When you punch in at work, you forget to bring your access card and you are stopped outside the office building. When you go home late at night, you forget to bring your access card and you can’t enter the community. There are too many things, but you can’t find the card when you get to the door Everyone must have had a similar experience. Now, as long as you use oppo mobile phone access card, these problems will be solved easily. < / P > < p > oppo mobile phone access card is a door card simulation function provided by oppo wallet. By using NFC technology, users can copy the physical access card to oppo mobile phone. When opening the door, users only need the mobile phone close to the card swiping sensing area to quickly unlock the door, and no longer need to carry the access card with them. < / P > < p > how to open such a convenient and fast mobile phone access card function? It is understood that oppo mobile phone access card supports two ways: physical access card entry and online access card opening. Among them, the physical access card only supports the card whose frequency is 13.56MHz and is not encrypted, and the user can directly input the card into the mobile phone; at present, online card opening only supports some communities where the technology service of relatives and neighbors is supported. The user only needs to submit an application in oppo wallet, fill in and improve personal identity information, and then the card can be opened successfully after the property is certified. < / P > < p > after the card is successfully opened, the user swipes the card in a very simple way. Double click the power button to wake up the access control card, and use the mobile phone to swipe the card through the sensing area. At the same time, based on the oppo wallet smart card selection function, the mobile phone access card also supports the card swiping on the interest screen, without opening the app. Even in the absence of network environment, the mobile phone can swipe the door in seconds when it is close to the card swiping area. < / P > < p > at present, the oppo mobile phone models supporting mobile phone access card function include Reno series, find X2, find x2 pro, K5, R17 pro, a11n, a7n. It should be noted that at present, mobile phone access card does not support bank card, savings card and bus card with access control function. Continue ReadingAmerican companies begin to give up R & D: who should pay for corporate research?