Gimbal Private Protocol Assistant
Characteristics
· Compatible with a variety of digital systems such as DJI O3, Walksnail Avatar, Walksnail Moonlight, and 19mm wide analog cameras or other devices.
· The main body is made of aluminum magnesium alloy, which is extremely compressed in size and weight.
· With a 2-axis mechanical stabilization structure and high-torque motors, the C-20D is able to provides an extreme stabilization effect against the vibration and high-speed air impact.
· Multiple stabilization modes are suitable for a variety of platforms such as RC cars, realistic RC planes.
· Supports Headtracker, UART (private protocol & MAVLink), S.BUS, CRSF and PWM control.
· Can be mounted whether downward or upward.
· 7.4~26.4 VDC wide voltage input.

| General | |||
| Product Name | C-20D | ||
| Dimensions (with damper) | Alloy: 53.4 x 40.8 x 28.8mm Basic: 54.5 x 41.2 x 35mm | ||
| Weight (with damper) | Alloy: 30g Basic: 34g | ||
| Operating Voltage | 7.4 ~ 26.4 VDC | ||
| Power | 1.2W (Static) / 9.5W (Stall) | ||
| Mounting | Downward / Upward | ||
| Control Port | Headtracker / UART (private protocol & MAVLink) / S.BUS / CRSF / PWM | ||
| Gimbal | |||
| Gimbal Type | 2-axis Mechanical Stabilization | ||
| Angular Accuracy | ±0.05° | ||
| Controllable Range | Pitch: ±120°, Roll: ±60 | ||
| Max Rotation Speed | ±1500°/s | ||
| Camera Suitability | |||
| Maximum Weight | 20g | ||
| Maximum Width | 19mm | ||
Release and Upgrade | ||
C-20D Release and Upgrade Records | 2025-07-07 | |
Software and Firmware | ||
C-20_Upgrade_Package_V3.8 | 2025-07-07 | |
Gimbal Private Protocol Assistant | 2025-07-10 | |
Document | ||
| C-20D Horizontal 2-Axis Gimbal Specifications | 2025-09-05 | pdf |
| C-20D Horizontal 2-axis Gimbal User Manual-XF(A5)V1.4 | 2025-09-05 | pdf |
| Gimbal Private Protocol-XF(A5)V1.0.3 | 2025-07-07 | pdf |
Blueprint | ||
| 3D Print Files | 2025-06-26 | rar |
| C-20D_Simplified Model | 2024-06-12 | stp |
| C-20D_Basic_Simplified Model | 2025-05-19 | stp |