About: http://webisa.webdatacommons.org/217378245

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	Tone detector 300, which is operatively coupled to antenna 16A, detects the tone or other activation signal transmitted from interrogate/receiver 18 and produces a detected activation signal in response thereto.
http://www.w3.org/ns/prov#wasQuotedFrom	google.cl