What is RFID reader

RFID reader (abbreviation of Radio Frequency Identification) is also known as "RFID reader", that is, radio frequency identification, which automatically recognizes the target object and obtains related data through radio frequency identification signal. It can identify high-speed moving objects without manual intervention. Recognize multiple RFID tags, the operation is quick and convenient. There are fixed and handheld RFID readers. Hand-held RFID readers include low frequency, high frequency, ultra high frequency, and active.
RFID technology is used in many industries, such as logistics warehouse management, anti-counterfeiting traceability, industrial manufacturing, ETC, etc. Especially after the concept of Industry 4.0 was put forward, RFID readers have been widely used in manufacturing.
RFID readers are used in the manufacturing industry, and RFID electronic tags are increasingly prominent in production, transportation and warehouse management. In the production link, it replaces barcode scanning to realize automatic data collection; the material pulling link cooperates with AGV trolley transportation; the warehouse link manages the entry and exit of goods and inventory.
In the highway electronic toll collection system ETC (Electronic Toll Collection abbreviation), the reader is defined as RSU (Road Side Unit), that is, the road side unit, which reads and writes the OBU (On Board Unit).
RFID readers are used in parking lot management to realize vehicle identification and automatic deduction. If a long-distance RFID reader is used, it can realize a fast channel without stopping and without taking a card, or an unattended channel, or an unmanned electronic detection of vehicle entry and exit.