air
antenna
black
broadcast
cell
communication
connection
contour
control
dish
electronic
equipment
exploration
icon
internet
isolated
line
media
navigation
network
outline
pictogram
plane
radar
radio
receiver
satellite
shape
sign
signal
silhouette
simple
space
station
structure
symbol
technology
telecom
telecommunication
television
thin
tower
traffic
transmission
tv
wave
wireless