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![Mobile phone - Wikipedia, the free encyclopedia]()
en.wikipedia.orgA mobile phone (also known as a cellular phone, cell phone, and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting ...瀏覽：1358 -
![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：1499
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日期：2025-01-01
A 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...
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日期：2025-01-07
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：2025-01-05
Cellular telephone is a type of shortwave analog or digital telecommunication in which a subscriber has a wireless connection from a mobile telephone to a relatively nearby transmitter ... Search Consumerization Google-Samsung mobile container deal become...
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The Mobile Telephone Service (MTS) is a pre-cellular VHF radio system that links
to the Public Switched Telephone ......
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日期：2025-01-03
A cellular network or mobile network is a
wireless network distributed over land ......
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日期：2025-01-05
Cellular telephone, sometimes called mobile telephone, is a type of short-wave
analog or digital telecommunication in ......
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日期：2025-01-03
Continue with>>> Selling The Cell Phone - Wireless Cellular Technology Subscribe to the Newsletter Name ......
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Cell-phone Frequencies In the dark ages before cell phones, people who really needed mobile-communications ability installed radio telephones in their cars. In the radio-telephone system, there was one central antenna tower per city, and perhaps 25 channe...
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