cellular mobile radio

См. также в других словарях:

• Mobile radio telephone — systems preceded modern cellular mobile telephony technology. Since they were the predecessors of the first generation of cellular telephones, these systems are sometimes retroactively referred to as pre cellular (or sometimes zero generation)… …   Wikipedia

• Mobile radio — This article is about professional equipment. For mobile radios used in amateur radio, see amateur radio mobile operation. Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies, and… …   Wikipedia

• Professional Mobile Radio — (also known as Private Mobile Radio (PMR) in the UK and Land Mobile Radio (LMR) in North America) are field radio communications systems which use portable, mobile, base station, and dispatch console radios and are sometimes based on such… …   Wikipedia

• Land Mobile Radio System — (LMRS) is a term that denotes a wireless communications system(s) intended for use by terrestrial users in vehicles (mobiles) or on foot(portables). Such systems are used by emergency first responder organizations, public works organizations, or… …   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

• Cellular concepts — There are multiple concepts behind mobile phones, including the physics behind the network and towers that connect the cellular phones.The conceptThe concept of cellular radio can be used to explain the diffening receptions at various… …   Wikipedia

• Mobile Satellite Ventures — (MSV) is a Reston, VA company that develops telecommunications systems that integrate satellite and terrestrial radio communication technologies into one system. History Motient Corporation was founded in 1988 as American Mobile Satellite… …   Wikipedia

• Mobile phone spam — is a form of spamming directed at the text messaging service of a mobile phone. It is described as mobile spamming, SMS spam, text spam or m spam. As the popularity of mobile phones surged in the early 2000s, frequent users of text messaging… …   Wikipedia

• Marine and mobile radio telephony — Example: Complete GMDSS A3 installation with HF telex. The Marine Radiotelephone Service or HF ship to shore operates on shortwave radio frequencies, using single sideband modulation. The usual method is that a ship calls a shore station, and the …   Wikipedia

• Radio fingerprinting — is a process that identifies a cellular phone or any other radio transmitter by the unique fingerprint that characterizes its signal transmission. An electronic fingerprint makes it possible to identify a wireless device by its unique radio… …   Wikipedia

• cellular phone — n. a kind of mobile radio telephone used in a communications system that has its service area divided into small cells, each having a separate low power transmitter and receiver combination: also cellular telephone …   English World dictionary