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RFID (Radio Frequency Identification) electronic tag technology and NFCNear Field Communication) technologies are both wireless communication technologies, but they have some differences in working principles, communication ranges and application fields. Let’s find out next.

In terms of working principle, RFID technology uses radio frequencies to transmit data from electronic tags to RFID tag readers. The electronic tag contains a chip and an antenna, through which it receives and sends wireless signals and communicates with the reader. NFC technology is based on RFID technology, but has richer functions. It supports point-to-point communication and is compatible with existing RFID infrastructure. NFC devices can operate as RFID readers or tags, while also enabling direct communication between two NFC devices.

In terms of communication range, the communication range between RFID tags and readers is relatively large, usually up to several meters to tens of meters or even hundreds of meters, and can achieve long-distance identification and tracking. The communication range between NFC devices is usually short, generally within a few centimeters, and the devices need to be close to each other to communicate. This limitation of near-field communication makes NFC more advantageous in terms of security and is suitable for some payment and authentication scenarios.

In terms of application scope, RFID is widely used in supply chain management, inventory control, logistics tracking, asset management and other fields. It can identify and track a large number of items and improve logistics efficiency. NFC is mainly used in mobile payment, access control, smart tags, transportation cards on smartphones, ID cards and other fields. NFC technology allows smartphones to interact with NFC tags or readers, making it convenient for users to perform payment and authorization operations. It is worth mentioning that in many scenarios where NFC is used, RFID can also be used.

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