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  2. 1G - Wikipedia

    en.wikipedia.org/wiki/1G

    NMT was the first mobile phone network to feature international roaming. In 1983, the first 1G cellular network launched in the United States, which was Chicago-based Ameritech using the Motorola DynaTAC mobile phone. In the early to mid 1990s, 1G was superseded by newer 2G (second generation) cellular technologies such as GSM and cdmaOne.

  3. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    The most common example of a cellular network is a mobile phone (cell phone) network. A mobile phone is a portable telephone which receives or makes calls through a cell site (base station) or transmitting tower. Radio waves are used to transfer signals to and from the cell phone. Modern mobile phone networks use cells because radio frequencies ...

  4. Total Access Communication System - Wikipedia

    en.wikipedia.org/wiki/Total_Access_Communication...

    First-generation Motorola 4500X mobile phone, which utilised ETACS. Total Access Communication System (TACS) and ETACS are variants of Advanced Mobile Phone System (AMPS) which were announced as the choice for the first two UK national cellular systems in February 1983, less than a year after the UK government announced the T&Cs for the two competing mobile phone networks in June 1982. [1]

  5. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    www.gsma.com. The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM Association. [2]

  6. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    AMTS: Advanced Mobile Telephone System; 0.5G: A group of technologies improving basic 0G technical characteristics. Autotel / PALM: Autotel or PALM (Public Automated Land Mobile) ARP: Autoradiopuhelin, Car Radio Phone; 1G: Refers to the first generation of wireless telephone technology, namely cellular portable wireless telephone. Introduced in ...

  7. Advanced Mobile Phone System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Mobile_Phone_System

    Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October 13, 1983, [1][2][3] and was deployed in many other countries too, including Israel in 1986, Australia ...

  8. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    1G or (1-G) refers to the first generation of cellular network technology. These are the analog telecommunication standards that were introduced in 1979 and the early to mid-1980s and continued until being replaced by 2G digital telecommunications. The main difference between these two mobile telephone generations is that in 1G systems the ...

  9. Mobile telephony - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephony

    5G (5.25G, 5.5G) 6G. Mobile telecommunications. v. t. e. Mobile telephony is the provision of telephone services to mobile phones rather than fixed-location phones (landline phones). Telephony is supposed to specifically point to a voice-only service or connection, though sometimes the line may blur.

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