The Eye-Fi SD card works with the CF card adapter in the 7D. With the metal parts of the adapter taken off, it works as well as does the Eye-Fi SD card on its own in the GoPro, which means it works from halfway across the shop, but not all the way across the shop. The card is rated to 45 ft from the router indoors and 90 ft from the router outdoors.

The above distances are using the KAI wi-fi. When I turned off wi-fi and used “Direct Mode,” the network was very unreliable and had to be restarted often. It did not appear to reach as far as the wi-fi. The furthest away I could get it to […more]