An RFID scanner is a device that reads and writes RFID tags.
RFID is a radio frequency identification tag and belongs to the non-contact type automatic identification. The carrier for recording information is an IC chip, and the read and write information is based on the principle of electromagnetic waves. It is essentially different from a bar code system, so its read/write device (strictly speaking, it should not be called a scanner) is completely different from a bar code scanner. This type of equipment is now common, such as the bar system for inbound and outbound vehicles, smart parking lots, non-parking charges (ETC) on highways, card readers on buses, risotto systems in college canteens, and second-generation ID cards. The RFID technology used.