3D? It should be 3G.
In layman’s terms, the so-called 3G mobile phone refers to the third generation (The Third Generation) mobile phone. With the development of science and technology and economy, mobile phones are no longer the exclusive preserve of white-collar workers. Moreover, there are so many varieties and models of mobile phones that are dizzying, ranging from the first-generation analog mobile phones to the second-generation GSM, Digital mobile phones such as TDMA, and now the third generation mobile phones, mobile phones have become a new generation of mobile phones that combine voice communication and multimedia communication, and include value-added services such as images, music, web browsing, conference calls, and other information services. communication system.
The basis for powerful functions is the extremely high data transmission speed of 3G mobile phones. The current transmission speed of GSM mobile communication network is 9.6K bytes per second, and the third-generation mobile phone may eventually reach 9.6K bytes per second. Transfer speeds will be up to 2Mbps each. Supporting this is the full integration of Internet technology into 3G mobile phone systems, the most important of which is data packaging technology. GPRS, developed by applying data packaging technology to existing GSM, can currently reach a transmission speed of 384kbps per second, which is equivalent to twice the transmission speed of D-ISDN. 3G mobile phones support high-quality voice, packet data, multimedia services and multi-user speed communications, which will greatly expand the connotation of mobile phone communications.
Want to know what real 3G life is? Your glasses, watches, makeup cases, travel shoes, any item you can see may become a 3G terminal. When bandwidth and technology are available, this terminal that integrates many functions allows us not only to communicate anytime and anywhere, but also to download and transfer information, pictures, and videos in both directions. Of course, we can also play online games with strangers we have never met. According to experts, mobile phones in the 3G era can not only complete the high-quality voice communications currently performed by mobile phones, but also perform multimedia communications. Users can write and draw directly on the touch display screen of a 3G mobile phone and transfer it to another mobile phone, and the time required may be less than a second. Of course, this information can also be transferred to a computer, or certain information can be downloaded from a computer; users can use 3G mobile phones to directly access the Internet, check emails or browse the web; there will be many models of 3G mobile phones with built-in cameras. It will allow users to use mobile phones for computer conferencing, and even make digital cameras "redundant".