About: http://webisa.webdatacommons.org/401496971

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	I have used the yongnuo 602s for a few years and I have been very happy with them. my understanding is that the 603 is a step up (rx and tx in one unit), but that they can not be mixed with the 602.
http://www.w3.org/ns/prov#wasQuotedFrom	fredmiranda.com