antennae
beat
black
broadcasting
circle round effect
communication
computer
cyberspace
device
digital
effect
electric
electronic
equalizer
hypnosis
hypnotic
idea
information
innovation
laser
line
media
mobile
monitor
musical
network
phone
pictogram
public
pulse
radar
radio
ripple
round
science
service
shape
signal
sonic
sound
target
technology
tune
voice
volume
wave
waveform
wireless
zone