Radiotelephone — A radiotelephone is a communications device that allows two or more people to talk using radio. There is disagreement about the definition of the term. There is a conflict between British English usage, American English usage, and historic use.… … Wikipedia
AMR radiotelephone network (Czechoslovakia) — The very first analog mobile radio telephone in Czechoslovakia (and in the whole Eastern Bloc) was AMR (sometimes AMRAD), in Czech language Automatizovaný městský radiotelefon ( Automatic City Radiotelephone ).The system was developed by company… … Wikipedia
Cordless telephone — A cordless telephone with base. A cordless telephone or portable telephone is a telephone with a wireless handset that communicates via radio waves with a base station connected to a fixed telephone line, usually within a limited range of its… … Wikipedia
T-Mobile — International AG Type Private (subsidiary of Deutsche Telekom AG) Industry Telecommunications Founded 1990 … Wikipedia
Digital television in Canada — (more specifically, digital terrestrial television in Canada or digital over the air television (OTA) in Canada) is transmitted using the ATSC standards developed for and in use in the United States. Because Canada and the U.S. use the same… … Wikipedia
Digital television transition in the United States — Further information: Digital television transition The DTV (an abbreviation of digital television, also called digital broadcast) transition in the United States was the switchover from analog (the traditional method of transmitting television… … Wikipedia
Digital television transition — The digital television transition is the process in which analog television broadcasting is converted to and replaced by digital television. This primarily involves both TV stations and over the air viewers; however it also involves content… … Wikipedia
Digital television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB … Wikipedia
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany … Wikipedia
History of mobile phones — This history of mobile phones chronicles the development of handheld radio telephone technology from two way radios in vehicles to handheld cellular phones.In the beginning, two way radios (known as mobile rigs) were used in vehicles such as… … Wikipedia