NII Holdings Inc was incorporated in Delaware in 2000 as Nextel International, Inc. In December 2001, the Company changed its name from Nextel International, Inc. to NII Holdings, Inc. The Company provides wireless communication services under the Nextel brand. It provides services through operating companies located in Brazil, Mexico, and Argentina, with its principal operations located in business centers and related transportation corridors of these countries. It provides its services in urban and suburban centers with high population densities where there is a concentration of the country's business users and economic activity. The Company currently offers mobile telephone voice service; wireless data services, including text messaging services, mobile internet services and email services; push-to-talk services, including Direct Connect, Prip and International Direct Connect services, which allow subscribers to talk to each other instantly; other value-added services, including location-based services, which include the use of Global Positioning System, or GPS, technologies; digital media services; and a wide ranging set of applications available via content management system, as well as the Android open application market; business solutions, such as security, work force management, logistics support and other applications that help business subscribers improve their productivity; and voice and data roaming services outside of coverage areas. It is a full service provider of wireless services, offering customers packages of services and features that combine multiple communications services in one handset, including voice and data services and differentiated push-to-talk services. Its segments include Nextel Brazil and Corporate. The Company's trademark is Nextel. Nextel Brazil's competitors are Vivo, which is owned by Spain's Telefonica and has market share in the Sao Paulo metropolitan area and Rio de Janeiro; Claro, which is controlled by Mexico's America Movil; Telecom Italia Mobile, or TIM, a subsidiary of Italy's Telecom Italia; and TNL PCS S.A., a subsidiary of Telemar Norte Leste, Brazil's wireline incumbent, that offers its services under the brand name Oi.