无线射频识别技术（Radio Frequency Identification，缩写RFID），无线射频识别技术是20世纪90年代开始兴起的一种自动识别技术，射频识别技术是一项利用射频信号通过空间耦合(交变磁场或电磁场)实现无接触信息传递并通过所传递的信息达到识别目的的技术。-RFID (Radio Frequency Identification, abbreviation RFID), radio frequency identification technology is 90 years of the 20th century the rise of an automatic identification technology, radio frequency identification technology is a radio frequency signal through the use of space coupled (alternating magnetic field or electromagnetic field) Contact-free information transmission through the transmission of information to identify the purpose of the technology.