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![History of mobile phones - Wikipedia, the free encyclopedia]()
en.m.wikipedia.org... 6 Digital cellular networks – 2G; 7 Mobile broadband data – 3G; 8 Native IP networks – 4G; 9 Thefts ...瀏覽：1113 -
![Cellular network - Wikipedia, the free encyclopedia]()
en.wikipedia.orgA cellular network or mobile network is a wireless network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of fre瀏覽：840
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日期：2024-09-10
A mobile phone (also known as a cellular phone, cell phone, hand phone, or
simply a phone) is a phone that can make ......
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日期：2024-09-06
A mobile phone (also known as a cellular phone, cell phone, hand phone, or simply a phone) is a phone that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network pr...
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日期：2024-09-04
A cellular network or mobile network is a
wireless network distributed over land ......
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日期：2024-09-06
Cellular telephone, sometimes called mobile telephone, is a type of short-wave
analog or digital telecommunication in ......
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日期：2024-09-03
Cellular Phone Technology. Retrieved August 4, 2014, from http://ezinearticles.com/? Cellular- Phone- ......
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日期：2024-09-10
thank you Friend,your post Cellular Telephone Technology: Public Health Facts & Concerns is useful to ......
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日期：2024-09-07
Global System for Mobile Communications (GSM), a popular digital cellular phone technology used in Europe ......
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日期：2024-09-08
a one to three watt cellular phone call can take up a path that is three times wider than a 50,000 watt ......
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