Claro: Claro Americas is part of América Móvil, a Mexican telecom group serving clients in Argentina, Brazil, Chile, Colombia, Costa Rica, the Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Nicaragua, Panama,Paraguay, Peru, Puerto Rico, Uruguay. The company’s name means “bright”, “clear” or “of course” in Portuguese and Spanish.Headquartered in Córdoba, Argentina, Claro was launched in Argentina, Paraguay and Uruguay on March 25, 2008 in a rebranding of CTI Móvil. As of 31 March 2007 the former served more than 12,795 million subscribers on CDMA/1XRTT and GSM/GPRS/EDGE wireless. GSM-850/1900 (GPRS, EDGE)
850/1900 MHz UMTS, HSDPA,HSPA+,1700 MHz LTE.
Movistar: Movistar is the major Spanish mobile phone operator owned by Telefónica S.A. operating in Spain and in many Latin American countries. It is the largest carrier in Spain with 22 million customers (cellphone services only) and 41.58% of market share. Its principal competitor in Latin America is América Móvil. It offers GSM 900/1800 MHz (Spain) 850/1900 MHz (America) (2G), UMTS900/2100 MHz (Spain) 850/900/1900/2100 MHz (America) (3G) HSDPA (3.5G) and LTE 2600 MHz (Spain) 1700/2600 MHz (America) (4G) services.The Movistar name 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 Móviles purchased the Bell South mobile operations branch in South America.GSM-850/1900 (GPRS, EDGE)1900 MHz UMTS, HSDPA, HSPA+,1700 MHz LTE.
Personal: Telecom Personal S.A., owned by Telecom Argentina, is one of only 3 mobile phone companies in Argentina. Personal used a similar logo to Telecom itself until November 2011, when they switched into a new handwritten logo combined with nine brand colors.Telecom Personal owns 67.5% of Paraguayan mobile provider Núcleo S.A., which started in 1998 and also does business under the brand name Personal.Telecom Argentina has agreed with Uruguayan state telcom ANTEL to operate as a reseller of Ancel services in that country. Mexican mobile phone Claro has asked the national telecommunications regulating entity not to allow Personal to arrive to Uruguay.GSM-1900 (GPRS, EDGE)1900 MHz UMTS, HSDPA, HSPA+
1700 MHz LTE.
Nextel: Nextel Communications, Inc. was a wireless service operator that merged with and continues to exist as a wholly owned subsidiary of Sprint Corporation. Nextel in Brazil is part of NII Holdings, a stand-alone, publicly traded company that is not owned by Sprint Corporation.Nextel Communications traces its roots to the 1987 foundation of Fleet Call by Morgan O’Brien, Brian McAuley, Chris Rogers, and Peter Reinheimer. Fleet Call changed its name to Nextel Communications, Inc. in 1993. Nextel provided digital, wireless communications services, originally focusing on fleet and dispatch customers, but later marketed to all potential wireless customers. Nextel’s network operated in the 800 MHz Specialized Mobile Radio band and used iDEN technology developed by Motorola. Nextel’s iDen network offered a then unique push-to-talk “walkie-talkie” feature in addition to direct dialed voice calls. Nextel was one of the first providers in the United States to offer a national digital cellular coverage footprint.800 MHz iDEN.