Analysis on the application principle of NFC technology in payment and social sharing

With the 5G mobile phones gradually enter the public’s field of vision, NFC-enabled mobile phones have become the standard configuration of fashionable smart phones. As mobile phones develop faster and faster, the uplink and downlink data rates supported by wireless networks are continuously increasing, and new applications In particular, applications for data services continue to emerge, and mobile phones have become indispensable mobile information terminals around people in their daily lives. More and more people are beginning to use mobile phones to replace watches, notepads, MP3s, etc. The emergence of NFC tags and NFC mobile phones makes this idea gradually come true. NFC payment, NFC social sharing, NFC access card and other functions enable us Your life is faster and more convenient. Do you know NFC technology? What amazing application experience do you expect NFC technology to bring us? Let’s take a closer look with NFC tag manufacturers using Core IoT:


 
NFC, which combines the functions of contactless card reader, contactless card and Peer-to-Peer on a single chip,
NFC technology has been widely promoted and used in various cities in China, especially after the three major operators have vigorously promoted it. It has played an important role in enterprise access control systems, urban public transportation systems and various micropayments. Users have brought fast and convenient services. This means that the era of swiping cards is about to go, and the era of "swiping mobile phones" is about to come.
 
NFC, near field communication technology, is an emerging technology, that is, near field communication. Its English full name is Near Field Communication. It is developed on the basis of radio frequency identification RFID and Internet technology, and is developed by non-contact radio frequency identification. The integration and evolution of RFID and interconnection technologies, _Combining proximity cards, proximity readers, and point-to-point functions on a single chip, it can identify and exchange data with compatible devices within a short distance. It is a wireless communication technology initiated by Philips and jointly promoted by manufacturers such as Nokia and Sony. At first, this technology was just a simple merger of RFID technology and network technology. Now it has evolved into a short-range wireless communication technology, and its development trend is quite rapid.
 
NFC technology, with the characteristics of two-way connection and identification, is mainly based on radio frequency technology running at 13.56 MHz frequency, which can identify and exchange data with compatible devices within a short distance (within approximately 10 cm), and establish connections between devices . The transmission rate is 106 kbps, 212 kbps, 424 kbps, and the high can reach about 1 Mbps. When the working rate is less than 424 kbps, ASK amplitude keying modulation technology is adopted.
 

 
Just need to move two electronic devices (such as Bluetooth devices, mobile phones, Wi-Fi devices) close together, within a distance of a few centimeters, NFC allows users to exchange various data in the two electronic devices. It can communicate in a short distance (less than 20 cm), which not only greatly simplifies the identification process, but also enables electronic devices to communicate with each other more clearly and directly. In addition to having the function of allowing electronic devices to communicate quickly over a short distance, NFC also has the function of Enabler, which means that this function of NFC can be used to quickly establish communication between two devices. After the bridge is completed, other wireless communication technologies with higher transmission rates are used to transmit larger blocks of data such as files. It can be widely used in NFC electronic business cards, social media sharing, etc.


 
NFC technology can also be similar to a virtual connector, serving cellular networks, Bluetooth, and wireless 802.11 devices. It can quickly and easily establish a connection between device A and device B. The entire connection process does not require complicated parameter settings. , It can be done by simply approaching.
 
Compared with other short-distance wireless communication technologies, such as infrared, Bluetooth, Zigbee, etc., NFC can prevent improper use, and the required response time is shorter. Therefore, in a wireless transmission environment, NFC mobile phones and single The product has the characteristics of extremely low power consumption and fast transactions, which is suitable for use as an electronic wallet, which greatly facilitates the life of users. For more NFC electronic tags, NFC anti-counterfeiting tags, NFC social sharing tags and other related applications, please pay attention to NFC tag manufacturers to communicate with core IoT technology.