What is a 3G phone and how useful it is for us

We live and move in the world of information flows, making dozens of phone calls, while not always being in the office or at home, in one way or another confronted with the 3G standard (the abbreviation of the English. "third generation"). Let us ask ourselves: ‘What is 3G phone.”

Europe is guided by a special "dialect" of this standard-UMTS, which is a compromise between better CDMA standard, and has great coverage and the number of GSM subscribers. 3G networks operate in the UHF band, around 2 GHz, with data transmission rate of 1–3 Mbit/s To the basic services of 3G networks classifies voice and data transmission. This critical range of services for low privacy, remembering the previous standard, do not understand what is 3G in phone now. Now transfer data at high speed provides communication of both the business sphere (e-mail, video conferencing, remote access to databases, management of Bank account) and personal interests (games, social networks, multimedia systems, Internet purchases). The transmission speed varies in inverse proportion to the velocity of the object. In the case of finding on the spot - 2048 Kbit/s, when moving with a speed of 3 km/h – 348 Kbit/s, up to 120 km/h - 144 Kbit/sec. Popular among users enjoys unlimited Internet mobile offering them the opportunity for a fixed monthly fee unlimited use of the resources of the global network. Many people wonder, “How to choose operator?” the Answer is simple. First, determine whether you are satisfied with its coverage. Then rate the provider's tariffs. Then make a decision.

But 3G the Internet - what is it? Not only mobile phones. If you have a PC, netbook, laptop, to connect to the wireless Internet you need a 3G modem. The most versatile is the USB modem connected directly to a USB port on your computer. Except him possible options ExpressCard, PCMCIA. For subsequent reliable reception of a signal is the fundamental quality of the considered device, its frequency range, speed of signal transmission. Well, if the nearest tower of the service provider is close. When the distance of 10-50 km stable operation of the modem will provide 3G passive antenna. Internal it will increase by 5-10 decibels, but sometimes need an external, more powerful. For this you can use 3G Wi-Fi router. Please note that for the three frequency bands of 3G Internet: 450, 800, 2100 MHz - the corresponding selected modem with antenna.

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Rapidly developing market of modern smartphones and communicators. This “classic” devices that illustrate what is 3G in phone. They, in addition to its voice, has a built-in 3G modem, support information exchange with WWW. At the forefront of progress are HTC and Samsung (Android) and Apple (iOS).

Today is gaining popularity among users of mobile devices with larger screens-tablets. This device may contain integrated 3G modem (which I recommend, especially if a manufacturer – China), if not - then you need to buy it. Possible “failure” drivers separately purchased modem.

The Dialectics of the scientific and technological revolution, deep understanding of scholars question “what is 3G phone” led to the next step - 4G. Despite the existing potential, 3G is only a separate stage of global development. 4G technology, which is also called LTE (Long TermEvolution), upgrading the existing network, increasing the speed and volume of transmitted information. Norway and Sweden were pioneers of new technology. Further development there is no alternative: the Russian basic providers «Beeline" MTS “MegaFon” have already begun work under the international agreement for communication services in the LTE standard.