FX—300

Finix300.

Unmanned helicopter controller.

Flight control

Controller engineered for unmanned helicopter platforms.

Finix300 helicopter controller and three companion modules
Helicopter swashplate type
H1, H3
H4, HE3
HR3, H140
Hover accuracy
Horizontal direction: ±30cm
Vertical direction: ±30cm
Helicopter type
Gasoline-powered
Battery-powered
Interface type
CAN\PWM\USB
Voltage range
3S-12S
RTK positioning accuracy
Horizontal 10cm+1ppm
Vertical 10cm+1ppm
Receiver
S.BUS
Operating temperature
-10–70°C
Internet of Things module
Support
Wind resistance
< 8m/s

Specifications verified against EFY's first-party page on 2026-08-17. View source or request a current datasheet.

Key features
  • Applicable to helicopter below 100KG
  • Compatible with gasoline-powered and battery-powered types
  • Separate IMU
  • Provide cloud management account
  • APP control one-button full-automatic operation
  • Support remote controller control
  • Support RTK and other module expansion
  • Built-in flight safety strategy, stable and reliable
In operation

Where it flies.

Finix control stack · ground segment
Finix300 · flight controllerVisualization from EFY photography
Sources 4 · retrieved 2026-08-16, 2026-08-17

Where these facts come from.

Figures and quotations on this page were taken from EFY's own website on the dates shown.

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