portable radiotelephone

См. также в других словарях:

• Portable communications device — See also: Mobile device Portable communications devices refer to hand held or wearable devices. For example, the Walkie Talkie is a device that is hand held when in use, and wearable when not in use. Portable telephones (cellular telephones) are… …   Wikipedia

• AN/PRC-77 Portable Transceiver — AN/PRC 77 Radio Set is a manpack, portable VHF FM combat net radio transceiver manufactured by Associated Industries [http://www.associated ind.com/] , Manufacturer s website.] and used to provide short range, two way radiotelephone voice… …   Wikipedia

• cellular network — Any of the networks enabling mobile telephones to connect to the main telephone system. Originally established in the UK jointly by British Telecom and Securicor (as Cellnet), it consists of a number of adjacent cells, each containing a transmit… …   Big dictionary of business and management

• портативная радиотелефонная станция — мобильная радиотелефонная станция — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом Синонимы мобильная радиотелефонная станция EN portable radiotelephone… …   Справочник технического переводчика

• téléphone — [ telefɔn ] n. m. • 1834 « appareil acoustique »; répandu v. 1880; de 1. télé et phone 1 ♦ Instrument qui permet de transmettre à distance des sons, par l intermédiaire d un dispositif approprié, suivi d un circuit électrique et d un récepteur.… …   Encyclopédie Universelle

• TÉLÉCOMMUNICATIONS - La révolution numérique — En France, à partir de 1970, la technique dite numérique a été introduite dans les centraux téléphoniques et les systèmes de transmission sur câbles puis sur faisceaux hertziens (liaisons radioélectriques à très hautes fréquences) pour remplacer… …   Encyclopédie Universelle

• 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

• Téléphonie mobile — La téléphonie mobile, ou téléphonie cellulaire est un moyen de télécommunication par téléphone sans fil. Ce moyen de communication s est largement répandu à la fin des années 1990. La technologie associée bénéficie des améliorations des… …   Wikipédia en Français

• Amateur radio station — Fixed ground station of a German amateur radio operator An amateur radio station is an installation designed to provide radiocommunications in the amateur radio service for an amateur radio operator. Radio amateurs build and operate several types …   Wikipedia

• Mobile phones on aircraft — As of 2011, most airlines do not allow the use of mobile phones on aircraft, because it is thought they could adversely affect the navigational instruments in the cockpit. Because of this, the airline personnel require that such devices be turned …   Wikipedia

• Cellular network — Top of a cellular radio tower A cellular network is a radio network distributed over land areas called cells, each served by at least one fixed location transceiver known as a cell site or base station. When joined together these cells provide… …   Wikipedia