Basic concepts of RFID

RFID is a term that we have been familiar with. It is also a hot topic in recent years, and it will be a code for people's future life. What about the incisive explanation of it?

RFID is an automatic identification technology that uses induction, radio waves or microwave energy for non-contact two-way communication to realize the purpose of identification and data exchange. It automatically recognizes target objects and obtains relevant data through radio frequency signals. It does not require human contact, optical visualization, and manual intervention to complete information input and processing. The operation is fast and convenient. The electronic tag is different from the barcode, it has waterproof, anti-magnetic, high temperature resistance, long service life, large reading distance, the data on the tag can be encrypted, the data storage capacity is larger, it can identify high-speed moving objects and can recognize multiple tags at the same time Etc.