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Electronic tags are also called smart tags, and English is Tag or Smart Label. At its core is a chip that uses RFID radio frequency identification technology and has a small storage capacity.
RFID radio frequency technology and bar code are conceptually similar, and the purpose is to quickly and accurately confirm the tracking target objects; technically, they are two different technologies with different scopes of application (sometimes overlapping) ).
The biggest difference between the two is that the barcode is “visual technologyâ€. The scanner works under the guidance of humans and can only receive barcodes within its field of view. In contrast, radio frequency identification does not require the target to be seen. It can be read within the scope of the receiver. The barcode itself has other drawbacks. If the label is scratched, contaminated or dropped, the scanner will not be able to identify the target. Barcodes can only identify producers and products, and can't identify specific products. The barcodes are the same on all the same product packaging. It is impossible to identify which products expire first. More importantly, more than 500 million products are produced every year in the world. And the global commodity barcode, the barcode number arranged by twelve is almost running out.
In addition, they have the following main differences:
1. The ability to write information or update memory. The memory of the barcode cannot be changed. RF tags are not like barcodes, and their unique identifiers cannot be copied.
2. The role of the tag is not limited to the field of view, because the information is transmitted by radio waves, and the bar code must be within the field of view. Due to the low cost of bar codes and the well-established standard system, which has been spread around the world, it has been generally accepted. In general, RF technology is limited to a limited market share.
At present, a variety of bar code control templates are already in use, and there are different standards for radio frequency in accessing information channels. Because of the different components, smart labels are much more expensive than barcodes. The cost of barcodes is the cost of barcode paper and ink. The price of active RF tags with memory chips is more than $2, and the cost of passive RF tags is more than $1. However, the price of a tag without a built-in chip is only a few cents, which can be used to make the data information less demanding, and at the same time has the anti-counterfeiting function that the barcode does not have.
About Shenzhen Vision
Shenzhen Yuanjingda is committed to the automatic identification industry for 15 years. It is a professional logistics network information management solution provider in China. It specializes in barcode automatic identification technology and RFID RF technology products and services. It is aimed at dataization, informationization and business processes of many industry customers. Management and asset management, providing industry users with a complete IoT informationization solution based on "automatic identification and data acquisition".
RFID tags are called radio frequency tags and radio frequency identification. It is a non-contact automatic identification technology. It recognizes the target object and acquires relevant data through RF signal. The identification work does not require manual intervention. As a wireless version of the barcode, the RFID technology has the waterproof, antimagnetic and high temperature resistance that the barcode does not have. Long service life, large reading distance, data on the label can be encrypted, storage data capacity is larger, and storage information can be changed freely.
December 22, 2023