| A mobile phone or cell phone is an electronic | | | | to late 1980s, most cell phones were |
| telecommunications piece of equipment. The | | | | sufficiently big that they were time and |
| majority of current cell phones connect to | | | | again permanently installed in vehicles as |
| the network using a wireless radio wave | | | | car phones. In the midst of the advance of |
| transmission technology, although satellite | | | | miniaturization, at this time the vast |
| phones are exceptions. These cell phones | | | | majority of cell phones are handheld.Features |
| communicate by means of a cellular network of | | | | of a cell phone |
| base stations, which are known as cell sites, | | | | |
| which is in turn linked to the conventional | | | | In addition to the usual voice function of a |
| telephone network and were first introduced | | | | telephone, a cell phone can hold up many |
| in the early to mid 1980s, the so called 1G | | | | additional services such as SMS for text |
| generation.Earlier cell phones operating | | | | messaging, packet switching for access to the |
| without a cellular network, the so-called 0G | | | | Internet, and MMS for transferring and |
| generation, such as Mobile Telephone Service, | | | | receiving photos and video. |
| date back to 1946. In anticipation of the mid | | | | |