About: http://webisa.webdatacommons.org/310954425

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	The respective frequency altering devices will therefore accept signals having these wavelengths and alter their frequency, such as by doubling their frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com