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Telecommunications
Scope Note
Long distance communications using electromagnetic systems - includes wire (e.g. telephone or telegraph) and broadcast transmission (e.g. radio, television or satellite)
Used For
Broadcast communications
Electronic communications systems
Electronic information exchange #
Facsimile transmission (1984 2012)
Microwave relay systems
Signal services
Videotex (1984 2012)
Wire communications
Broader Term
Communications
Narrower Term
Bandwidth
Electronic mail
Radio
Teleconferencing
Telephone communications systems
Television
Wireless technology
Related Term
Communications satellites
Computer networks
Computers
Electronic equipment
Information and communications technology
Information networks
Microelectronics
Networks
Subject Category
710 Information / communications systems
Date Added
Jan 84
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