The Internet of Things is the "Internet of everything". It is the extension and expansion of the network based on the Internet. It combines various information sensing devices with the network to form a huge network, which can realize the interconnection of people, machines and things at any time and anywhere.

The Internet of Things (iot) is a network that connects articles to the Internet for information exchange and communication according to certain rules through radio-frequency identification technology, infrared sensors, global positioning system, laser scanner and other devices, so as to realize intelligent identification, positioning, tracking, monitoring and management of articles. This technology is widely used in warehousing, logistics, retail, medical, library and other fields. In short, the Internet of Things is a technology for intelligent management of objects or resources through specific technologies.

Radio frequency identification technology RFID

Video Identification technology, that is, we often call "RFID", is called "Radio Frequency Identification", commonly known as "electronic tag". Radio frequency identification (RFID) is an automatic identification technology, which uses radio frequency signals to realize non-contact wireless information transmission. The principle is non-contact data communication between readers and tags, and the ultimate purpose is to automatically identify target objects. RFID is widely used, such as NFC, intelligent library, logistics system, all-in-one card, access control system, etc.

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PDA

PDA stands for Personal Digital Assistant. PDA can be divided into consumer PDA and industrial PDA, consumer PDA on our daily common tablet computers, smart phones, handheld game consoles. And industrial PDA includes bar code scanner, RFID reader, POS machine. Industrial PDA mainly includes two core functions, which are data transmission and data acquisition. Industrial grade PDA is resistant to high temperature, low temperature, dust and other extreme industrial environment, can be used in retail, logistics, parking fees, medical and other fields. Industrial PDA has the characteristics of lightness, high efficiency and high performance.