I replaced my Immersion RC UNO5800v2 and Immersion (25mw) transmitters antennas with circular polarized antennas (http://www.hobbyking.com/hobbyking/stor ... 60mm_.html) and these actually increase the range and the videofeed wont disconnect when Phantom is turning in the end of its range. The only problem I have with these is that while doing yaw movements/turning the video feed becomes laggy (videofeed isnt smooth). If I change the antenna on the receiver or the transmitter to the stock antenna, it wont lag anymore. The best setup that I've found is to have the circular polarized antenna on the Phantoms transmitter and the stock antenna on the receiver. This way I get better range and smooth videofeed even when doing yaw movements. Have you run into this problem and is there a way to fix it?