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  2. Bell Canada - Wikipedia

    en.wikipedia.org/wiki/Bell_Canada

    Bell Canada. Bell Canada (commonly referred to as Bell) is a Canadian telecommunications company headquartered at 1 Carrefour Alexander-Graham-Bell [6] in the borough of Verdun, Quebec, in Canada. It is an ILEC (incumbent local exchange carrier) in the provinces of Ontario and Quebec; as such, it was a founding member of the Stentor Alliance.

  3. List of mobile network operators in Canada - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    As of March 2021, there are over 33 million wireless subscriptions in Canada. [1] Approximately 90% of Canadian mobile phone users subscribe to one of the four largest national telecommunication companies (Rogers Wireless, Bell Mobility, Freedom Mobile and Telus Mobility) or one of their subsidiary brands.

  4. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

  5. List of wireless network technologies - Wikipedia

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

    2G (or 2-G) provides three primary benefits over their predecessors: phone conversations are digitally encrypted; 2G systems are significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS (Short Message Service) plain text-based messages. 2G technologies enable the various mobile phone ...

  6. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    Because only three radio channels were available, only three customers in any given city could make mobile telephone calls at one time. [16] Mobile Telephone Service was expensive, costing US$15 per month, plus $0.30–0.40 per local call, equivalent to (in 2012 US dollars) about $176 per month and $3.50–4.75 per call. [15]

  7. Mobile telephony - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephony

    Mobile phone subscriptions, not subscribers, per 100 inhabitants 1997-2007. Mobile phones receive and send radio signals with any number of cell site base stations fitted with microwave antennas. These sites are usually mounted on a tower, pole or building, located throughout populated areas, then connected to a cabled communication network and ...

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