The history of cell phonesThe history of cell phones"Mobile phones or mobile phone is a communication device, tape Thailand like home phone, but don't want to. The phone line, so you can now carry a wide variety. Mobile phones use radio waves to communicate with the network through mobile phones. The base station of the mobile phone network by each provider to connect to your network. Home phone and mobile phone networks of other providers.In addition to the current mobile phones have the ability to communicate through sound, the. Such support can be another communication by SMS text, for example, to connect to the Internet, with Multimedia communication, such as MMS, clock, alarm clock, timer, calendar, appointments, spreadsheets, word processing programs, as well as the ability to support Java applications such as games.A mobile phone or a mobile phone as a device to communicate the same tape Thailand home phone but don't want to. The phone line, so you can now carry a wide variety. Mobile phones use radio waves to communicate with the network through mobile phones. The base station of the mobile phone network by each provider to connect to your network. Home phone and mobile phone networks of other providers.In addition to the current mobile phones have the ability to communicate via voice, and also has the ability to communicate with others, such as support. Demands, such as SMS, to connect to the Internet, with Multimedia communication, such as MMS, clock, alarm clock, timer, calendar, appointments, spreadsheets, word processing programs, as well as the ability to support Java applications such as games.The evolution of mobile phones1G era (1st Generation) since the system is primarily analog (Analog) and are divided into smaller frequency channels. In this era, we can use the Voice only. In this era, there was not yet a user needs to use other service.2G era (2nd Generation) because there is a demand and a wide range of aspects. More and more services are developing through radio waves sent from analogue to become digital design allows the user to use the data in addition to voice services. Make this age become a booming era of mobile phone and data services to the very cause other services according to SIM leagues whether it's Download Ringtone Graphic Wallpaper. In this era, but there are also limitations in terms of the speed at which the traffic is low.2.5 G (2.5 Generation) era, then, is between the 2G and the 3G era, that is, 2.5 G 2.5 G in this era that has GPRS technology (General Packet Radio Service) is used to increase the speed at which data is more than 2 G GPRS technology era, can send data at speeds up to 115 kbps, but the speed of GPRS usage will be limited to only about 40 kbps, 2.5 G era is an era that began with the use of the services on the part of the data and text messaging SMS, MMS from specially developed cellular phone began to change from a black and white screen as screen colors. A ringtone is just the Monotone, it is True, as well as various Polyphonic tone.In an era of 2.75 G is the next generation due to GPRS, but the development of the transmission speed increased and technology that can speed up traffic that EDGE (Enhanced Data rates for Global Evolution), which is approximately three times greater than the speed of GPRS or have a maximum speed of about 384 kbps but actual usage speed is approximately 80-100 kbps.3G era (Third Generation) communication technology in the age of 3, it is a technology that combines data and current technology, including wireless data transmission (Wireless) at a higher speed, the era of 2.75 G in addition, 3G can also provide multimedia services. Even more efficient. The content of the application (the Application), as well as a sound system for better service, such as a large File Transfer Service Call Conference Video/music downloads. Watch Streaming TV, various short movies.
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