Being a kind of wireless technology, RFID is easily disturbed and influenced by all kinds of wireless signals inthe air, and its effects of application are closely connected with the environment of space. At present, many users are easily dazed when they purchase relevant products of UHF and RFID, and what kind of targets would represent performances of UHF and RFID at most? The author gives the c oncise and c or rect answers f or some misunderstandings of cognition.
