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TerreStar is building North America's first all-IP enabled, next generation mobile communications network over an integrated satellite-terrestrial system. The network will provide universal access and tailored applications to millions of users throughout North America via mass market commercial wireless devices.

TerreStar's system will operate in two 10-Mhz blocks of contiguous spectrum in the 2 GHz band throughout the United States and Canada. The company's spectrum footprint will cover a total population of nearly 330 million. (click here for coverage map)

The company's first satellite, TerreStar-I, currently under construction by Space Systems/Loral, will be the world's largest and most powerful commercial satellite ever deployed. With an antenna almost 60 feet across, and up to 500 dynamically-configurable spot beams, TerreStar-I will surpass current satellites in terms of signal sensitivity and the number of spot beams it can generate.

The satellite's powerful antenna will enable TerreStar to deliver services over a broad range of commercially available consumer-style wireless devices utilizing existing commercial chip technology including cell phones, PDAs, laptops and legacy devices such as Land Mobile Radios (LMRs)-effectively outdating bulky and cumbersome satellite phones.

In high-density urban areas, TerreStar will leverage industry-leading land-based technology to construct a series of ground-based cellular tower antennas (Ancillary Terrestrial Component or ATC facilities) to ensure seamless connectivity when it is needed most.

TerreStar's innovative network management techniques based on adaptations of existing cellular/PCS system technologies will enable mobile devices to transition seamlessly (bi-directionally) between terrestrial and satellite modes.

TerreStar is developing critical bridging technology to provide interoperability across legacy Land Mobile Radio (LMR) systems and cellular, satellite and land-based communications as well as TerreStar's core IP-enabled wireless network.