GEPRC SPAN F405 HD 32bit 50A BEC F405 Flight Controller Stack

The GEPRC GEP-F405-HD 50A Stack is a reliable, high-performance power and control system designed specifically for seamless integration with the DJI Digital FPV System. It pairs the processing power of an F405 flight controller with the robust GEP-G50A BLHeli_32 4-in-1 ESC.

Featuring a direct plug-and-play port for the DJI Air Unit, this stack completely eliminates the need for complex video transmitter soldering. It also features a modernized USB Type-C interface for superior durability and broad, out-of-the-box receiver compatibility to work with virtually any modern radio link.

Features

High-performance STM32F405 main flight controller chip

Equipped with the stable, vibration-resistant MPU6000 gyroscope

16MB onboard Blackbox memory space for telemetry logging

Onboard BMP280 barometer for precision altitude tracking

Built-in LC filter to ensure clean power distribution

Modernized USB Type-C interface

Direct plug-and-play port for DJI Digital FPV integration

Paired with a premium 32-bit 50A BLHeli_32 ESC for crisp motor response and smooth power handling

Universal mounting footprint with included anti-vibration grommets

GEP-F405-HD Flight Controller Specifications

MCU: STM32F405

IMU: MPU6000 (SPI)

Air Unit Connection: Direct plug-and-play port for DJI Air Unit

Blackbox: 16MB onboard Flash

USB Interface: Type-C

OSD: Betaflight OSD with AT7456E chip

Barometer: BMP280

BEC Output: 5V, 9V dual outputs

Firmware Target: GEPRCF405

Dimensions: 36x36 mm (30.5×30.5 mm mounting pattern, φ4mm holes reduce to φ3mm with included silicone grommets)

Input Voltage: 3-6S LiPo

UART Ports: 6 sets

Power Filtering: Integrated LC filter

GEP-G50A 4-in-1 ESC Specifications

MCU: STM32F051K86 (32-bit, 48MHz core processor)

Input Voltage: 3-6S LiPo

Current Sensor (Amperometer): Supported

Telemetry: Supported

Continuous Current: 50A

Burst Current: 55A (for 5 seconds)

Protocols Supported: Dshot1200, Dshot600, Multishot, Oneshot, PWM

Firmware Version: GEPRC-BL32-4IN1

Receiver Compatibility

Frsky XM / XM+ / R-XSR

Futaba systems

DSM / DSMX

FlySky

TBS Crossfire / ExpressLRS (via UART)

AC900

General SBUS/serial receivers

Package Contents

1 x GEP-F405-HD Flight Controller board

1 x GEPRC G50A 4-in-1 ESC board

1 x 35V 470μF capacitor

1 x XT60 power cable

1 x ESC-to-FC connector cable

1 x DJI Air Unit connection cable

4 x M330 screws

4 x M322 screws

4 x M4-to-M3 silicone dampening grommets