Canon WFT-E3A wireless file transmitter accessory review Cameralabs video
www.cameralabs.com/reviews/Canon_WFT_E3A/video_review.shtml
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
I'm trying to convince myself that I actually need a Canon WFT-E3.