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Made a good difference
These antenna improve video reception and i think they also improve response time of the drone when flying..
They work ok but still get signal loss randomly after less than 200m.. for the price I would expect better results.
If your drone still will lose signal, we suggest that you can update your drone's image transmmsion firmware. More detail information, pls check this link: https://support.swellpro.com/hc/en-us/articles/8173823372441-SplashDrone-4-Firmware-Image-Transmission
Recommend as it has helped with the lost signal that i was getting
Replaced damaged antenna with high gain patch antenna and wow what a difference, great distance achieved and response
Overview: This 17dBi patch antenna provides a fast and reliable connection between the SplashDrone 4 and the remote controller with anti-interference capability. It extends the control range and the video transmission range of SplashDrone 4 up to 8 km / 5 miles.
Frequency: 5100-5900 GHz
In the box: Patch Antenna x 1set
Compatibility: SplashDrone 4