 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.On July 20, 2009 TerreStar completed the first end-to-end satellite-terrestrial phone call over TerreStar-1.