The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP, UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.
A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone that does not impose any SIM restrictions.
Roaming is a wireless telecommunication term typically used with mobile devices, such as mobile phones. It refers to a mobile phone being used outside the range of its native network and connecting to another available cell network.
NMT is an automatic cellular phone system specified by Nordic telecommunications administrations (PTTs) and opened for service on 1 October 1981. NMT is based on analogue technology and two variants exist: NMT-450 and NMT-900. The numbers indicate the frequency bands used. NMT-900 was introduced in 1986 and carries more channels than the older NMT-450 network.
MTS, headquartered in Moscow, is the largest mobile network operator in Russia, operating on GSM, UMTS and LTE standards. Apart from cellular network, the company also offers local telephone service, broadband, mobile television, cable television, satellite television and digital television.
GSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones and other mobile devices.
Kyivstar is a Ukrainian telecommunications company, providing communication services and data transmission based on a broad range of fixed and mobile technologies, including 4G (LTE) services, in Ukraine.
lifecell ) is a Ukrainian telecommunications company based in Kyiv. It is the third largest Ukrainian mobile telephone network operator, covering 98.82% of Ukrainian inhabited territory. Turkcell is the parent company of Lifecell. Lifecell's dialing prefixes are +38063, +38093 and +38073.
O2 Czech Republic (operating under the O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic's largest providers of fully converged services. O2 Czech Republic operates a fixed and mobile network including a 3rd generation network, CDMA (for data), UMTS and EDGE, enabling voice, data and video transmission. O2 Czech Republic is also a provider of ICT services.
Ukrtelecom JSC is Ukraine's monopolist telephone company, also active in the ISP and mobile markets. The company was governed by the Ministry of Transportation and Communications of Ukraine with 92.9% shares belonging to the government until Austrian investment firm EPIC bought a 92.79 percent stake from the Ukrainian government for $1.3 billion. This stake was resold to System Capital Management of Ukrainian oligarch Rinat Akhmetov.
This is a discussion of telephone numbers in Ukraine. The nation of Ukraine has country code +380. It switched to the European Union's common dialing plan in 2009. Thus, Ukrainian phone numbers consist of a 2-digit zone code, an optional subzone code, an optional filler, and the local phone number. However, following the 2022 Russian invasion of Ukraine, the regions of Crimea, Donetsk, and Luhansk were given Russian telephone codes instead, as if they were following telephone numbers in Russia, by Russian authorities.
The Internet in Ukraine is well developed and steadily growing, mostly uninfluenced by the global financial crisis; in April 2012 rapid growth was forecast for at least two more years. As of 2011, Ukraine was ranked 9th in the "Top 10 Internet countries in Europe", with then 33.9% Internet penetration and 15.3 million users; growing to 36.8% in 2012. However, as of January 2021 about 30 million Ukrainians were Internet users.
TriMob LLC d/b/a 3Mob, formerly Ukrtelecom, formerly Utel is a telecommunications company in Ukraine. It is a subsidiary of Ukrtelecom, formerly government-owned fixed phone operator.
Mobile phone industry in Russia is an trade industry of cell phone devices and mobile network services in Russia. Since the collapse of the Soviet Union in the 1991 it had seen a great expansion over the last decades becoming one of the largest in the world. In terms of number of smartphone users, Russia is the 4th biggest smartphone market in the world sitting behind only China, India, and USA.
3G mobile telephony was relatively slow to be adopted globally. In some instances, 3G networks do not use the same radio frequencies as 2G so mobile operators must build entirely new networks and license entirely new frequencies, especially so to achieve high data transmission rates. Other delays were due to the expenses of upgrading transmission hardware, especially for UMTS, whose deployment required the replacement of most broadcast towers. Due to these issues and difficulties with deployment, many carriers delayed acquisition of these updated capabilities.
Skylink is a mobile LTE 450 MHz operator in Russia. Licensed territories of SkyLink include 76 entities of Russia, CDMA-450 and UMTS-1900/2100 licenses in 65 regions, CDMA-450/2000 licenses in 3 regions, GSM-1800 licenses in 45 regions and a GSM-900 license in 1.
AT&T Mexico, S.A.U., also known as AT&T Mexico Wireless and AT&T Mexico Mobility, is a Mexican mobile telephone operator and subsidiary of AT&T. AT&T Mexico is headquartered in Mexico City. Its mobile network is available in 90% of Mexico, serving 13% of the Mexican wireless market. AT&T is the third-largest wireless carrier in Mexico, with 21.603 million subscribers as of December 2022.
The Mobile phone industry in Ukraine started in 1993 in analog, and its digital industry showed rapid growth, although there have been ups and downs.
Vladymyr Lavrenchuk is a Ukrainian banker and top manager. Regional director of NEQSOL Holding Ukraine (2021–present), CEO of Raiffeisen Bank Ukraine (2005–2019), CEO of Ukrinbank (1997–2002).
NEQSOL Holding is an international group of companies active in energy, telecommunications, construction, and high-tech founded by Azerbaijani Nasib Hasanov. Initially focused on the oil and gas sector, the holding has expanded into other areas and now includes entities such as Vodafone Ukraine, Bakcell, Caucasus Online, Nobel Oil Group, Nobel Upstream, and Norm Cement.
