Assertion: radio wave | /r/HasProperty | received by radio receivers
Facets:
Source sentences:
text: Radio waves are generated artificially by transmitters and received by radio receivers, using antennas.
text: They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by a radio receiver connected to another antenna.
text: Radio waves are usually produced by radio transmitters and can be received by radio receivers.