About: http://webisa.webdatacommons.org/8372797

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 transmitter may include a light source such as a diode to transmit light and the receiver may include a transistor to receive light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com