Welcome the new FrSky R9-Mini over the air (OTA) receiver. The 900MHz R9 Mini-OTA receiver implements the ACCESS protocol and brings the user improved performance and features. The R9 Mini-OTA supports wireless firmware updates over the air making binding to receivers even easier. As well as the convenience of checking the current receiver firmware version. The R9 MM’s compact form factor design is also carried over to the OTA version, and the R9 Mini-OTA supports inverted S.Port as well.
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