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Data transmission is to transmit data from the data source to the data terminal through one or more data links according to certain procedures. Its main function is to realize the transmission and exchange of information between points. A good data transmission method can improve the real-time and reliability of data transmission. The data transmission part plays an important role in the whole system, which is equivalent to the nerves of the human body transmitting signals to various parts of the body. How to efficiently, accurately and timely transmit the digital information collected by the acquisition module is an important topic.As an accessory product of the mobile phone, the mobile phone data cable can completely develop the potential functions of the mobile phone at the beginning, and it has attracted people's attention gradually. At present, the supply and demand of the accessories market is also increasing. As one of the main accessories of mobile phones, there are many data cables on the market, but not many data cables. Most of them are imitation ones produced by the manufacturers themselves. Of course, the quality and price are uneven. The mobile phone data cable was only an ordinary mobile phone accessory at first, mainly used for maintenance, testing of mobile phones, and business people managing phones through computers. Nowadays, the application of data cables is quite extensive. , manage SMS, manage contacts, modify network logo, send SMS, MMS, download ringtones, pictures, use GPRS or WAP dial-up Internet access and other functions are deeply loved by users, because different data lines will map different functions, so You distinguish when you buy