EchoStar Mobile Satellite Terminals Hughes designs and develops a wide range of mobile satellite systems and terminals Hughes San Diego, a leader in mobile satellite system communications (MSS), designs and manufactures an array of lightweight portable, fixed and vehicular MSS terminals, ranging from commercial to military grade. In the area of 500,000 user terminals, on land and at sea, have been delivered based upon Hughes San Diego’s innovative MSS technologies. For support, please contact em_ut_support@hughes.com. For sales, please contact EMSales@hughes.com. To learn more about the EchoStar Mobile Network, visit their website at echostarmobile.com. Hughes 4200 Portable Data Terminal Learn More Off Hughes 4510 Satellite/Cellular Terminal Learn More Off Hughes 4500 Satellite Terminal Learn More Off Hughes EM Terminals & Accessories Catalog DOWNLOAD