DroneTech Parabolic Antenna Signal Booster For DJI Phantom 4 Phantom 3 Pro Advanced Inspire 1 FLY FURTHER!  Increase your flying range distance by an average of 20-30%. REAL COPPER  Dont be fooled by others who use aluminum. Our range booster is made of real copper for the best signal boost. FITS MOST DJI COPTERS  Our parabolic range boost antenna fits on DJI Phantom 3 & 4 Advance/Professional and Inspire 1 remotes. FOLDING DESIGN  Our clamshell design folds in half when not in use. Great for easy transport and storage. NO ANTENNA DROOP  Our special design ensures a good fit that wont droop when use in. The last thing you need is a sudden signal drop from front heavy booster designs.