communications system
collection of systems used in telecommunications
General Packet Radio Service
packet oriented mobile data service on 2G and 3G
Mobile User Objective System
US Space Force communications satellite system
simplex communication
communication channel that sends information in one direction only
intercom
stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network
Law Enforcement Online
FBI controlled communication system of United States police authorities
telecommunications network
network for communications over distance
design language
overarching scheme or style that guides the design of a complement of products or architectural settings; commonly used in the visual arts as a synonym for the stylistic elements of a work of art
signal box
building near a railway track that contains the controls to operate signals and points and other equipment used to regulate the movement of trains
Universal Mobile Telecommunications System
third generation mobile cellular system for networks
White Alice Communications System
military communication system
trunked radio system
class of a radio system
emergency communication system
communication system used for emergency coordination, often made up of both input devices, sensors, and communication devices, typically capable of both initiating and receiving information among multiple parties
Tracking and Data Relay Satellite System
network of communications satellites and ground stations used
paging service
service
European Data Relay System
network of communication satellites and ground stations
Intelink
US intelligence agency intranets
Automatic Transmitter Identification System
marine VHF radio system
Prussian semaphore system
telegraphic communications system used between Berlin and the Rhine Province from 1832 to 1849
half-duplex
communication flowing in both directions, but not simultaneously
semaphore line
system of visual communication
duplex communication
communication flowing in both directions simultaneously
videotex
end-user information system
Imperial Wireless Chain
international radiotelegraphy network connecting territories of the British Empire
Telematic infrastructure
secure, electronic networking of the players in the German healthcare system
Vessel Monitoring System
Surinamese monitoring system