|
Movistar Sports 4 HD
Movistar () is a major telecommunications provider owned by Telefónica, operating in Spain and Hispanic American countries. It is the largest provider of landline, broadband, mobile services, and pay television (Movistar+) in Spain. Movistar is the second-largest wireless carrier in Mexico, with 25.8 million subscribers as of January 2020. History The Movistar brand has been in use in Spain since the launch of GSM services in 1995. The name became effective worldwide on April 5, 2005, after Telefónica purchased the BellSouth mobile operations branch in South America. After the purchase of O2 in 2005 by Telefónica, the company announced that the «O2» brand would continue to be used in the United Kingdom and Germany, as a separate branch with its own board and management structure. Since 2011, Telefónica has sponsored a UCI ProTeam squad in cycling under the name of . Countries where Telefónica operates under the Movistar brand * Argentina (formerly Telefónica Unifón ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telecommunications
Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that feasible with the human voice, but with a similar scale of expediency; thus, slow systems (such as postal mail) are excluded from the field. The transmission media in telecommunication have evolved through numerous stages of technology, from beacons and other visual signals (such as smoke signals, semaphore telegraphs, signal flags, and optical heliographs), to electrical cable and electromagnetic radiation, including light. Such transmission paths are often divided into communication channels, which afford the advantages of multiplexing multiple concurrent communication sessions. ''Telecommunication'' is often used in its plural form. Other examples of pre-modern long-distance communication included audio messages, such as coded drumb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
