About: http://webisa.webdatacommons.org/274989741

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	Accordingly, there is a need for a rotating field antenna which does not require such an electrical connection and which is well-suited for radio frequencies in the range of 13.56 MHz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com