ground control - a communication system for sending continuous radio messages to an airplane pilot who is making a ground-controlled approach to landing

intercom, intercommunication system - a communication system linking different rooms within a building or ship etc

P.A., P.A. system, PA system, public address system, PA - an electronic amplification system used as a communication system in public areas

radio, wireless - a communication system based on broadcasting electromagnetic waves

radio link, link - a two-way radio communication system (usually microwave); part of a more extensive telecommunication network

system - instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"

telecom equipment, telecom system, telecommunication equipment, telecommunication system - a communication system for communicating at a distance

phone system, telephone system - a communication system that transmits sound between distant points

booster amplifier, booster stations, boosters, relay links, relay stations, relay transmitters - an amplifier for restoring the strength of a transmitted signal

communications satellite - an artificial satellite that relays signals back to earth; moves in a geostationary orbit

facility, installation - a building or place that provides a particular service or is used for a particular industry; "the assembly plant is an enormous facility"

fiber-optic transmission system, fibre-optic transmission system, FOTS - a communication system using fiber optic cables

infrastructure, base - the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"

network - (broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs; "the networks compete to broadcast important sports events"

radio station - station for the production and transmission of radio broadcasts

set - any electronic equipment that receives or transmits radio or tv signals; "the early sets ran on storage batteries"

television station, TV station - station for the production and transmission of television broadcasts