Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October 13, 1983, and was deployed in many other countries too, including Israel in 1986, Australia in 1987, Singapore in 1988, and Pakistan in 1990. It was the primary analog mobile phone system in North America through the 1980s and into the 2000s. As of February 18, 2008, carriers in the United States were no longer required to support AMPS and companies such as AT&T and Verizon Communications have discontinued this service permanently. AMPS was discontinued in Australia in September 2000, in Pakistan by October 2004, in Israel by January 2010, and Brazil by 2010.
Telecommunications in Botswana include newspapers, radio, television, fixed and mobile telephones, and the Internet.
Present-day telecommunications in Canada include telephone, radio, television, and internet usage. In the past, telecommunications included telegraphy available through Canadian Pacific and Canadian National.
Telecommunications in Rwanda include radio, television, fixed and mobile telephones, and the Internet.
The telecommunication infrastructure of Singapore spans the entire city-state. Its development level is high, with close accessibility to the infrastructure from nearly all inhabited parts of the island and for all of the population, with exceptions. Today, the country is considered an international telecommunications hub, an achievement that was driven by Singapore's view that high-quality telecommunications is one of the critical factors that support its economic growth.
The economy of Zimbabwe mainly relies on the tertiary sector of the economy, also known as the service sector of the economy, which makes up to 60% of total GDP as of 2017. Zimbabwe has the second biggest Informal economy in the world as a percentage of its economy, with a score of 60.6%. Agriculture and mining largely contribute to exports. The economy of Zimbabwe grew at an average of 12% from 2009 to 2013, rendering it one of the fastest growing economies in the world. It had recovered from its negative growth from 1998 to 2008, before it slowed to 0.7% growth in 2016.
Communications in Zimbabwe refers to the communication services available in Zimbabwe.
The liberalization of Bangladesh's telecommunications sector began with small steps in 1989 with the issuance of a license to a private operator for the provision of inter alia cellular mobile services to compete with Bangladesh Telegraph and Telephone Board (BTTB), the previous monopoly provider of telecommunications services within Bangladesh. Significant changes in the number of fixed and mobile services deployed in Bangladesh occurred in the late 1990s and the number of services in operation has subsequently grown exponentially in the past five years.
Telecommunications in Cuba consists mainly of NTSC analog television, analog radio, telephony, AMPS, D-AMPS, and GSM mobile telephony, and the Internet. Telephone service is provided through ETECSA, mobile telephone service is provided through the Cellular Telephone Company of Cuba (CUBACEL) and, previously, Caribbean Cellular. Cuba's main international telecommunications links are through Intersputnik, with limited effectiveness of undersea telephone cables to the Americas, Spain, and possibly Italy due to underdevelopment.
Globalstar, Inc. is an American satellite communications company that operates a low Earth orbit (LEO) satellite constellation for satellite phone and low-speed data communications. The Globalstar second-generation constellation consists of 24 low Earth orbiting (LEO) satellites.
Comcast Corporation, headquartered in Philadelphia, is the largest American multinational telecommunications conglomerate. It is the second-largest broadcasting and cable television company in the world by revenue, the largest pay-TV company, the largest cable TV company and largest home Internet service provider in the United States, and the nation's third-largest home telephone service provider. It provides services to U.S. residential and commercial customers in 40 states and the District of Columbia. As the parent company of the international media company NBCUniversal since 2011, Comcast is a producer of feature films for theatrical exhibition, and over-the-air and cable television programming.
NTT Docomo, Inc. is a Japanese mobile phone operator. The name is officially an abbreviation of the phrase, "do communications over the mobile network", and is also from a compound word dokomo, meaning "everywhere" in Japanese. Docomo provides phone, video phone, i-mode (internet), and mail services. The company's headquarters are in the Sanno Park Tower, Nagatachō, Chiyoda, Tokyo. NTT Docomo is the largest wireless carrier in Japan, with 82.632 million subscribers as of March 2021.
SK Telecom Co., Ltd. is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008. SK Telecom is the largest wireless carrier in South Korea, with 27.019 million subscribers as of Q4 2017.
GCI Communication Corp (GCI) is a telecommunications corporation operating in Alaska. Through its own facilities and agreements with other providers, GCI provides cable television service, Internet access, wireline (networking) and cellular telephone service. It is a subsidiary of Colorado-based company Liberty Broadband, a company affiliated with Liberty Media that also owns a 26% interest in Charter Communications, having been originally acquired by Liberty in 2015.
Hughes Network Systems, LLC is a wholly owned subsidiary of EchoStar. It is headquartered in Germantown, Maryland and provides satellite internet service. HughesNet has over 1.3 million subscribers in the Americas.
Telecommunications in Angola include telephone, radio, television, and the Internet. The government controls all broadcast media with a nationwide reach.
A mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Modern mobile telephone services use a cellular network architecture and, therefore, mobile telephones are called cellular telephones or cell phones in North America. In addition to telephony, digital mobile phones (2G) support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications, business applications, video games and digital photography. Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones.
T-Mobile US, Inc. is an American wireless network operator headquartered in Overland Park, Kansas and Bellevue, Washington, U.S. Its largest shareholder is a multinational telecommunications company Deutsche Telekom AG, which as of August 2022, holds 48.4 percent of the common stock. T-Mobile US is the second-largest wireless carrier in the United States, with more than 110 million subscribers as of the end of Q2 2022.
Digital Telecommunications Phils., Inc., commonly known as Digitel, was the second-largest fixed-line and the third-largest mobile telecommunications company in the Philippines. It was also the company that owned Sun Cellular, a mobile phone service.
TelOne Zimbabwe is a parastatal telecommunications company owned by the Zimbabwe government headquartered in Harare's Central Business District. It is the largest telecom entity in Zimbabwe and has the second largest fixed-line network in Southern Africa after Telkom South Africa.
