The difference between the RFID card and NFC card
NFC is developed on the basis of RFID. In essence, NFC is not much different from RFID. Both are based on signal transmission between two objects with similar geographical locations. However, there is still a difference between NFC and RFID. NFC technology adds a point-to-point communication function, which can quickly establish P2P (point-to-point) wireless communication between Bluetooth devices. NFC devices find each other and establish communication connections. The two devices of P2P communication are peer-to-peer, while the two devices of RFID communication are in a master-slave relationship.
NFC and RFID compared with technologies, it has some characteristics such as short distance, high bandwidth, and low energy consumption.
1. NFC is only limited to the 13.56MHz frequency band, while the RFID frequency band has low frequency (125KHz to135KHz), high frequency (13.56MHz) and UHF (860MHz – 960MHz).
2. Effective working distance:
NFC reading distance is less than 10cm, so it has high security, RFID distance is from several meters to tens of meters.
3. In the case of the same working at 13.56MHz, NFC is compatible with the existing contactless smart card technology, so many manufacturers and related groups support NFC, and there are many RFID standards, unification is more complicated, and it can only have special needs in special industries Under the corresponding technical standards.
RFID is more used in production, logistics, tracking, asset management, and NFC plays a huge role in access control, public transportation, mobile payment, and other fields.
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