About: http://webisa.webdatacommons.org/49193277

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	A security system, such as in a home or other building, includes a broadcast band RF transmitter for transmitting an audio message that can be received by a user on a common home or car radio, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk