Overview
HEQUAV G-Port is a 3-axis gimbal component designed for FPV and fixed-wing builds. This 3-axis gimbal component delivers stable camera control, supports upright or inverted installation, and interfaces with DJI O3/O4/O4 Pro Air Unit or Caddx/Walksnail/RunCam digital camera systems via mavlink, sbus, and pwm inputs. Operating voltage is 12V-18V, enabling quick assembly of a personalized gimbal camera across various flight platforms.
Important compatibility note
This gimbal cannot support DJI O3/O4/O4 Pro Air Unit and Caddx/Walksnail/RunCam cameras at the same time. Select the correct version before purchase. For other camera types, confirm compatibility with HEQUAV first.
Key Features
- Mechanical three-axis stabilization with high stability for FPV and fixed-wing applications.
- Upright or inverted installation to suit different airframes.
- Control inputs: mavlink, sbus, pwm.
- Supported control modes (see tutorials): headlock, FPV mode, free axis selection, 3-axis lock mode (full posture), zero calibration, head tracking installation.
- Supply voltage: 12V-18V.
- Camera ecosystem options by version: DJI O3 / DJI O4 / DJI O4 Pro, or Caddx/Walksnail/RunCam digital systems.
- Weights by version (approx.): DJI O3 & Caddx 67 g; DJI O4 Air Unit 75 g; DJI O4 Air Unit Pro 71 g.
- Dimensions: 48.5 x 49 x 67.5 mm (note: overall size is the same across versions; only the camera frame bracket differs).
- Mounting hole diameter: 2.1 mm; includes shock-absorbing balls and a carbon plate bracket.
- Shipping from China: 15-20 days (contact us to discuss faster methods). Warranty: 12 months.
For pre-sales model selection or order assistance, contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Axes | Mechanical three-axis |
| Supply voltage | 12V-18V |
| Control inputs | sbus, pwm, mavlink |
| Installation | Upright or inverted |
| Gimbal angles | Pitch: -135° to 45°; Yaw: -135° to 135°; Roll: -45° to 45° |
| Dimensions | 48.5 x 49 x 67.5 mm |
| Weight (DJI O3 & Caddx version) | 67 g |
| Weight (DJI O4 Air Unit version) | 75 g |
| Weight (DJI O4 Air Unit Pro version) | 71 g |
| Mounting hole diameter | 2.1 mm |
| Supported camera types | DJI O3 / O4 / O4 Pro; Caddx/Walksnail/RunCam (version-specific) |
Compatible cameras (version-specific)
- O3 version: DJI O3 Air Unit
- O4 version: DJI O4 Air Unit
- O4 Pro version: DJI O4 Pro Air Unit
- Caddx/Walksnail/RunCam versions: CADDXFPV Polar Starlight Vista Kit; CADDXFPV Nebula Pro Vista Kit; Walksnail Moonlight Kit; Walksnail Avatar HD Kit V2 (Dual Antennas Version); Walksnail Avatar HD Pro Kit (Dual Antennas Version); Walksnail Avatar HD Pro Kit; Walksnail Avatar HD Kit V2; RunCam Link Phoenix HD Kit; RunCam Link Wasp Kit; RunCam Link Night Eagle Kit
Note: This gimbal supports one ecosystem at a time. Confirm and purchase the matching version.
What’s Included
- G-Port gimbal component x1
- G-Port cable x3
- Bracket carbon plate x1
- Shock-absorbing ball x4
- Matching screws x6
- Manual x1
Manuals
- HEQUAV YouTube G-Port playlist: Playlist
- Simple Assembly Introduction: Watch
- How to start the G-port gimbal assistant software: Watch
- G-Port Calibration: Watch
- Gimbal channel and modes settings: Watch
- Gimbal camera settings: Watch
- Gimbal firmware upgrade: Watch
- How to change coaxial cable: Watch
- FPV mode introduction: Watch
- Head tracking installation: Watch
- Headlock, free axis selection, torque setting: Watch
- 3-axis lock mode (full posture), zero calibration: Watch
- Download latest Assistant software, firmware, and manuals: HEQUAV Download Center
Applications
- Custom gimbal cameras for FPV drones and fixed-wing platforms
- UAV builds requiring compact 3-axis camera stabilization
Details

HEQ G-Port 3-axis gimbal for FPV and fixed-wing drones supports DJI O3/O4/O4Pro/Caddx, Mavlink/SBUS/PWM, with pitch/yaw/roll control, lightweight build, customizable camera support, and detailed dimensions/mounting specs.
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