radio telephone system
71Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …
72Mobile Telephone Service — The Mobile Telephone Service (MTS) is a pre cellular VHF radio system that links to the Public Switched Telephone Network (PSTN). MTS was the radiotelephone equivalent of land dial phone service. As of 2005[update], only rural and wilderness… …
73American Telephone & Telegraph — For other companies with similar names, see AT T (disambiguation). Infobox Company company name = AT T Corporation company logo = type = Private (Subsidiary of AT T Inc.) foundation = 1885 location = Bedminster, New Jersey, United States industry …
74Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… …
75Bell Telephone Company — The Bell Telephone Company, a common law joint stock company, was organized in Boston, Massachusetts on July 9, 1877 by Alexander Graham Bell s father in law Gardiner Greene Hubbard, who also helped organize a sister company the New England… …
76International Bell Telephone Company — The International Bell Telephone Company (IBTC) of Brussels, Belgium, was created in 1879 by the National Bell Telephone Company of Boston, Massachusetts, United States, initially to sell imported telephones and switchboards in Continental Europe …
77Norwegian Public Safety Radio — Nødnett …
78University Radio Essex — is a campus radio station at the University of Essex serving Wivenhoe Park in Colchester. It was one of the original University radio stations in the UK and with the other pioneering campus radio stations at York, Brunel, Loughborough, Sussex,… …
79Advanced Mobile Phone System — Motorola DynaTAC 8000X AMPS mobile phone Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1983,[1] …
80New England Telephone and Telegraph Company — The New England Telephone and Telegraph Company was a very early company set up to develop the then new telephone. New England Telephone and Telegraph lasted only a year as a separate entity, from 1878 to 1879, and had no direct relationship with …
