RFID technology refers to the transmission of information by radio frequency, which mainly includes radio frequency readers and electronic tags. The reader is the main control structure and sends instructions to the electronic tags to complete the compilation and execution of corresponding instructions, and finally complete the data transmission and Identification. Compared with barcode and QR code recognition, RFID handheld terminal does not need to be in contact with the identification object, it only needs radio frequency to identify the object, transfer and process information, and can remotely read and identify objects in high-speed motion, which has many advantages.
1) The label has high security and easy identification
The 2D code and barcode on the object indicate that it is easy to copy and forge, and the data security and confidentiality are very poor. RFID technology encrypts and stores useful information in the electronic tag, and processes the electronic tag into the packaging box or bottle. , Multiple confidentiality, not easy to destroy, and high security! RFID handheld terminal recognition is very fast and easy to use!
2) Large label capacity
The capacity of 1D and 2D barcodes is very limited. 2D barcodes can only store up to 3000 characters. However, the capacity of RFID tags can be precisely controlled and made very large. With the continuous development of storage technology of semiconductor components, the storage of electronic tags The capacity will get bigger and bigger!
3) Simultaneous recognition at long distance
Nowadays, commonly used barcodes can only be recognized by scanning at close range, which is slower and less efficient. However, RFID handheld terminals use radio frequency to transmit signals during identification. Each tag in the electromagnetic field has a globally unique code (UID code), and receive the signal through the coupled antenna, realize long-distance identification simultaneously, and can also selectively identify and read a specific electronic tag, which is extremely efficient!