Take the stock range extender off the RC remote. Put the range extender somewhere high pointing in the general direction of where you're going to fly. Don't put it near metal. I found the range extender has to be within about 5 meters of my iOS device otherwise it wouldn't connect. After I did that I would continue to get a video feed in places where before I would lose the video feed. Make sense to me that the extra height would give at least a little extra range. After doing this I made myself a simple stand from PVC pipe to do the job.