Overview
The T-Motor Pacer Alpha G4 is a flight controller designed for FPV builds requiring high flight robustness, low-latency control, and a 30.5*30.5 M3 mounting pattern. It supports HD and Analog dual versions and supports the DShot2400 protocol.
Key Features
- High flight robustness: Stable flight even with bent propellers
- Simulator-like flight experience: Enable real-life replication of flight acrobatics practiced in simulators
- Supports DShot2400 protocol: High frequency control signal, precise flight control
- HD and Analog dual versions: Specialized flight control for HD and Analog VTX for better user experience
- DJI O3 Air Unit Plug-N-Play: No-solder setup for a fast and clean build
- Firmware: FETtec Alpha
Specifications
| Input voltage | 3-6S |
| MCU | STM32G473 |
| Gyroscope | IIM-42652 |
| BEC | 5V2A/10V2A (HD); 5V2A (Analog) |
| OSD | HD OSD (HD); STM32G071 (Analog) |
| Firmware | FETtec Alpha |
| Protocol | Supports DShot2400 |
| UART ports | UART4 (MSP), UART2 (RX) |
| Size | 37*37*4.6MM |
| Weight | 6.6g |
| Mounting holes | 30.5*30.5/M3 (including shock absorption ring) |
For product support and documentation help, contact support@rcdrone.top or visit https://rcdrone.top/.
What’s Included
- 1x T-Motor Pacer Alpha G4 Flight Controller (HD version, 30.5x30.5mm)
- 1x Accessory Kit
Applications
- FPV builds requiring a 30.5*30.5 M3 flight controller mounting pattern
- HD or Analog FPV setups (depending on selected version)
Manuals
- Pacer G4 Analog back(1).pdf
- Pacer G4 Analog front 1.pdf
- Pacer G4 Analog front 2.pdf
- Pacer G4 HD back(1).pdf
- Pacer G4 HD front(1).pdf
- Alpha FC tutorial.docx
Details

High flight robustness supports stable performance even when a propeller gets bent.

The T-Motor Pacer Alpha G4 flight controller features a USB-C port and clearly labeled pads to simplify wiring and setup.

The T-Motor Pacer Alpha G4 flight controller features clearly labeled VBAT, 12V, 5V, GND, LED, and buzzer pads for clean wiring.

The T-Motor Pacer Alpha G4 flight controller features clearly labeled solder pads and an Alpha G4 HD board layout for clean FPV wiring.

T-Motor Pacer Alpha G4 supports 3–6S input and uses an STM32G473 MCU with an IIM-42652 gyroscope.

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