Canon Wireless File Transmitter WFT-E8A Specification Guide (en)

IEEE 802.11ac/n/a/g/b wireless LAN support; Image transfer accessory
Compatible Cameras
EOS-1D X Mark II Camera
FTP Transfer
Transfer images over a network to FTP servers
EOS Utility
EOS Utility-based control of cameras over a network
WFT Server
Browser-based remote image/video capture with downloading, playback and browsing of images/ 
video over a network
Linked Shooting
Max. 10 slave cameras
Transmission Range: Approx. 328 ft. / 100m from the master camera (when signal strength is favorable)
WFT Server Start: Possible at manual connection with slave camera
Transmission Range
Linked Shooting:
Approx. 328 ft. / 100m from the master camera (when signal strength is favorable)
Wireless LAN:
Using an access point: Max. approx. 492 ft./150m
Transmitting directly to a smartphone: Max. approx. 49.2 ft./15m
In linked shooting: Max. approx. 328 ft. / 100m
With no obstructions between the transmitting and receiving antennas and no radio interference
Camera Connection
Wired LAN Connection
External Device  
Power Supply
Powered by the camera
Number of Possible 
Normal Temperature 
Low Temperatures 
Wireless LAN
Approx. 1030
Approx. 900
When a fully charged Wireless File Transmitter WFT-E8A is used with the EOS-1D X Mark II camera.
Under Camera & Imaging Products Association (CIPA) conditions for testing shooting capacity, when using 
automatic image transfer with images that are approx. 6MB.
Fewer images can be transferred if the wireless LAN transfer speed drops, and for consecutive image 
transfer over wireless LAN.
If the remaining battery level drops below 19%, captured images cannot be transferred.
Dimensions (W x H x D)
Approx. 0.97 x 2.24 x 1.34 in.  / 24.7 x 57.0 x 34.1mm
Weight (Ounces/Grams)
Approx. 1.34 oz. / 38g
Operating Temperature
32°F to 113°F / 0°C to 45°C
Operating Humidity
85% or less
Wireless File Transmitter