aerial
antenna
atmosphere
band
bar
broadcast
cable
coder
communicate
communication
data
electric
electrical
electricity
electromagnetic
encoder
energy
equipment
frequency
hertz
high
hz
industrial
industry
line
media
parabolic
pole
post
power
radio
receiver
satellite
science
service
signal
sky
steel
structure
tall
technology
top
tower
transmission
uhf
ultra
vhf
wave
waveguide
wireless