FrSky R9 STAB OTA 900MHz Wing Receiver - ACCST & ACCESS

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R9 STAB OTA is a 900MHz long-range and stabilization receiver with a built-in 3-axis gyroscope and 3-axis accelerometer.

R9 STAB OTA has 8 PWM channels, on traditional fixed-wing models it will support stabilization, automatic level, hover and knife-edge flight modes. For delta wings and V-tail models, it supports stabilization and automatic level flight modes.

R9 STAB OTA receiver implements the ACCESS protocol and brings the user improved performance and features. It supports wireless over-the-air firmware updates, making binding to receivers even easier as well as conveniently checking the current receiver firmware version.

Paired with a FrSky radio transmitter, the parameters can be adjusted conveniently through the LUA script. In addition, parameters may also be adjusted by FreeLink (PC) and FreeLink App (with AirLink S).

For use with the R9M 2019 Module (or original R9M if RX is flashed with ACCST firmware)

Check out the rest of our R9 900MHz gear, and all our RC transmitters, modules, and accessories!


  • ACCESS protocol and supports OTA functions
  • 900MHz/868MHz long-range with low latency
  • Built-in 3-axis gyroscope and 3-axis accelerometer
  • Support S.Port
  • Supports quick configuration for setting multiple flight modes (quick mode)
  • Detachable Ipex1 connector antenna
  • Multiple configuration methods (LUA script and FreeLink)

Download FrSky R9 STAB Relevant Files


  • Dimension: 45.7*26.3*16.2mm
  • Weight: 18.6g
  • Numbers of Channel: 8/16CH (CH16 outputs RSSI)
  • Operating Voltage: DC 3.5V~10V
  • Operating Current: 140mA@7.4V
  • Measuring range of gyroscope: ±2000dps
  • Measuring range of acceleration: ±4g
  • Compatibility: R9M Lite/R9M/R9M 2019 with ACCST firmware
    R9M Lite/R9M Lite Pro/R9M 2019 with ACCESS firmware


  • 1x FrSky R9 STAB OTA Long Range 900MHz Receiver (ACCESS)