Brazil has both modern technologies in the center-south portion, counting with LTE, 3G HSPA, DSL ISDB based Digital TV. Other areas of the country, particularly the North and Northeast regions, lack even basic analog PSTN telephone lines. This is a problem that the government is trying to solve by linking the liberation of new technologies such as WiMax and FTTH) only tied with compromises on extension of the service to less populated regions.
Celcom Axiata Berhad, DBA Celcom, is the oldest mobile telecommunications provider in Malaysia. Celcom is a member of the Axiata group of companies. Being one of the very few companies in Malaysia to originally obtain a cellular phone license, it successfully introduced mobile telephony in Malaysia through its ART-900 service, using first generation (analogue) ETACS specifications of the United Kingdom, a derivative of the US-AMPS technology. The ETACS ART-900 was started using the prefix "010". Celcom now uses the dialling prefix identifier of "013" and "019" and offer digital GSM, an originally European standard, now largely a world standard for mobile communications. The original frequency band for GSM is 900 MHz, and was soon extended to 1800 MHz to cater for a much wider bandwidth requirements. The 2100 MHz band is used for their dual-channel HSPA+ network. Celcom is also licensed and has been operating FDD-LTE on 1800 MHz and 2600 MHz.
Bell Mobility Inc. is a Canadian LTE and HSPA+ based wireless provider and the division of Bell Canada which offers wireless services across Canada. Bell Mobility and its affiliates combined have 9.5 million subscribers as of the end of Q3 2018, making it Canada's second largest wireless carrier.
Verizon Wireless is an American telecommunications company which offers wireless products and services. It is a wholly owned subsidiary of Verizon Communications. Verizon Wireless is estimated to provide service to 154 million subscribers as of 2018. Verizon Wireless is the second largest wireless telecommunications provider in the United States behind AT&T.
4G is the fourth generation of broadband cellular network technology, succeeding 3G. A 4G system must provide capabilities defined by ITU in IMT Advanced. Potential and current applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, and 3D television.
Rogers Wireless Inc. is a Canadian wireless telephone company headquartered in Toronto, providing service nationally throughout Canada. It is Canada’s largest wireless carrier, with 10.8 million subscribers as of Q4 2018, and revenues of just under $15.1 billion in 2018. It is a wholly owned subsidiary of Rogers Communications.
TracFone Wireless, Inc. (TFWI) is an American prepaid, no-contract mobile phone provider. TFWI is a subsidiary of Mexico's largest telecommunications company, América Móvil, and offers products and services under several brands. It operates as a mobile virtual network operator (MVNO), holding agreements with the United States' largest wireless network operators to provide service, including Verizon Wireless, AT&T Mobility, T-Mobile US, Sprint Corporation, and U.S. Cellular. TracFone Wireless had 25.668 million subscribers in 2015.
Digi Telecommunications or Digi.Com Berhad, is a mobile service provider in Malaysia. Its largest shareholder is Telenor ASA of Norway with 49%. On 24 May 1995 Digi became the first telco in Malaysia to launch and operate a fully digital cellular network.
TELUS Mobility is a division of Telus which sells wireless services in Canada on its numerous networks. It operates networks using HSPA+, and LTE on its mainstream networks. As of Q2 2019, Telus Mobility is Canada's third-largest cellphone provider with a subscriber base of 9.9 million .
Sprint Corporation was an American telecommunications company and is a current brand of T-Mobile US for wireless and internet services. It was the fourth-largest mobile network operator in the United States and served 54.3 million customers as of June 30, 2019, before its acquisition by T-Mobile on April 1, 2020. The company also offered wireless voice, messaging, and broadband services through its various subsidiaries under the Boost Mobile and Open Mobile brands and wholesale access to its wireless networks to mobile virtual network operators. In July 2013, a majority of the company was purchased by the Japanese telecommunications company SoftBank Group Corp., Sprint is no longer trading on the New York Stock Exchange. Sprint uses CDMA, EvDO, 4G LTE, and 5G NR networks. Sprint was incorporated in Kansas.
Metro by T-Mobile is a prepaid brand owned by T-Mobile USA. It previously operated the fifth largest mobile telecommunications network in the United States using code-division multiple access (CDMA). In 2013, the carrier engaged in a reverse merger with T-Mobile USA; post-merger, its services were merged under T-Mobile's 4G and LTE network.
Multimedia Broadcast Multicast Services (MBMS) is a point-to-multipoint interface specification for existing and upcoming 3GPP cellular networks, which is designed to provide efficient delivery of broadcast and multicast services, both within a cell as well as within the core network. For broadcast transmission across multiple cells, it defines transmission via single-frequency network configurations. The specification is referred to as Evolved Multimedia Broadcast Multicast Services (eMBMS) when transmissions are delivered through an LTE network. eMBMS is also known as LTE Broadcast.
Ice Wireless is a Canadian mobile network operator and telecommunications company that provides 4G/LTE mobility services, mobile broadband Internet, and fixed line telephone in Canada's northern territories: Yukon, the Northwest Territories, Nunavut, and Nunavik, Quebec. The company’s corporate headquarters are located in Markham, Ontario.
Iowa Wireless Services LLC, doing business as iWireless, was a mobile network operator founded in 1997, not related to Kroger's service. Headquartered in Urbandale, Iowa, iWireless was a partnership between T-Mobile US, Inc. and Iowa Network Services Inc. iWireless owned licenses to operate GSM cellular networks in the PCS-1900 and AWS-1700 radio frequency bands covering Iowa, southwestern Wisconsin and northwestern Illinois. iWireless had over 250 full-service company stores and authorized dealers across Iowa, western Illinois, and eastern Nebraska. Iwireless was deactivated on October 1,2018 by Tmobile.
In telecommunications, Long-Term Evolution (LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA technologies. It increases the capacity and speed using a different radio interface together with core network improvements. The standard is developed by the 3GPP and is specified in its Release 8 document series, with minor enhancements described in Release 9. LTE is the upgrade path for carriers with both GSM/UMTS networks and CDMA2000 networks. The different LTE frequencies and bands used in different countries mean that only multi-band phones are able to use LTE in all countries where it is supported.
T-Mobile US, Inc., commonly shortened to T-Mobile, is an American wireless network operator; its largest shareholder is the German telecommunications company Deutsche Telekom (DT) with a 43% share, with Japanese conglomerate holding company SoftBank Group partially owning the company as well at a 24% share. The remaining 33% share of the company is owned by the public through common stock. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area. T-Mobile is the third-largest wireless carrier in the United States, with 86.0 million customers as of the end of Q4 2019.
The mobile phone industry in the United States is covered in this article. Mobile phones are commonly referred to as smartphones or cell phones.
Voice over Long-Term Evolution (VoLTE) is a standard high-speed wireless communication for mobile phones and data terminals, including Internet of things (IoT) devices and wearables. It is based on the IP Multimedia Subsystem (IMS) network, with specific profiles for control and media planes of voice service on the LTE wireless broadband service defined by GSMA in PRD IR.92. This approach results in the voice service being delivered as data flows within the LTE data bearer, with no dependency on the circuit-switched voice network to be in the call path. VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are smaller than those of unoptimized VoIP/LTE.
Flow is a trade name of the Caribbean telecom Cable & Wireless Communications (CWC), used to market cable television, internet, telephone, and wireless services provided by the company. Flow operates services in Barbados, Jamaica, the Cayman Islands, St. Kitts and Nevis, Trinidad and Tobago, Montserrat, Dominica, Antigua & Barbuda, St. Vincent, St. Lucia, Grenada, Anguilla, Curaçao, the Turks and Caicos Islands and the British Virgin Islands.
