Total Access Communication System (TACS) and ETACS are variants of Advanced Mobile Phone System (AMPS) which were announced as the choice for the first two UK national cellular systems in February 1983, less than a year after the UK government announced the T&Cs for the two competing mobile phone networks in June 1982. This 1G technology is now obsolete.
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.
Vodafone Romania S.A. is a Romanian telecommunications operator owned by Vodafone Group Plc. It launched in April 1997 as the first GSM network in Romania.
Eircom Limited, trading as Eir, is a large fixed, mobile and broadband telecommunications company in Ireland. The company, which is currently incorporated in Jersey, traces its origins to the Ireland's former state-owned monopoly telecommunication provider Telecom Éireann and its predecessors, P&T and before the foundation of the state, the telecommunications division of the GPO. It remains the largest telecommunications operator in Ireland and has overseas operations focused on the business and corporate telecom markets in the United Kingdom. The company was in majority state ownership until 1999, when it was privatised through a floatation on the Irish and New York Stock Exchanges.
Telecom Éireann was an Irish state-owned telecommunications company that operated from 1983 to 1999. Prior to then a telephone and postal service was provided by the Department of Posts and Telegraphs, as part of the civil service. Telecom Éireann was established by the Postal and Telecommunications Services Act, 1983; its full formal title was "Bord Telecom Éireann or, in the English language, The Irish Telecommunications Board". "Telecom Éireann" may be translated as "Telecom of Ireland". In 1999, the company was privatised and renamed as eircom.
Vodafone Group Plc is a British multinational telecommunications company. Its registered office and global headquarters are in Newbury, Berkshire, England. It predominantly operates services in Asia, Africa, Europe, and Oceania.
A mobile virtual network operator (MVNO) is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers. An MVNO enters into a business agreement with a mobile network operator to obtain bulk access to network services at wholesale rates, then sets retail prices independently. An MVNO may use its own customer service, billing support systems, marketing, and sales personnel, or it could employ the services of a mobile virtual network enabler (MVNE).
Vodafone Ireland Limited, a wholly owned subsidiary of Vodafone Group, is a mobile phone network, broadband and TV provider in Ireland. It was created when the Vodafone Group bought Eircell, the mobile arm of Telecom Éireann. As of September 2019, Vodafone has 26% of broadband subscribers, and 43% of mobile phone subscribers.
Telefónica Ireland was a broadband and telecommunications provider in Ireland that traded under the O2 brand (typeset as O2). O2 Ireland was previously called Esat Digifone when it was owned by Esat Telecommunications (and Telenor) from 1997 to 2006.
1G refers to the first generation of cellular network (wireless) technology. These are mobile telecommunications standards that were introduced in the 1980s and were superseded by 2G. The main difference between these two mobile cellular generations is that the audio transmissions of 1G networks were analog, while 2G networks were entirely digital.
Vodafone Limited, trading as Vodafone UK, is a British telecommunications company, owned by Vodafone Group, the world's eighth-largest telecommunications company. Vodafone is the third-largest mobile network operator in the United Kingdom, with 18.5 million subscribers as of July 2024, after O2 and EE, followed by Three. The country's first cellular phone call was made on the Vodafone network in 1985.
Paktel was the pioneer cellular operator of Pakistan. It was a granted license to carry out cellular phone services in Pakistan and set up by Cable & Wireless. It carried out AMPS services until 2004 when the company switched to GSM technology.
The StarTAC is a series of mobile phones released by Motorola starting in 1996. It is the successor of the MicroTAC, a semi-clamshell design first launched in 1989. Whereas the MicroTAC's flip folded down from below the keypad, the StarTAC folded up from above the display. The StarTAC was among the first mobile phones to gain widespread consumer adoption; approximately 60 million StarTACs were sold.
Wi-Fi calling, also called VoWiFi, refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet, while seamlessly change connections between the two where necessary. This feature makes use of the Generic Access Network (GAN) protocol, also known as Unlicensed Mobile Access (UMA).
Vodafone Hungary is the third largest mobile operator in Hungary. It started operations in 1999 after securing the third GSM 900/1800 MHz licence of the country and it was the first provider operating in the DCS-1800 band in Hungary. Vodafone is the third largest mobile network operator of the country again. The operator had a share of ~27% of the market in Q2 2020. They controlled approx. 27% of the market in December 2019. Market share The full report about the number of subscribers is available on the company website.
The history of the prepaid mobile phones began in the 1990s when mobile phone operators sought to expand their market reach. Up until this point, mobile phone services were exclusively offered on a postpaid basis (contract-based), which excluded individuals with poor credit ratings and minors under the age of 18 In early 1991, Kenneth Johnson of Queens, New York along with Mark Feldman, Pedro Diaz and Kevin Lambright of Alicomm Mobile, was the first to successfully create a prepaid cellular phone and Network. His company expanded to a Sales force from Maine to Florida. Two years later others would come out with similar systems.
Telefonica UK Limited, trading as O2 (stylised as O2), is a British telecommunications services provider, headquartered in Reading, England which operates under the O2 brand. It is owned by VMED O2 UK Limited, a 50:50 joint venture between Telefónica and Liberty Global. O2 is the UK's largest mobile network operator, with 23.8 million subscribers as of July 2024.
Brightroam is a deep discount international roaming mobile provider owned by iRoam Mobile Solutions a subsidiary of Sea Change Corporation. The company is headquartered in Toronto, Ontario, Canada and provides global cellular communications to corporations and individuals at reduced costs associated with international roaming.
Idea Cellular was an Indian telecommunications company based at Mumbai, Maharashtra. It was an integrated GSM operator and had 220.00 million subscribers as of June 2018.
Ting Mobile is an American mobile virtual network operator owned by Boost Mobile. Originally established in February 2012 by Tucows, Ting provides cellular service in the United States using the T-Mobile and Verizon networks. The service is sold off-contract with billing that adjusts the cost of service based on actual customer usage.
