About: http://webisa.webdatacommons.org/283187168

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 tracking unit of claim 8, wherein said transmitter is a cellular telephone having a predetermined operating wavelength, and wherein the antenna has a length of about one-half wavelength.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com