Public Mobile Radio Trunked Services

См. также в других словарях:

• 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

• Norwegian Public Safety Radio — Nødnett …   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

• Specialized Mobile Radio — The Specialized Mobile Radio system (SMR) is a conventional two way radio system, or trunked radio system, operated by a service in the 800 or 900 MHz bands. Some systems with advanced features are referred to as an Enhanced Specialized Mobile… …   Wikipedia

• Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …   Wikipedia

• Radio communications during the September 11 attacks — This article reviews some of the details of radio communications at the September 11, 2001 World Trade Center attacks. [The purpose of revealing the operational details in this article is to allow operators of other communications networks and… …   Wikipedia

• Radio repeater — A radio repeater is a combination of a radio receiver and a radio transmitter that receives a weak or low level signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. This… …   Wikipedia

• Radio network — Not to be confused with Radio syndication. There are two types of radio networks currently in use around the world: the one to many broadcast type commonly used for public information and mass media entertainment; and the two way type used more… …   Wikipedia

• Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …   Wikipedia

• Multi-Use Radio Service — In the United States, the Multi Use Radio Service (MURS) is an unlicensed two way radio service similar to Citizens Band (CB). Established by the U.S. Federal Communications Commission in the fall of 2000, MURS created a radio service allowing… …   Wikipedia

• Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …   Wikipedia