Dépoli interchangeable, Ethernet et USB "Host" : trop top bien !!!
Ethernet (wired) transfer: Yes; Ethernet 100Base-TX (maximum distance approximately 1,000 feet); link speed: approximately 100 megabits/second

USB "host" capability: Plug compatible USB devices into WFT-E3A, for use with the EOS 40D; GPS devices (write GPS time, coordinates, and altitude info into each file's EXIF info); external hard drive (connect compact external USB hard drive, and write files directly from camera to the hard drive as if it's an additional memory card)