aerial
amateur
antenna
blue
broadcast
broadcasting
cable
cellular
communicate
communication
connection
device
dipole
distance
electrical
electronics
elements
equipment
folded
folded dipole
frequency
global
ham
hertz
high
high frequency
impedance
industrial
link
metal
network
parallel
pole
radio
receiver
resistance
satellite
satellite disc
signal
sky
station
steel
strength
structure
technology
telecommunication
tower
transmission
twin
waves