SKU: 94775550652

FrSky R9 STAB OTA 868Mhz Receiver / Flight Controller

Sale price$27.50 Regular price$30.56
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

FrSky R9 STAB OTA 868Mhz Receiver / Flight ControllerR9 STAB OTA is a 868MHz long range and stabilization receiver with a built in 3 axis gyroscope and 3 axis accelerometer. MULTIPLE FLIGHT MODES: 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. ACCESS PROTOCOL: R9 STAB OTA receiver implements the ACCESS protocol

R9 STAB OTA is a 868MHz long-range and stabilization receiver with a built-in 3-axis gyroscope and 3-axis accelerometer.

MULTIPLE FLIGHT MODES:
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.


ACCESS PROTOCOL:
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.

CONFIGURATION PARAMETERS:
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).

Key Features

  • 868MHz(EU Version)
  • ACCESS Protocol and support OTA functions
  • Low latency and high precision
  • 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)

Specifications

  • Brand Name: FrSky
  • Item Name: R9 STAB OTA Receiver
  • 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: [email protected]
  • Gyroscope Precision: ±2000dps
  • Acceleration Precision: ±4g
  • Compatibility: R9M 2019/R9M Lite/R9M lite Pro with ACCESS firmware
    * The compatible ACCST firmware for this receiver will be released later. Please stay tuned for the update.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94775550652

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Cassie Huerta
Carnegie, US
★★★★★ 5
Great socks for the price!
Size: 6-10, Color: Black, Size: 6-10, Color: Black
I love these socks, they are perfect no shows but the material is thick enough for toes not too go thru. The grip is perfect and keeps the sock in place all day. I would definitely order true to size as the fit was perfect. I was surprised to find these socks at the price I did, especially when I got the socks in both black and white.
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Reviewed in the United States on December 9, 2025
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Kayla
Waukegan, US
★★★★★ 5
Best non-slip no show sock!
Size: 6-10, Color: Black
I love these socks! I wear them mostly with my slip on vans. The are thin so your feet can breathe (I hate thick socks). They have a grip on the heal so that they don't slip off of your feet, and it actually works! My only negative about these socks would be that if you have bigger than a size 8 foot, I would not purchase them because they do run a bit small. I wear a size 7 and they fit perfectly! They do look very tiny upon unpacking, but they stretch to the according size. I would also recommend letting them air dry after washing them and not putting them in the dryer. The first pair I purchased, I made the mistake of drying them and they shrank to an unbelievably small size. I've had my second set of socks for over 4 months now and have not had any problems since Ive been air drying them. I have not encountered any problems with them tearing as other have stated. Even though these are thin socks, they seem to be made quite well in my opinion.
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Reviewed in the United States on December 5, 2022
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Leah P.
Lexington, US
★★★★★ 5
I buy these again and again through the years!
Size: Medium, Color: Austin Brown Assorted (6-pairs)
Love these. After a year or two I wear holes in the bottoms because I wear them so much. Worth the little bit higher price because of the fit and comfort. Love how they are truly no show
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Reviewed in the United States on October 18, 2025
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R3⭐️
Port Orchard, US
★★★★★ 4
Good quality but tight on toes
Size: 6-10, Color: White/Assorted
These are great socks that stay in place, but they scrunch my toes together like crazy. My feet are normal width. When I first started wearing them I noticed my feet would ache after an hour or two.
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Reviewed in the United States on April 26, 2026
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Brock1234
West Palm Beach, US
★★★★★ 5
My New Favorite Socks
Size: 6-10, Color: Halo Gray/Assorted
These have quickly become mine and my mom's favorite socks. We wear them with tennis shoes, Hey Dudes, and more. The fabric is incredibly soft and comfortable, they do not budge/fall in my shoe, and are extremely well made. I have become so attached to these socks, that I no longer want any other brand.
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Reviewed in the United States on July 4, 2025

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