electro-magnetic telegraph
Teletype
cable
cablegram
communicate
day letter
facsimile telegraph
fast telegram
flash
heliograph
heliotrope
marconigraph
multiplex
night letter
quadruplex
radio
radiogram
radiograph
radiotelegraph
radiotelegraphy
semaphore telegraph
send a wire
sign off
sign on
telegram
telex
wire
wireless
apparatus
setup
telecommunicate
telegraphed
telegraphes
telegraphing
telegraphs
appliance
communication
locomotive
long-distance
mail
microwave
phonograph
postal
radio-
railway
relay
steamboat
steamship
steamships
telecommunications
telegraphic
telegraphy
telephone
terminal
transmitter
transportation
typewriter