What is nfc access control card

nfc access control card refers to using the NFC function of the mobile phone to simulate an access control card that can open the door; the NFC function is a frequency radio function, and a mobile phone with this function can support copying the access control card to Features on your phone.

The operating environment of this article: MIUI12.0.22, Xiaomi 11

What is an nfc access card?

nfc access control card refers to using the NFC function of the mobile phone to simulate an access control card that can open the door.

NFC function is a relatively popular frequency radio function. Mobile phones with this function can support the function of copying access control cards to mobile phones.

NFC’s full name in English is Near Field Communication. distance wireless communication. It is a wireless technology initiated by Philips and jointly promoted by famous manufacturers such as Nokia and Sony.

NFC uses two-way identification and connection. NFC mobile phones have three functional modes: NFC mobile phone as a reading device (reader and writer), NFC mobile phone as a read device (card simulation), and NFC mobile phone as a reading device (card simulation). point-to-point communication applications.

NFC mobile phone as a reading device

In this mode, the NFC mobile phone with reading function collects data from the TAG and then processes it according to the requirements of the application. Some applications can be completed directly locally, while others require interaction with the network.

Typical applications based on this model: access control or ticket sales, cinema ticket sales, etc. Users only need to bring the device that stores the ticket or door control code close to the reading device. It can also be used as a simple data acquisition application, such as bus station information, park map information, etc.

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