About: http://webisa.webdatacommons.org/214535530

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	This beacon signal is comparable to exposure 20 to 500 feet from a cell tower base station depending on proximity, both to the access point and also to the wireless device, such as laptop or ipad.
http://www.w3.org/ns/prov#wasQuotedFrom	kqed.org