Canon WFT-R10A Wireless File Transmitter for EOS R5 C & R5 Mirrorless Camera - Manual (Page 158)

Wireless Function Notes
If the transmission rate drops, the connection is lost, images are not displayed smoothly, or
other problems occur when using the wireless functions, try the following corrective actions.
Access Point and Antenna Installation Location
Install the device where people or objects do not come between it and the transmitter.
Install the device as close to the transmitter as possible. In particular, note that during
outdoor use in poor weather, rain may absorb radio waves and disrupt the connection.
Nearby Electronic Devices
If the transmission rate of a wireless LAN drops because of the influence of the following
electronic devices, stop using them or establish a connection farther away from them.
If a wireless LAN terminal on the same frequency band as the transmitter is used
nearby, the transmission rate of the wireless LAN may drop.
Access point and channel settings
To optimize the performance of the transmitter, it is recommended that you use the
transmitter under the following conditions:
To establish connection in infrastructure mode, use of 5 GHz channels and an IEEE
802.11ac-compliant access point are recommended. If you use channels on the 2.4 GHz
band, sufficient transmission rates may not be secured for communication.
To establish connection in camera access point mode, using channels in the 5 GHz
bandwidth is recommended. If you use channels in the 2.4 GHz bandwidth, the
performance may not be as good as expected. If the communication speed is too slow,
using infrastructure mode is recommended.
Some of the channels are not available for wireless LAN communication depending on
the laws and regulations of the area where the product is used. For details, see
"Wireless LAN Restrictions" in the instructions that are provided with the product.
Notes for Using Multiple Wireless Transmitters
When multiple cameras with a wireless transmitter attached are connected to one
access point, make sure that the cameras' IP addresses are different.
When multiple cameras with a wireless transmitter attached are connected to one
access point, the transmission rate drops.
When there are multiple IEEE 802.11n/g/b (2.4 GHz band) access points, leave a gap of
four channels between each wireless LAN channel to reduce radio wave interference.
For example, use channels 1, 6, and 11, channels 2, 7, and 12, or channels 3, 8, and
13.
When IEEE 802.11ac/n/a can be used (on the 5 GHz band), switch to IEEE
802.11ac/n/a (on the 5 GHz band) and specify a different channel.
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