I find these things amazing and they give some absolutely fantastic shots, but does anyone know how they transmit the footage? With the quality of the footage there must be a fair amount of data to shift, and I can't imagine it is using "normal" wifi. I've done some Googling but couldn't find anything beyond the obvious fact that the data is digital.
It's sent on microwave frequencies - similar bandwidth to wifi but obviously only a one way date stream. Cost is several thousand dollars unfortunately!!