Phantom Accessories Booster Range Extender Antenna Signal Range with Sticker Set and Cleaning Cloth - Windsurfer for Phantom 4, 3 Pro Advanced Standard & Inspire (2pcs)

If you own a drone this is a must buy for only 8 bucks it's really a steal I could have paid 5 Times that and steal been happy since the results where so impressive I own a upair one drone 2.7k this not only greatly increased my range exactly really not sure yet but it was in the hundreds of meters but my fpv reception I can tell you made About an 800 meter difference not to mention it's clearer up close and far away can fly it 1 mile without any fuzzy screen whatsoever that's 600 meter difference than manual says it can go

I put this on my Xiaomi Mi drone 4K. I had to use my dremel to open up the holes but it was worth it. I get almost an extra 1000 meters of control and video signal with these range extenders, over water. About an extra 500-600 meters over land. They work Great. For the price.. Totally Worth It.

Works great but needs to made one piece and a bracket on top to keep from flopping around. I made my own top brackets and glued 2 panels together. It does improve range as long as you keep it faced directly at drone, otherwise it will reduce existing range considerable. A good product with a great copper finish. Good price point compared to others.

WOW!!! I don't know how this product is even being sold. As a paying customer I am extremely disappointed with the quality of this item. The stickers aren't cut out. They are also printed crooked on the paper. The Copper Range Extenders DO NOT fit securely on the antennas. They are EXTREMELY POORLY designed. I tried to save some cash by purchasing these, DON'T DO IT!! Spend a little extra and get the better ones. As soon as I finish this review I am going to look into returning these immediately! The Copper Range Extenders I received also had finger prints all over them indicating I received someone else's return. GARBAGE!!!!!DO NOT BUY

Interesting were some of the revues stating these "range extenders" gave their P3P's the ability to travel 3-5 miles. Seems they did not factor in battery life is not extended. I live in a very rural area. Before using the extenders my max range was 1-1.25 miles with altitude adjustments made for distance. With the extenders I can go a max of two miles, adjusting altitude to maintain contact. I paid $9.00 for these. That is about what thay are worth.

I have been using these for a couple of weeks now and have been happy with performance. I have not done any specific distance trials with and without these attached, but my impression is that they definitely improve how far I can fly. The key is making sure that the antenna are aligned properly relative to aircraft in flight per DJI recommendations to gain maximum signal strength.

My complaint with these boosters is that when you install them, they don't hold their position and don't allow the antennae to remain centered so they get the best performance. If I am doing something wrong, I encourage someone to help me because I take no joy in posting negative comments. Please let me know so I can change this review from only two stars to 4 or 5. Respectfully, Jeff

I definitely have noticed a difference when I put these on. I fly my Phantom 4 out as far as it will go without the boosters before getting the weak signal message and then put on the boosters while I leave the drone hovering in place and get a full signal again right away and continue flying further. You have to point the curved metallic part of the boosters directly at the drone for it to boost the signal, don't point the tips of the antenna at the drone.

Copper foil is sloppily applied, was thinking of returning these. No top antenna bracket had to fabricate from zip ties to hold in place.