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FETtec FC G4

by FETtec
Sold out
Original price $79.99 - Original price $79.99
Original price
$79.99 - $79.99
Current price $79.99

The FETtec FC G4 features the latest STM32G4 processor. Providing unparalleled processing power to your aircraft. Along with an MPU6000 gyro, two 5v BECs, 6-27V (2-6S) power handling, and a host of other features, the G4 from FETtec is on the cutting edge of Flight Controller technology.


  • Latest STM32G4 Processor

    • 170Mhz + Math accelerator

    • MPU6000

  • Supply voltage 6-27V (2S-6S Lipo)

  • 2x dedicated onboard BEC (max. 600mA each)

    • 5V BEC for RX

    • 5V/16V BEC for VTX (switchable and real Pit*)

  • 2x 8 pin connector for solder free ESC connection

    • Connector 1: ESC signal 1-4, telemetry, VCC, GND

    • Connector 2: ESC signal 5-8 (depending on UAV type 1-4), telemetry, VCC, GND

  • 1x 8 pin connector for solder free VTX, cam connection and OSD or digital systems

    • real Pit* VCC, GND, Video in, Video out, BEC 5V/16V, VCS/TX3, RX3

  • 2x 6 pin connectors for serials

    • RX1, TX1, 3.3V, VCC, 5V, GND

    • RX3, VCS/TX3, RGB LED, VCC, 5V, GND

  • 1x 4 pin connector for receiver

    • Signal, TLM, 5V, GND

  • 5 UART serials

    • UART 1 free

    • UART 2 used for Receiver

    • UART 3 free

    • UART 4 used for onboard OSD, can be set free

    • UART 5 used for ESCs / TLM / Onewire

  • 4 ESC solder pads (Signal/GND) in each corner

  • Buzzer pads

  • 4 tiny RGB LEDs (selectable color)

  • Supported ESC protocols

    • PWM, Oneshot125, Oneshot42, Dshot150/300/600/1200/2400, FETtec Onewire

  • FETtec KISS firmware

  • Onboard OSD

    • Graphic OSD (STM32)

    • Full KISS Tuning

      • Filter (PIDs, Rates, Settings)
      • LED control (RGB LED, Racewire)
      • VTX
      • Live data graphs (Voltage, motor rpm, current, motor temp, gyro values, link quality)
      • KISS GPS support + live map
      • Custom graphic pilot logo
      • Stick overlay
      • Custom layout
      • can be deactivated for usage of digital systems
  • Connector type: JST-SH-1mm


*real Pit-Mode: A power supply pin which is remotely switchable




  • Maximum outside dimensions: 37,2 x 37,2mm, without outside tips 30 x 30mm

  • Mounting hole arrangement:

    • 20 x 20mm with M2 mounting hole (expandable to M3)

    • 30 x 30mm with M3 mounting hole

    • 30 x 30mm mounting hole tips are removable to reduce overall FC size

  • Overall height: 7,9mm

  • Weight: 5,37g



  • KISS Firmware
  • FETtec OSD Firmware


Scope of delivery:

  • 1x FETtec FC G4
  • 1x 8 pin cable (open on one side)
  • 1x 6 pin cable (open on one side)
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