RFID, Radio frequency identification,also known as electronic tag, is a non-contact automatic identification technology. It identifies specific targets through radio signals, reads and writes related data, and does not need to identify systems to have mechanical or optical contact with the target. It does not need manual intervention, can be used in various harsh environments, can identify high-speed moving objects, and can identify multiple labels at the same time, which is fast and convenient. The second generation of identity cards and Olympic tickets are built with RFID Mifare chips, and the ETC electronic toll collection system on expressways also uses RFID technology.
China Mobile's RFIDSIM card is similar to a bus card card in Beijing and other places, recording the balance of the mobile wallet through an integrated RFID Mifare chip and exchanging data on the card consumption. The mobile phone payment POS is the reader, and the RFID chip of the consumer's mobile phone is the label. In fact, the bus card has a built-in RFID Mifare chip, but the difference is that the mobile wallet can achieve wireless recharge and remote settlement through the cooperation of the mobile operator and the bank, so that all processes from the recharge to the consumption can be done through a mobile phone.
In fact, through the RFID mobile phone, mobile operators have played a role in a consumer payment platform, which is similar to the third party payment platform, such as Taobao's Alipay, the Tencent's fortune, and so on. But the popularity and ease of use of mobile phones are far more than the computer, plus a large group of users. Once the payment of mobile phones is as mature as Japan and South Korea, the huge amount of money precipitating and handling fees can be imagined by the operators. Through the carrier of mobile phone, operators directly connect users to the e-commerce market and complete the functions of e-commerce.
The RFID subsystem consists of RFID tag, RFID reader and RFID application support software system. Each user holds the RFID tag divided into the main label and the slave tag. The main label is pasted in the mobile phone shell, and is consistent with the ordinary magnetic card from the label, which is not suitable for the mobile phone. Because there is no online support for mobile phones, there are fewer tags from supporting business types than primary ones, mainly some small offline payment businesses.
