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This article is to share with you about the technology of sending radio waves through tags in computers. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Radio frequency identification technology emits radio waves through tags, and readers receive radio waves to read data; radio frequency identification is a kind of automatic identification technology, which carries out non-contact two-way data communication through wireless radio frequency mode. the use of radio frequency to read and write the recording media, so as to achieve the purpose of identifying the target and data exchange.

What technology emits radio waves through tags?

Radio frequency identification technology emits radio waves through tags, and readers receive radio waves to read data.

Radio Frequency Identification (RFID) is the abbreviation of Radio Frequency Identification.

The principle is the non-contact data communication between the reader and the tag to achieve the purpose of identifying the target. RFID has a wide range of applications, such as animal chip, car chip anti-theft device, access control, parking control, production line automation, material management.

Overview

Radio frequency identification, namely radio frequency identification technology (Radio Frequency Identification,RFID), is a kind of automatic identification technology, which carries out non-contact two-way data communication through radio frequency, and uses radio frequency to read and write recording media (electronic tags or radio frequency cards), so as to achieve the goal of identification and data exchange. it is considered to be one of the most potential information technologies in the 21st century.

Radio frequency identification technology through radio wave non-contact fast information exchange and storage technology, through wireless communication combined with data access technology, and then connected to the database system to achieve non-contact two-way communication, so as to achieve the purpose of identification, used for data exchange, series into an extremely complex system. In the recognition system, the reading, writing and communication of electronic tags are realized by electromagnetic waves. According to the communication distance, it can be divided into near field and far field, so the data exchange mode between the read / write device and the electronic tag is correspondingly divided into load modulation and backscattering modulation.

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