Nfc cannot recognize the hotel room card.

To identify the hotel room card through nfc, you need to add the hotel room card to the wallet APP, and then authorize it at the front desk of the cooperative hotel. The mobile phone can be used as a room card, but it cannot be used without authorization; In addition to simulating access cards, NFC of Android can also be used as car keys and bus cards. NFC uses: It can simulate access cards, bus cards and subway cards; Advanced gameplay can also simulate bank cards, car keys and so on. The most advanced functions are eid analog ID card, hotel access card (some hotels can open cards through app), airport display mobile phone eid, and one-click ticket purchase. Nfc is the abbreviation of Near Field Communication, that is, short-distance wireless communication technology, which is developed by the integration of contactless radio frequency identification (RFID) and internet technology. By integrating the functions of sensor card reader, sensor card and point-to-point communication on one chip, mobile payment, electronic ticketing, identity recognition, anti-counterfeiting and other applications can be realized by using mobile terminals.