A land mobile radio system (LMRS) is a person-to-person voice communication system consisting of two-way radio transceivers (an audio transmitter and receiver...

half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel...

Citizens band radio (CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals...

Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies (using commonly UHF or VHF frequencies)...

Land mobile service (short: LMS) is – in line to ITU Radio Regulations – a mobile service between base stations and land mobile stations, or between land...

physical radio carriers used for transmission and reception in a land mobile radio system, one for the uplink signal and one for the downlink signal. ARFCNs...

The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-range two-way voice communication and authorized under...

transmitter. In radio navigation systems such as GPS and VOR, a mobile navigation instrument receives radio signals from multiple navigational radio beacons whose...

Professional mobile radio (also known as private mobile radio (PMR) in the UK) are person-to-person two-way radio voice communications systems which use...

prevent interference with radio astronomy. In 1983, the US FCC reassigned channels 70 through 83 to the Land Mobile Radio System. In 2009, with the move...

fixed-location phones (landline phones). This radio frequency link connects to the switching systems of a mobile phone operator, providing access to the public...

(Amtrak station), Colorado, United States; Amtrak station code LMR Land mobile radio system Last Mountain Railway in Canada LeFrak-Moelis Records Leominster...

network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called...

Narrowband, and is an open standard for public land mobile radio systems; that is, systems of two-way radios (transceivers) for bidirectional person-to-person...

Joint Tactical Radio System (JTRS) aimed to replace existing radios in the American military with a single set of software-defined radios that could have...

Artillery. The rank is equivalent to that of Private. See also: Land Mobile Radio System, Walkie-Talkie, Transceiver The US and European powers, especially...

A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing...

land mobile radio systems used by public safety departments and fleets of utilities spread over a broad geographic area. Like other centralized radio...

the conversation, and land mobile radio systems like walkie-talkies and CB radios. Another large use is in wireless modems in mobile networked computer devices...

(hence VoWLAN) communication in a similar manner to land mobile radio system or walkie-talkie systems with push to talk and emergency broadcast channels...

Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort...

radionavigation land station ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.87, definition: radionavigation mobile station Department...

systems is similar to third stage, but it is limited to the 315 MHz frequency. The 315 MHz frequency range avoids interference from the land mobile radio...

much of the former bandwidth has been reallocated to land mobile radio system, trunked radio and mobile telephone use. Since at UHF frequencies transmitting...

Land mobile station (or land mobile radio station) is a mobile radio station in the land mobile service that operates within a country or continent. Each...

Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks. It was created by the European Telecommunications...

for radio waves in the VHF band are Digital Audio Broadcasting (DAB) and FM radio broadcasting, television broadcasting, two-way land mobile radio systems...

channels 70 through 83 were reallocated to the Land Mobile Radio System (Public Safety and Trunked Radio) and mobile phones in a CCIR worldwide convention in...

stations and land mobile vehicle-mounted or portable transceivers. In the United States these services are informally known as business band radio. See also...

station ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.89, definition: radiolocation mobile station Sun, Guolin; Chen, Jie; Guo,...