cellular radiotelephone

См. также в других словарях:

• 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

• 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

• cellular telephone — noun a hand held mobile radiotelephone for use in an area divided into small sections, each with its own short range transmitter/receiver • Syn: ↑cellular phone, ↑cellphone, ↑cell, ↑mobile phone • Derivationally related forms: ↑cell phone (for: ↑ …   Useful english dictionary

• cellular phone — noun a hand held mobile radiotelephone for use in an area divided into small sections, each with its own short range transmitter/receiver • Syn: ↑cellular telephone, ↑cellphone, ↑cell, ↑mobile phone • Derivationally related forms: ↑cell phone… …   Useful english dictionary

• cellular — I. adjective Etymology: New Latin cellularis, from cellula living cell, from Latin, diminutive of cella small room Date: circa 1739 1. of, relating to, or consisting of cells 2. containing cavities ; having a porous texture < cellular rocks > 3.… …   New Collegiate Dictionary

• radiotelephone — noun 1. telephony that uses transmission by radio rather than by wire • Syn: ↑radiotelephony, ↑wireless telephone • Derivationally related forms: ↑radiotelephonic (for: ↑radiotelephony), ↑radiotelephonic …   Useful english dictionary

• 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

• Air-ground radiotelephone service — is a method of telephone communications used by aircraft pilots and passengers of commercial airline jets flying over the United States.The air ground radiotelephone service operates on frequencies designated by the Federal Communications… …   Wikipedia

• Nortel Matra Cellular — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …   Wikipédia en Français

• Personal Digital Cellular — Le Personal Digital Cellular, plus communément appelé PDC est une technique de téléphonie mobile de seconde génération utilisée au Japon. Il s agit d une technique basée sur le TDMA (Time Division Multiple Access) à l instar du GSM qui a été… …   Wikipédia en Français

• 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