雙頻=2G? 三頻=3G? 四頻=4G? - Yahoo!知識+ 完錯錯誤 ~~~~ 2G / 3G / 4G 係電話網絡 2G - 數碼電話 (即 DIGITAL MOBILE PHONE) 3G - DATA 傳輸SPEED 超過 238.6 Mbps 的電話網絡 即大家所講的電話可用視像通話 video call 4G - DATA 傳輸 SPEED 比 HSDPA 更快的電話網絡 主要用作資料傳輸, 同一般 ...
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What is the difference between 2G , 3G and 4G Internet connection and Speed | Tech Tips by Pal 3G was a big step forward .It used Digital broadband .It was faster as compared to 2G its speed was up to 3 Megabits per second. ... 4G is an entirely different thing from 3G in terms of technology and speed. 4G is Digital Broadband packet based and all I
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4G - Wikipedia, the free encyclopedia A 4G system, in addition to the usual voice and other services of 3G, provides .... since the first move from 1981 analog (1G) to digital (2G) transmission in 1992. ... In theory speeds up to 672 Mbit/s is possible, but has not been deployed yet.
What is the difference between 2G, 3G, 4G, mobile ... - Facebook G in 2G, 3G and 4G stands for the “Generation” of the mobile network. Today, mobile ... The speed of data transmission on a 3G network ranges between 384KBPS to 2MBPS. This means a 3G network ...
What are 1G, 2G, 3G and 4G networks ? :: SG FAQ - SpeedGuide The document calls for 4G technologies to deliver downlink speeds of 1Gbps when stationary and 100Mbps when ...
What Is 1G vs. 2G vs. 2.5G vs. 3G vs. 4G? - Cell Phones - About.com Though the jargon 1G, 2G, 2.5 and 4G might not have ever popped into your head, 3G very likely has given today's emphasis on high-speed data usage from your mobile phone. This article will help ...
2G, 3G, 4G, and everything in between: an Engadget wireless primer 17 Jan 2011 ... 2G, 3G, 4G, and everything in between: an Engadget wireless primer ... Just what is "4G," anyway? It's one .... In addition to the aforementioned speed requirements, the ITU's official 3G ...
