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Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern telephone’s components and traces its historical development.
In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA standards. It improves on those standards' capacity and speed by using a different radio interface and core network improvements.
Wireless communications is the transmission of voice and data without cable or wires. In place of a physical connection, data travels through electromagnetic signals broadcast from sending facilities to intermediate and end-user devices.
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.
Télécommunications. Les télécommunications sont définies comme la transmission d’informations à distance en utilisant des technologies électronique, informatique, de transmission filaire, optique ou électromagnétique. Ce terme a un sens plus large que son acception équivalente officielle « communication électronique ».
May 3, 2024 · International Telecommunication Union (ITU), specialized agency of the United Nations that was created to encourage international cooperation in all forms of telecommunication. Its activities include maintaining order in the allocation of radio frequencies, setting standards on technical and operational matters, and assisting countries in ...
A telecommunications network is a group of nodes interconnected by telecommunications links that are used to exchange messages between the nodes.
