digital cellular mobile radio system

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• 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

• Digital Cellular System — Le réseau DCS (Digital communication system) 1800 désigne un réseau de télécommunication. Il utilise des fréquences radio dans le sens montant de 1 710 MHz à 1785 MHz et le sens descendant de 1 805 MHz à 1 880 MHz.… …   Wikipédia en Français

• Advanced Mobile Phone System — Motorola DynaTAC 8000X AMPS mobile phone Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1983,[1] …   Wikipedia

• Universal Mobile Telecommunications System — (UMTS) is one of the third generation (3G) cell phone technologies, which is also being developed into a 4G technology. Currently, the most common form of UMTS uses W CDMA as the underlying air interface. It is standardized by the 3GPP, and is… …   Wikipedia

• Joint Tactical Radio System — The Joint Tactical Radio System (JTRS, often pronounced jitters ) is planned to be the next generation voice and data radio used by the U.S. military in field operations after 2010. Launched with a Mission Needs Statement in 1997 and a subsequent …   Wikipedia

• Universal Mobile Telecommunication System — UMTS Mobiltelefon von Nokia UMTS PC Card für …   Deutsch 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

• Digital radio — has several meanings: 1. Today the most common meaning is digital radio broadcasting technologies, such as the digital audio broadcasting (DAB) system, also known as Eureka 147. In these systems, the analog audio signal is digitized into zeros… …   Wikipedia

• Digital television in Canada — (more specifically, digital terrestrial television in Canada or digital over the air television (OTA) in Canada) is transmitted using the ATSC standards developed for and in use in the United States. Because Canada and the U.S. use the same… …   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