TerreStar Networks
mobile communications provider
TerreStar Networks, a majority owned subsidiary of TerreStar Corporation (TSTR), operated as a wholesale mobile communications provider focused on integrated satellite terrestrial services and hybrid satellite-terrestrial mobile devices.
Overview
TerreStar was to provide a fully integrated satellite and terrestrial mobile network. This network would leverage TerreStar's S band mobile satellite service (MSS) spectrum with an all–IP ground-based open-architecture terrestrial network to provide voice, data and video services to end-users – from government officials and emergency first responders to adventure enthusiasts and consumers in rural communities.
TerreStar used commercial chipset technologies from Qualcomm and Infineon to embed satellite communications capabilities into smartphones that can be carried as everyday phones. Genus was the world's first (and only) Windows Mobile-based quad-band GSM and tri-band WCDMA/HSPA smartphone with integrated all-IP satellite-terrestrial voice and data capabilities, a touch screen and a full QWERTY keyboard. It resembled the now classic Blackberry design with a keyboard under the screen, used an internal antenna for terrestrial communications but required a rather large antenna for satellite communications.
World's Largest Satellite
On July 1, 2009, from French Guiana in South America, TerreStar launched its geosynchronous satellite, TerreStar-1. TerreStar-1 is the world's largest and most advanced commercial communications satellite that will provide communications services across the continental United States, Canada, Puerto Rico, U.S. Virgin Islands, Hawaii and Alaska. The satellite's size along with the extra power and sensitivity of its antenna allows it to communicate to conventionally sized mobile devices.
On July 14, 2009, TerreStar-1 successfully reached its orbital slot (at 111 degrees) in the geosynchronous arc and successfully deployed its 18-meter 2 GHz S Band reflector.
This brief starts where responsible research should: with the source description of “TerreStar Networks” as mobile communications provider. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as mobile communications provider. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 29, 2026. The linked authority identifier is Q16251892. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2009.
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This entry incorporates text from “TerreStar Networks” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.