2018
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06
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15
The relationship between RFID and the Internet of Things(1)
RFID conceptRadio frequency identification, or RFID, is the abbreviation of Radio Frequency Identification, also known as radio frequency identification. It is a communication technology that can identify specific targets and read and write related data through radio signals without establishing mechanical or optical between the system and the specific target. contact.Use of RFIDPassive RFID products are the earliest developed products, and they are also the most mature products in the market. For example, bus cards, canteen meal cards, bank cards, hotel access cards, second-generation ID cards, etc., can be seen everywhere in our daily life, and belong to the close-contact type. The main working frequency of its products are low frequency 125KHZ, high frequency 13.56MHZ, ultra high frequency 433MHZ, ultra high frequency 915MHZ.Active RFID products have been slowly developed in recent years, and their long-distance automatic identification characteristics determine their huge applicati...