gprs, gsm, cdma phone with 3g now What is the difference
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Users questions:
Experts answer: now "3G communication" is about to become a pet phrase of his mouth, then you know what is the 3G communication in the end it? The so-called 3G, in fact, the full name of 3rdGeneration, the Chinese meaning is the third generation digital communications. In 1995 came the first generation digital mobileBody form of services including web browsing, conference calls, e-commerce and other information services. Relative first-generation analogue phones (1G) and second-generation GSM, TDMA digital mobile phones, etc. (2G), 3G communication the name of the range, the ITU provisions of the "IMT-2000" (international mobile callThen 2000) standards, the European telecom giants call him "UMTS" Universal Mobile Telecommunications System. The standard requires that mobile terminal moves to speed, the transmission data rate of 144kbps, outdoor stationary or walking speed was 384kbps, while the interior is 2Mbps. ButThese requirements do not mean that users can rate can reach 2Mbps, because the room rate will depend on building a detailed frequency planning and organization and close collaboration with the degree operators. 3G mobile communications industry and the computer is completely the integration of industrial product, and the difference compared to the previous phone isToo, so more and more people began to call the new mobile communication products such as "personal communications terminal." Even the communications industry's most lay people can easily judge the appearance on a phone is a "third generation": the third generation mobile phone has a large color display, or touch-style often.3G mobile phone in addition to the completion of daily communication outside the high-quality, but also for multimedia communications. 3G mobile phone users can directly write on the touch screen, graphics, and send it to another phone, but the time required may be less than one second. Of course, this information could be transmitted to a computer, or from computerDownload some of the information; users can connect to the Internet using 3G mobile phones, checking e-mail or visit the website; will have many models of 3G mobile phone comes with the camera, which will allow users to use mobile phones to computers, or even to make a digital camera a "superfluous."
Experts answer: now "3G communication" is about to become a pet phrase of his mouth, then you know what is the 3G communication in the end it? The so-called 3G, in fact, the full name of 3rdGeneration, the Chinese meaning is the third generation digital communications. In 1995 came the first generation digital mobileBody form of services including web browsing, conference calls, e-commerce and other information services. Relative first-generation analogue phones (1G) and second-generation GSM, TDMA digital mobile phones, etc. (2G), 3G communication the name of the range, the ITU provisions of the "IMT-2000" (international mobile callThen 2000) standards, the European telecom giants call him "UMTS" Universal Mobile Telecommunications System. The standard requires that mobile terminal moves to speed, the transmission data rate of 144kbps, outdoor stationary or walking speed was 384kbps, while the interior is 2Mbps. ButThese requirements do not mean that users can rate can reach 2Mbps, because the room rate will depend on building a detailed frequency planning and organization and close collaboration with the degree operators. 3G mobile communications industry and the computer is completely the integration of industrial product, and the difference compared to the previous phone isToo, so more and more people began to call the new mobile communication products such as "personal communications terminal." Even the communications industry's most lay people can easily judge the appearance on a phone is a "third generation": the third generation mobile phone has a large color display, or touch-style often.3G mobile phone in addition to the completion of daily communication outside the high-quality, but also for multimedia communications. 3G mobile phone users can directly write on the touch screen, graphics, and send it to another phone, but the time required may be less than one second. Of course, this information could be transmitted to a computer, or from computerDownload some of the information; users can connect to the Internet using 3G mobile phones, checking e-mail or visit the website; will have many models of 3G mobile phone comes with the camera, which will allow users to use mobile phones to computers, or even to make a digital camera a "superfluous."
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