RadioLink F405 Flight Controller – 32-bit STM32F405, 6CH Output, Built-in OSD, ArduPilot/Betaflight/INAV Compatible

Overview

The RadioLink F405 Flight Controller is a compact, high-performance all-in-one flight control system that integrates a powerful STM32F405RGT6 32-bit processor, BMI270 gyro, and SPL06 barometer for precise flight control. It supports mainstream firmware such as ArduPilot, Betaflight, and INAV, and is engineered for a wide variety of applications including 2–6 axis multirotors, fixed-wings, helicopters, cars, boats, lawn mowers, and robotic platforms. With a compact size of 30.5×30.5mm and weight of just 9.5g, it features advanced circuit protection, plug-and-play interfaces, and wide peripheral compatibility.

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Key Features

• High-performance STM32F405 Processor (168MHz)
  Ensures ultra-fast response and high-precision control for racing and autonomous flight.

• Built-in 128MB Blackbox
  Supports onboard flight log storage for better tuning and analysis.

• Compact and Lightweight
  Only 30.5 × 30.5 mm, weighing 9.5g, fits perfectly in tight builds.

• Integrated OSD (AT7456E)
  Displays real-time flight data via FPV without the need for an external OSD board.

• Plug-and-Play Video Support
  Compatible with DJI HD, CADDX, and analog video transmission systems.

• 6 PWM Outputs (M1–M6)
  Supports a wide range of flight configurations.

• Multiple UART Ports (×5)
  Easily connect telemetry, GPS, VTX, and other peripherals.

• Robust Anti-Interference Protection
  Triple-layer EMI protection with TVS diodes, thickened copper PCB, and capacitor filtering.

• Wide BEC Support (3.3V/5V/9V)
  Integrated 3-channel BEC for cameras, OSDs, LEDs, receivers, etc.

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Technical Specifications

Dimension & Weight

Hardware

Connector & I/O

Power Supply

Firmware Compatibility

• ArduPilot

• Betaflight

• INAV

Operating Conditions

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Application Scenarios

• FPV Racing Drones (DJI O3/O4 ready)

• Fixed-wing Aircraft

• Helicopters

• Heavy-lift GPS Drones

• Agricultural Autonomous Vehicles

• Bait Boats, Lawn Mowers, and Ground Robots

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Functional Highlights

• Smart BEC Switching for flexible video power supply

• Built-in EMI Protection with 2oz copper, ferrite beads, TVS, and DC surge resistance

• Optimized Solder Pad Layout for streamlined wiring and 40% installation efficiency improvement

• Intelligent Tuning via Radiolink Mission Planner, INAV, or Betaflight Configurator

• User-Friendly Interfaces: Seamlessly integrates with DJI Digital FPV, CADDX, and analog systems

Details

Radiolink F405 flight controller offers user-centered design for effortless and efficient control.

RadioLink F405 Flight Controller integrates high performance, reliability, and intelligent design for racing drones, aircraft, and multi-rotor UAVs. Supports open-source firmware, multiple signal protocols, HD video transmission, and built-in OSD module.

F405 supports ArduPilot, Betaflight, and INAV firmware, providing sharp responsiveness for racing and stable autonomous flight.

Professional Design, Extreme Performance. High-End Configuration with STM32F405RGT6 processor, BMI270 gyroscope, and SPL06-001 barometer for precise altitude control and enhanced flight stability.

High-capacity 128MB blackbox for flight data recording and fault tracing. Log Browser shows GPS, IMU, and sensor telemetry data.

Industrial circuit design ensures safety. Power supply optimization prevents damage and enables flexible video transmission. Components: 4-in-1 ESC, GPS, SBUS receiver, DJI HD digital image transmission, analog video transmission.

RadioLink F405 Flight Controller has a 2oz copper PCB for better current capacity, less EMI, and stable performance. Triple-layer protection reduces burnout risks.

Compact F405 flight controller supports 6 output channels, compatible with various models. Features ESC, GPS, SBUS ports, camera connect, and DJI digital/analog video transmission. Expandable interfaces for versatile use.

Compact Design, Versatile Compatibility. F405 supports 6 output channels, compatible with 2-6-axis multi-rotors, fixed-wing aircraft, helicopters, flying wings, cars, boats, robots, lawn mowers, and bait boats. Examples include helicopters, fixed-wing planes, GPS drones, bait boats, lawn mowers, and agricultural vehicles.

User-Friendly Functional Upgrades. All-in-One Plug-and-Play Interfaces support DJI O3/O4, GPS, OSD, video transmitters. Expandable with Analog Video, CADDX HD Digital, DJI HD Digital Image Transmission.

Intelligent tuning support for RadioLink F405 flight controller. Adjust parameters via Radiolink, Mission Planner, Betaflight, or INAV Configurator. Real-time voltage and attitude monitoring through OSD interface.

Installation-Friendly Design. Optimized pad and socket layouts compatible with mainstream frame installations, improving soldering and cable routing efficiency by 40%.

Supports mainstream throttle signals, including DShot, OneShot, and PWM. Enables ESC telemetry feedback. Compatible with Betaflight software for motor configuration on laptops and smartphones.

RadioLink F405 Flight Controller supports SPEKTRUM, SBUS, TBS Crossfire (Black Sheep), and ExpressLRS receivers. Ensures compatibility with mainstream remote controllers. Features ELRS, Black Sheep, and SBUS receiver setups.

Rigorous quality control ensures reliable performance. Unique automation software tests F405 flight controller for high-temperature resistance, vibration tolerance, signal stability, and port functionality. Comprehensive testing guarantees efficiency.

F405 Quality Tests compare Manual Detection and the Unique Radiolink Automation Software Testing System. Manual testing times are: 5 minutes for function interfaces, 11 for sensors, 2 for output interfaces, 1 each for RC interface and power-on detection, and 23 for appearance and soldering — totaling 23 minutes. The automation system takes just 1 minute per category (except appearance and soldering at 3 minutes), completing tests in 3 minutes, demonstrating significant efficiency gains.

Supply Chain Assurance ensures stable operations in extreme temperatures.

Cost-effective RC drone solution with F405 flight controller, T16D remote, R16F receiver, TS100 GPS, CADDX transmission, HD goggles, ELRS module. Supports high-speed aerial photography and cinematography.

Use Guarantee ensures easy installation and parameter setting for RadioLink models. Comprehensive guidance, FAQs, and support are available on various platforms for user assistance. F405 is compatible with multiple firmware options.

F405 Flight Controller, ESC Connect Cable, GPS Connect Cable, R8SM Receiver Connect Cable, Analog Video Transmission Cable, Package Box included.