Mobile phones is……? Mobile phones (Cell phones) may be new devices, but they originated in the 1920’s. Radios were used since 1921. Features were put into these radios in the 1940’s, and they were used by police. The concept of the cellular phone was developed in 1947 which originated from the mobile car phone. The concept of the cellular phone was produced by Bell Laboratories.
Portable telephone device that does not require the use of landlines. Cell phones utilize frequencies transmitted by cellular towers to connect the calls between two devices. The first mobile phone operated on an analog service and was developed by Motorola, Inc. Mobile phones have grown to be the most widely used portable device in the world. Mobile phones may also be referred to as wireless or cellular phones (Cell phones).
Mobile phones is?
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- 3+ months ago by Camelon
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- phone, radio, mobile, cell, news, device, cell phone, mobile phone, cells, phones
Added 3+ months ago:
(CELLular telePHONE) The first ubiquitous wireless telephone. Originally analog, all new cellular systems are digital, which has enabled the cellphone to turn into a handheld personal computer (see smartphone).
Introduced in the mid-1980s, cellphone sales exploded worldwide in the 1990s. By 2008, there were more than three billion in use, and many users have become addicted (see nomophobia). A cellphone is also called a "mobile phone" or "mobile."
Major Carriers
In the U.S., the major cellular carriers are AT&T (formerly Cingular), Verizon Wireless (formerly Bell Atlantic Mobile and Alltel), Sprint (merger of Sprint and Nextel), T-Mobile and Virgin Mobile USA. The largest cellular company in the world is UK-based Vodafone, which includes substantial ownership in Verizon Wireless.
Cell Technology
Geographic areas are divided into a number of slightly overlapping circular "cells." Each cell contains a base station, which is identifiable by its transmitting and receiving antenna located on a tower at the top of a hill or building. The base stations connect to the landline telephone system of the country.
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Answers (1)
(CELLular telePHONE) The first ubiquitous wireless telephone. Originally analog, all new cellular systems are digital, which has enabled the cellphone to turn into a handheld personal computer (see smartphone).
Introduced in the mid-1980s, cellphone sales exploded worldwide in the 1990s. By 2008, there were more than three billion in use, and many users have become addicted (see nomophobia). A cellphone is also called a "mobile phone" or "mobile."
Major Carriers
In the U.S., the major cellular carriers are AT&T (formerly Cingular), Verizon Wireless (formerly Bell Atlantic Mobile and Alltel), Sprint (merger of Sprint and Nextel), T-Mobile and Virgin Mobile USA. The largest cellular company in the world is UK-based Vodafone, which includes substantial ownership in Verizon Wireless.
Cell Technology
Geographic areas are divided into a number of slightly overlapping circular "cells." Each cell contains a base station, which is identifiable by its transmitting and receiving antenna located on a tower at the top of a hill or building. The base stations connect to the landline telephone system of the country.
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