About: http://webisa.webdatacommons.org/180511899

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 quoted range is a maximum of 300 feet, but he is very dependant on the existing environment--walls, water pipes, furniture and other obstructions can decrease the range.
http://www.w3.org/ns/prov#wasQuotedFrom	entrepreneur.com