About: http://webisa.webdatacommons.org/245072238

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Radio frequency communications systems typically include a transmitter and a receiver, such as for radio or television broadcasting.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de