operation method: Turn on NFC function-then turn on "AndroidBeam" function-two mobile phones can touch and display the operation method of transmitting files at the same time.

3.NFC bus card: With this function, a mobile phone can greatly save people's travel efficiency. At the same time, there will be free activities to open cards from time to time, which is one aspect. What if the balance is insufficient? The mobile phone supports recharging the bus card, which is very convenient and practical, but it should be noted that the NFC function must be turned on to brush the bus.

4. Operation method: You need to turn on the bus card function on your mobile phone to enjoy this function.

5.NFC access card: Access card is one of the ways of community security management. You have to swipe your access card when you go out and come in. It's a hassle to leave home, especially to visit relatives and friends, and the doorman doesn't know you. I wanted to give a friend a surprise, but it turned out to be a "surprise" for you. Then NFC supporting analog access card can be described as a passport, and the mobile phone must follow when going out. If you forget your mobile phone, there is really nothing you can do.

6.MiPay: it is the mobile payment function provided by Xiaomi wallet. The transaction can be paid by using Xiaomi mobile phone supporting NFC and POS machine with UnionPay "China UnionPay Express" logo. MiPay has supported 74 banks in China, including Bank of China and Industrial and Commercial Bank of China, and achieved full coverage of prime Bank, and it is still expanding. In addition to payment, MiPay is constantly expanding its usage scenarios.

7. Enter the physical card: open a meter wallet, select a meter key card, click Add in the lower right corner, then select the key card, then stick the key card in the sensing area according to the prompt, and then complete it according to the prompt. Support ordinary key cards and irregular key cards. In the interface of exchanging bus cards, there is a key card. At present, only unencrypted key cards with frequency of 13.56MHZ are supported in the market.

8. Custom blank card: The first supporting scenario for simulating the door card is custom blank card. After the user selects it, he can directly send the door card to the mobile phone. In this scenario, users need to log off the line (residential property, school or other offline scenes) after opening the card, and the staff can write data to open the door by swiping the card with their mobile phones. What users need to pay attention to is that the community owners need to provide relevant certificates to open access rights offline, otherwise the general property will not give you this right.