NII Holdings, Inc. is a holding company for the operations of Nextel Communications, Inc. The Company provides wireless communication services under the Nextel brand. It provides its services through operating companies located in Brazil, Mexico, Argentina and Chile, with its principal operations located in business centers and related transportation corridors of these countries. The Company�s networks utilize integrated digital enhanced network, or iDEN, technology developed by Motorola, Inc. to provide its mobile services on its 800 megahertz spectrum holdings in all of its markets. As of December 31, 2013, its operating companies had a total of about 9.49 million subscriber units in commercial service. The Company offers Voice Services, Wireless Data Services, Roaming and International Calling Services and Wireless Devices.