Search results
Results from the WOW.Com Content Network
Given this growth, telecommunications play an increasingly important role in the world economy and the global telecommunications industry was about a $4.7 trillion sector in 2012. [ 39 ] [ 40 ] The service revenue of the global telecommunications industry was estimated to be $1.5 trillion in 2010, corresponding to 2.4% of the world's gross ...
Telecommunications Equipment Canada 59,973.57 06/14/1999 Qwest Commun Intl Inc Telecommunications Services United States US WEST Inc Other Telecom United States 56,307.03 06/24/1998 AT&T Corp Telecommunications Services United States Tele-Communications Inc Cable United States 53,592.49 07/28/1998 Bell Atlantic Corp Telecommunications Services
A telecommunications network is a group of nodes interconnected by telecommunications links that are used to exchange messages between the nodes. The links may use a variety of technologies based on the methodologies of circuit switching , message switching , or packet switching , to pass messages and signals.
Telecommunications company; ITU-T; Landline; List of mobile network operators. List of mobile network operators of the Americas; List of mobile network operators in Asia and Oceania
Telecommunication – the transmission of signals over a distance for the purpose of communication. In modern times, this process almost always involves the use of electromagnetic waves by transmitters and receivers, but in earlier years it also involved the use of drums and visual signals such as smoke , fire , beacons , semaphore lines and ...
List of telecommunications companies in the Middle East and Africa; Footnotes References. External links. List of all mobile network operators in the World divided by ...
These are the analog telecommunication standards that were introduced in 1979 and the early to mid-1980s and continued until being replaced by 2G digital telecommunications. The main difference between these two mobile telephone generations is that in 1G systems the audio was encoded as analog radio signals (though call set-up and other network ...
Communication system An electronic communications system using electronic signals. A communications system or communication system is a collection of individual telecommunications networks systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole.