About: http://webisa.webdatacommons.org/207774151

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	By the use of an appropriately chosen transmission frequency, the required antenna (not shown) may be of minimum length, and may be fabricated within the housing, especially if the housing is of a nonconductive material, such as plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com