I been building custom drones since the days of analog. I bought my first store bought drone the mini se just to see how well little cheap drones had evolved. Very well and this antenna add on. Added well over 1000 feet of range easy possibility 2000 feet. It really adds direct yag effect to the system. I don't think a chip level op amp would do better. I rather have gain then noise. This company makes other good drone products as well. Gear, lights
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