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Difference between revisions of "cellphone"
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| − | + | A '''cellphone''' or '''mobile phone''' is an electronic [[telecommunications]] device with the same basic capability as a conventional [[landline|fixed line]] [[telephone]], but which is also almost entirely [[portable]] and is not required to be connected with a wire to the [[Public Switched Telephone Network|telephone network]]. Most | |
| − | + | current cellphones connect instead to the network using a wireless [[radio wave]] [[transmission (telecommunications)|transmission]] technology. The | |
| − | A '''cellphone''' is an electronic [[telecommunications]] device with the same basic capability as a conventional [[landline|fixed line]] [[telephone]], but which is also entirely [[portable]] and is not required to be connected with a wire to the [[Public Switched Telephone Network|telephone network]]. Most | + | cellphone communicates via a [[telecommunications network|network]] of [[base station]]s which are in turn linked to the conventional [[telephone]] network. |
| − | current | + | |
| − | + | ||
In addition to the standard voice function of a [[telephone]], a | In addition to the standard voice function of a [[telephone]], a | ||
| − | + | cellphone can support many additional [[GSM services|services]] such as [[Short message service|SMS]] for text messaging, [[packet switching]] for access to the [[Internet]] and [[Multimedia Messaging System|MMS]] for sending and receiving photos and video. | |
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| + | ==See also== | ||
| + | * [[satellite phone]] | ||
[[Category:Electronics]] | [[Category:Electronics]] | ||
Latest revision as of 00:30, 5 February 2006
A cellphone or mobile phone is an electronic telecommunications device with the same basic capability as a conventional fixed line telephone, but which is also almost entirely portable and is not required to be connected with a wire to the telephone network. Most current cellphones connect instead to the network using a wireless radio wave transmission technology. The cellphone communicates via a network of base stations which are in turn linked to the conventional telephone network.
In addition to the standard voice function of a telephone, a cellphone can support many additional services such as SMS for text messaging, packet switching for access to the Internet and MMS for sending and receiving photos and video.
