About: http://webisa.webdatacommons.org/370142798

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	At this moment, the FSK signal is usually composed of two waves, such as 1200 Hz and 2200 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es