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