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 NextelTM 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 include mobile telephone voice service; wireless data services; push-to-talk services; other value-added services; business solutions; and voice and data roaming services. Its products, services and solutions include voice services, wireless data services, roaming and international calling services, and wireless devices. Within the voice services, the Company offers traditional mobile telephony services with calling features which includes voicemail, call waiting, call forwarding and three-way calling. Its voice services also include push-to-talk services. Within its wireless data services, the Company offers a variety of wireless data services and solutions that are designed to help customers increase productivity through the delivery of real-time information to mobile workers anytime and anywhere. Within the roaming and international calling services, the Company has entered into domestic and international roaming arrangements with operators of compatible networks to allow customers using services supported by its new networks to roam in areas within the markets that it does not currently serve and in countries around the world with the deployment and expansion of WCDMA networks in Brazil and Mexico. The Company offers its customers wireless handsets, including smartphones and other feature phones capable of supporting its push-to-talk services on both WCDMA and iDEN networks. Its smartphone portfolio includes devices that enable the subscribers to access the internet on their handsets. Additionally, it also offers mobile broadband devices, including data air cards and personal WiFi access devices, or MiFi, to the subscribers in Brazil and Mexico on WCDMA and LTE networks. The Company's reportable segments are Brazil, Mexico and Argentina. In the countries in which the Company operates it competes with two multinational providers of mobile wireless voice communications; America Movil and Telefonica. It competes with regional or national providers of mobile wireless voice communications including Telemar's Oi in Brazil, Telecom Italia Mobile, or TIM, in Brazil and Personal in Argentina, and Iusacell in Mexico.