New R9M tuner, add external power supply XT30 interface.It can solve the problem of insufficient power supply of the high frequency head through external power supply.Please use 2S LIPO for external power supply of R9M tuner. Do not connect more than 2S battery, otherwise it may be damaged.Rui Sikai R9&R9M is FrSky's first ultra-long-range radio control system operating in the 900 MHz band.The R9M transmitter module provides four-speed power selection, which can select the right power in different flight environments. The application range is wider.The R9 receiver's control distance is longer than that of the L9R receiver. In the environment with good electromagnetic environment, the maximum distance is up to 10KM.In addition, the R9 is also a receiver with redundant backup function, which can ensure the security of the device by connecting another receiver, multiple signal guarantee, and more confidence in long-distance flight.Note: R9M is only compatible with R9 series receivers, such as R9/R9 SLIM/R9 MM. Correspondingly, R9 and R9 SLIM receivers can only be paired with R9M.
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