RFID Definition.animal chip producer

　　RFID Definition

　　Radio Frequency Identification (RFID) is a wireless communication technology that can identify specific targets through radio signals and read and write related data without the need to establish mechanical or optical contact between the identification system and the specific target.

　　The radio signal transmits the data from the tag attached to the item through the electromagnetic field tuned to the radio frequency to automatically identify and track the item. Some tags can get energy from the electromagnetic field emitted by the identifier when they are identified, and do not need batteries; there are also tags that have power themselves and can actively emit radio waves (electromagnetic fields tuned to radio frequencies). The tags contain electronically stored information and are identifiable within a few meters. Unlike barcodes, RFID tags do not need to be within the line of sight of the identifier and can also be embedded within the object being tracked.

　　RFID technology is used in many industries. By attaching the tag to a car in production, the factory can easily track the car's progress on the production line. Warehouses can track where medicines are. Radio frequency tags can also be attached to livestock and pets to facilitate positive identification of livestock and pets (positive identification means preventing several livestock from using the same identity). RFID ID cards can give employees access to locked parts of buildings, and RFID transponders in cars can also be used to collect toll roads and car parks.

　　Some RFID tags are attached to clothing, personal belongings, and even implanted in the human body. Since this technology may read personal information without my permission, this technology will also have the concern of violating personal privacy.

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