Guys, a few comments to answer all of you, so far:
* The Eye-Fi card DOES NOT compress anything. The bits are uploaded over the wire, UNTOUCHED. I'm not sure why you think that we compress or touch the media at all. We absolutely don't.
* It's up to you to enable 3G/4G uploads, if your data plan doesn't have any caps (mine doesn't, on Verizon). If you're concerned about charges or data caps, just tell the app to not upload over 3G/4G. Then, the Eye-Fi Card will upload to your mobile device, and when the mobile device is back on Wi-Fi -- it will relay the media to your destination, over Wi-Fi (your PC, or favorite sharing site)
* Class 6 vs. Class 10 -- which camera do you have that requires Class 10? There are none that REQUIRE it. Class 6 is sufficient for HD video on cameras today, and the Eye-Fi Card can sustain 12MBps, which is even faster than Class 6, but we're not as fast as Class 10 (more like Class 8), we called our specs honestly -- as Class 6 writes.
* Symbian did have a hotspot, and you could use our Pro X2 card with that hotspot, but the card will need to be on, to upload through the hotspot, and you could only do it with the Pro X2, because it's our only card that supports ad-hoc. The Symbian hotspot is ad-hoc and not Infrastructure based.
Eye-Fi Direct is a combination of features, apps and new firmware for ANY X2 Eye-Fi Card. The card spawns an Infrastructure network, and the iOS or Android device connects to the card, as a router. Then, the app that sits on the mobile device, receives the media (RAW, JPG's, movies). THEN, the card goes offline and goes to sleep, and the mobile device re-connects to 3G/4G/Wi-Fi and can relay the media to anywhere you set it to.
Helps?