For the NFC function of mobile phones, I believe most users are unfamiliar. In fact, as early as 2005, the first NFC-enabled mobile phone, the Nokia 3220 has already been listed. Since Apple's Apple Pay was launched in China in February this year, it has led a wave of card-binding, and NFC has gradually begun to appear in the eyes of ordinary users. At the end of March, Samsung also released Samsung Pay in China, followed by Huawei Pay, and the upcoming Mi Pay. The Android camp also began to have its own mobile payment. So, what exactly is NFC?
This article refers to the address: http://
NFC English full name is: Near Field Communication, Chinese name is near field communication, is a short-range high-frequency radio technology, able to identify and exchange data with related compatible devices. The NFC mobile phone is a mobile phone with an NFC function module, and many related functions can be used through the NFC of the mobile phone device.
What is the difference between NFC, Bluetooth, and infrared?
Compared to the Bluetooth we are familiar with, NFC is better at building links faster and with lower power consumption. NFC is basically contact-reading, and Bluetooth links generally require 5-6s. Because NFC is a point-to-point contact, which means that it can only be paired with one device at a time, the power consumption is lower than Bluetooth.
The disadvantage is that the transmission rate of NFC is much lower than that of Bluetooth, and the usage distance is only within 10 CM. Since Bluetooth is used farther and can be one-to-many, our laptops can connect headphones, keyboard, mouse, etc. via Bluetooth at the same time. Mobile phone infrared is equivalent to a remote control, you can control your TV, air conditioner, computer and so on. As long as your phone and device support infrared. The following picture briefly summarizes the differences between the three.
What can NFC do?
Engage me today to introduce you to two main functions, bus card recharge & credit card and mobile payment.
1. Bus card recharge & credit card
I think this is one of the most useful features of NFC for our average consumer so far. It is very convenient to recharge your mobile phone through NFC. Just open the NFC of your mobile phone and paste the bus card to the back of the mobile phone. You can easily recharge your mobile phone through a few simple steps. Of course, if you need an invoice for the bus, it will be a bit more troublesome, and you need to go to the location designated by the local bus company in exchange for an invoice.
If you feel that you are not enough to recharge your bus card through NFC, you can use your mobile phone to satisfy your requirements. You have given me this function, excited!
At present, there are two main ways to brush a bus card through a mobile phone. One is to write your bus card analog to the mobile phone through the NFC analog card function. Another way is to change the NFC-SIM card to the business hall, and the same effect can be achieved. Of course, no matter which way, your phone must support NFC function.
So how do you choose these two methods? If your phone supports NFC analog cards, then this is the best way to do this. The analog card is more stable than the NFC-SIM card. But not all NFC phones support the form of analog cards, and they are also related to your city. For example, Xiaomi 5 currently only supports the simulation of Shenzhen and Shanghai bus cards.
NFC-SIM cards do not have so many rules and regulations. As long as your phone supports NFC, you can theoretically use NFC-SIM cards. Most of the business halls so far have only NFC cards with ordinary big cards and Micro-SIM cards. So if your phone is a Nano card, you will need to cut the card yourself.
I have used the mobile phone system in Beijing for a period of time to use the mobile phone to swipe the card. The overall feeling is that the NFC-SIM card compares the machine. Some of the credit card machines passed by, but some of them did not respond after many times. Finally, they could find a subway staff to solve them. So if you want to try your mobile phone card, it is best to bring your own bus card. If you can't get in if you are in the station, you can still brush the bus card honestly to avoid delaying your time.
2, mobile payment
Since the popularity of WeChat/Alibaba scan code payment, we have rarely brought wallets when we go out. A while ago, a CNN reporter came to Beijing to experience a day without a wallet. His final result was: very easy!
So what is the difference between WeChat/Alipay payment and Apple Pay or Samsung Pay?
The former requires networking to pay, but does not require a mobile phone to support NFC. The latter can be paid without internet connection, but you need your mobile phone to support NFC, which is equivalent to writing your bank card into your mobile phone. Apple Pay requires a merchant to have an NFC-enabled POS machine to swipe the card. In addition to supporting NFC, Samsung Pay also supports magnetic stripe card printing, which means that all POS machines on the market can use Samsung Pay.
So what should we use? Of course, which one has a discount?
Technology has changed life. In the end, NFC is a tool that makes our lives easier. Maybe in the near future, a mobile phone can handle all our lives. In addition to the two main features described above, NFC can do a lot of things. Brush access control, data transfer, browsing information, reading proximity card information, and more. Still not open your phone's NFC to play!
Hand Blender Machine,Full Set Hand Blender,Personal Mini Hand Blender,Mini Hand Blender
JIANGMEN JIANGHAI DISTRICT SHENGHUI ELECTRIC CO.,LTD , https://www.shenghuielectric.com