FETtec FC G4 KISS N v1.7


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Product description

FETtec FC G4 KISS N v1.7 Flight Controller

The “N” version of the FETtec FC G4 is a state-of-the-art flight control system for FPV drones. Compared to the standard version, it offers unique features and flexibility. With the latest STM32G473 processor and an IIM-42652 SPI gyro, the FC-G4-N offers outstanding performance and stability.

The FC-G4-N is rated for a 6-27V supply voltage (2S-6S Lipo) and features two integrated BECs of 2A each. It also offers a 5V BEC for the receiver (RX) and a configurable 5V/16V BEC for the VTX (video transmitter) with the option of connecting to a FETtec OSD board for analog system use.

In addition to the enhanced protections for the microcontroller’s IO ports, the FC-G4-N provides connectivity for ESCs, VTX, camera and OSD of the digital systems through various connectors. There are also 5 UART interfaces available. The FC-G4-N supports a variety of ESC protocols such as PWM, Oneshot125, Oneshot42, Dshot150/300/600/1200/2400 and FETtec Onewire.



  • Latest STM32G473 processor
  • 180 MHz + Math Accelerator
  • Gyro IIM-42652 SPI
  • Designed for 6-27V supply voltage (2S-6S Lipo)
  • 2x onboard BEC (2A each)
  • 5V BEC for RX
  • 5V/16V BEC for VTX (configurable and real pit*)
  • Improved IO protection
  • 2x 8-pin connectors for solderless ESC connection (connector 1: ESC signal 1-4, telemetry, VCC, GND; connector 2: ESC signal 5-8, telemetry, VCC, GND)
  • 1x 8-pin connector for solderless connection to VTX, camera and OSD of the digital systems (real pit* VCC, GND, video in, video out, BEC 5V/16V, VCS/TX3, RX3)
  • 2x 6-pin connector 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 interfaces (UART 1 free, UART 2 occupied by receiver, UART 3 free, UART 4 free, UART 5 occupied by ESCs/TLM/Onewire)
  • 4 ESC solder pads (signal/GND) at each corner
  • Buzzer pads
  • 4 RGB LEDs (color selectable)
  • Supported ESC protocols: PWM, Oneshot125, Oneshot42, Dshot150/300/600/1200/2400, FETtec Onewire
  • FETtec Alpha FC firmware (KISS FC firmware flashable)
  • Connector type: JST-SH-1mm
  • *Real Pit-Mode: Supply pad switchable


  • Maximum outer dimension: 37.2 x 37.2 mm, without mounting tabs 30 x 30 mm
  • Mounting hole arrangement: 20 x 20 mm with M2 mounting holes (can be enlarged to M3), 30 x 30 mm with M3 mounting holes
  • 30 x 30 mm mounting hole tabs are removable to reduce overall FC size
  • Height: 7.9 mm
  • Weight: 5.37 g



  • FETtec Alpha FC firmware (KISS FC firmware flashable)


Scope of delivery:

  • 1x FETtec FC G4-N v1.7
  • 1x open 8-pin cable (one-sided JST connector)
  • 1x open 6-pin cable (one-sided JST connector)
  • 1x open 4-pin cable (one-sided JST connector)

*Real Pit mode: supply pad switchable

Discover the power and flexibility of the FETtec FC G4-N and optimize your FPV experience!


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