| Since the 1980s, mobile phones has changed from an | | | | The second generation mobile phones had |
| costly item used by business types to a very popular | | | | severaladvantages over 1g devices. These included |
| communications device that is used by much of the | | | | text messaging, which became possible on gsm |
| population. in actual fact, these days, mobile | | | | networks initially and eventually on most digital |
| telephone outnumber land line phones in numerous | | | | networks. the first machine-sent message was sent |
| countries. | | | | in the uk in 1991. the first person-to-person text |
| Forget about alexandra graeme bell. On 3rd april 1973, | | | | message was sent in 1993 in finland. sms messaging |
| dr martin cooper, a motorola employee, placed a call | | | | soon became the preferred method of |
| to rival Joel Engel, who was head of research at | | | | communication and the general public now prefer |
| AT&T's Bell Labs. doctor Martin made the phone call | | | | sending text messages to making voice calls. |
| while he was walking the streets of new york city | | | | The earliest pre commercial 3-g mobile phone |
| and did so through the first Motorola DynaTAC | | | | network was launched in japan in may 2001. later, 3-g |
| prototype in front of reporters. motorola has a long | | | | was commercially released in Japan on 1 october |
| history of making radios for vehicles, particularly two | | | | 2001. |
| way radios for taxis and police cars. however, | | | | 3-g is the third generation of mobile phone standards |
| recognisable mobile phones with direct dialing have | | | | & technology, which succeeded 2-g mobile |
| existed since the fifties at least. | | | | technology. the arrival of 3g technologies enabled |
| The very earliest mobile telephones were named first | | | | network operators including orange to offer their |
| generation telephones, also called 1-g. The 1-g era | | | | users a larger range of more advanced services. This |
| lasted from the late 1970s through to the 1980s. | | | | includes broadband wireless internet, in addition to |
| these items were the first genuine mobile telephones, | | | | high tech video calls. |
| although they were then called cellular mobile radio | | | | Despite the success of 3-g, there has also been lots |
| telephones, & were based on analogue signals. the | | | | of complaints about it. These include criticism over |
| use of an analogue signal was the difference | | | | the cost of 3-g phones, a lack of network coverage |
| between these first generation mobile telephones & | | | | because it's still a relatively new service & the |
| their second generation cousins, which emerged a | | | | amount of power that 3g phones use. |
| few years later. | | | | Since the launch of 3g mobile telephone technology. |
| Second generation, also known as 2-g, mobile phones | | | | people have been discussing 4g. 4g technology will |
| were introduced in the 1990s. 2-g telephone systems | | | | mark the future of mobile telephones, creating the |
| were different because of their use of digital | | | | most developed handsets and perfectservices to |
| transmission and the introduction of advanced and | | | | date. in fact, one of the next services to be |
| quick telephone to network signals. | | | | developed is thought to be live streaming of tv & |
| The entrance of 2-g systems saw phones move | | | | radio shows to 3-g handsets is and shops including |
| from friendly 1g phones to little handheld devices, | | | | real and disney recently announcing that they'll be |
| which were much more portable. this change was | | | | offering these services. |
| made possible through improvements in technology | | | | Ultimately, even though the history of mobile phones |
| for instance more advanced batteries and energy | | | | they've come a long way in the last few years, it |
| efficient electronics. | | | | also shows that they'll go even further still. |