Motorola, Inc. (NYSE: MOT) is an American, multinational, Fortune 100, telecommunications company based in Schaumburg, Illinois. It is a manufacturer of wireless telephone handsets, and also designs and sells wireless network infrastructure equipment such as cellular transmission base stations and signal amplifiers. Motorola's home and broadcast network products include set-top boxes, digital video recorders, and network equipment used to enable video broadcasting, computer telephony, and high-definition television. Its business and government customers consist mainly of wireless voice and broadband systems used to build private networks and public safety communications systems like Astro and Dimetra. Motorola's handset division is now focusing on smartphones using Google's open-source Android mobile operating system. The First phone to use the newest version of Google's open source OS, Android 2.0, was released on November 6, 2009 as the Motorola Droid.