To me it looks like it takes the Electricity from the battery and converts it to RF and transmits the Signal/Electricity to some type of Receiver/Converter to power your R/C Items "Wirelessly".
I remember a year or 2 ago on a forum I was reading a member was leaving for a while to work on a project along the lines of this. (Due to his NDA its all he couldnt say much.)
Just my .02