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FrSky Receiver Upgrade Lite (FUL-1)

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The FUL-1 allows you to upgrade the original D8R receiver.

  • This adapter is NOT needed to update the firmware on the D8R-II or the D8RII-Plus.

    It has come to our attention that this item is probably more popularly used as a level converter for modified 9X radio installs with the FrSky system, and a few other uses. It really does not have a use for upgrading FrSky receivers anymore.