7 Differences Between RFID Labels and Barcodes.Nfc Wristband

　　Barcode technology is the abbreviation of barcode auto-identification technology. It is an automatic identification technology of symbols produced and developed on the basis of contemporary information technology. It can integrate functions such as symbol coding, data collection, automatic identification, input, and storage information, which can effectively solve the problems of large data collection and automatic input in the logistics process.

　　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.

　　In fact, before the application of RFID technology, the recording and transmission of information mainly depended on barcodes. The advantages of using barcode identification methods are flexible configuration and low system cost, but there are characteristics such as easy pollution, easy damage, and cumbersome operation. Although RFID tags and barcodes Both are used to store product information, but there are 7 differences between the two technologies as follows:

　　1. Data storage capacity

　　The capacity of one-dimensional barcodes is 50 bytes, the maximum capacity of two-dimensional barcodes can store 2 to 3000 characters, and the maximum capacity of RFID is several M bytes. With the development of memory carriers, the data capacity also has a trend of expanding. In the future, the amount of data that items need to carry will increase, and the demand for storage media to expand the capacity will also increase accordingly.

　　2. Anti-pollution ability and durability

　　The carrier of traditional barcodes is paper, so it is susceptible to contamination, but RFID is very resistant to substances such as water, oil and chemicals. In addition, because the barcode is attached to the plastic bag or the outer packaging carton, it is particularly vulnerable to breakage; the RFID tag stores the data in the chip, so it can be protected from contamination and prolong the service life.

　　3. External form

　　RFID is not limited by size and shape in reading, and there is no need to solve the size or printing accuracy of the carrier for reading accuracy. In addition, RFID tags can be further miniaturized and developed in various forms to be applied to different products.

　　4. Security

　　Since RFID carries electronic information, its data content can be protected by encryption technology, so that its content is not easy to be forged and altered, while barcodes expose physical information and generally use general coding rules, so data security cannot be guaranteed.

　　5. Drawing efficiency

　　The frequency of barcode scanning and recognition is limited, and only one barcode can be scanned at a time; the RFID reader can identify and read several RFID tags at the same time.

　　6. Penetrating and accessible reading

　　When covered, RFID can penetrate non-metallic or non-transparent materials such as paper, wood, and plastic, and can communicate penetratingly. Barcode scanners can only recognize barcodes when they are at close range and not blocked by objects.

　　7. Reusable

　　After the current barcode is printed, it cannot be changed or reused, which virtually increases the cost of the enterprise, while the RFID tag can repeatedly add, modify, and delete the data stored in the RFID tag to facilitate the update of information.

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