air
antenna
azure
blue
broadcast
broadcasting
building
business
cable
cell phone
cloud
communicate
communication
connect
connection
construction
disc
drum
electromagnetic
electronics
equipment
heaven
high
internet
message
metal
microwave
mobile
navy
network
phone
radio
receiver
red
satellite
signal
sky
space
station
steel
tall
technology
telecommunication
telephone
television
tower
transceiver
wave
white
wireless