Simply put, NFC is an RFID technology that is improved in accordance with RFID. There are certain differences between the two definitions and the fields of use. Since the birth of these two technologies, the development has reached a perfect level, and it has been widely applied and is expanding into more fields.

NFC tags are developed on the basis of RFID tag sticker. NFC is essentially not much different from RFID, and is based on signal transmission between two objects with similar geographical locations.

However, NFC and RFID are still different. NFC technology adds point-to-point communication function, which can quickly establish P2P (peer-to-peer) wireless communication between Bluetooth devices. NFC devices look for each other and establish communication connections. Both devices of the P2P communication are peer-to-peer, and the devices of the RFID communication are master-slave relationships.

Differences in technical details:

Compared with RFID technology, NFC has some characteristics such as close distance, high bandwidth and low energy consumption. details:

1. NFC is limited to the 13.56MHz band! The RFID band has low frequency (125KHz to 135KHz), high frequency (13.56MHz) and ultra high frequency (860MHz to 960MHz).

2. Working effective distance: NFC (less than 10cm, so it has high security), RFID distance from a few meters to tens of meters!

3. Because it works at 13.56MHz, NFC is compatible with existing contactless smart card technology, so many manufacturers and related groups support NFC, and there are many RFID standards, and the unity is more complicated (it is estimated that it is impossible to unify), only Can use the corresponding technical standards in special industries with special needs!

4. Applications: RFID is more widely used in production, logistics, tracking, and asset management, while NFC plays a huge role in the fields of access control, public transportation, and mobile payment.

Popularly speaking, NFC is a kind of near-field payment technology developed based on RFID technology. For example, an NFC-enabled mobile phone is equivalent to an electronic wallet. When the mobile phone is close to the deduction machine, it can replace the card when you usually consume it. Pay cash and other acts. Mainly used for mobile payment, mobile reading.

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