The characteristic of the reader
is that the reader is generally regarded as a radio frequency identification or RFID reading and writing terminal device. It can not only read radio frequency tags, but also erase and write data, so it is called a reader. If you can only read and cannot erase and write, it is called a card reader or radio frequency identification device. Readers are used in a wide range of applications, mainly used in identity recognition, cargo identification, security authentication and data collection, etc., with the characteristics of safety, accuracy, speed, expansion, and strong compatibility.