Overview
The Walksnail Ascent Lite Kit is a digital FPV VTX camera kit designed as an upgrade path from analog and a practical option for DIY builds. It combines lightweight hardware with HD video modes, low-latency transmission, and wide flight-controller compatibility via a UART 4-pin connection.
Key Features
- Ultra-light design: 6 g
- Low latency transmission: as low as 35 ms
- HD video modes: 1080P/60FPS and 720P/100FPS
- Image sensor: 1/2.8''
- Ultra-wide view: 147° FOV with 16:9 widescreen ratio
- Long-range transmission: up to 3 km; strong signal penetration
- Output power switching: 25 mW and 100 mW
- Automatic frequency hopping support
- UART 4-pin interface compatibility with F4/F7/H7 flight controllers
- Firmware support noted: Betaflight, INAV, Ardupilot
Specifications
| Product | Walksnail Ascent Lite Kit |
| Weight | 6 g |
| Image sensor | 1/2.8'' |
| Video | 1080P/60FPS; 720P/100FPS |
| FOV / Aspect ratio | 147° / 16:9 |
| Latency | 35 ms (low-latency) |
| Transmission range | Up to 3 km |
| RF output power | 25 mW / 100 mW |
| Interface | UART 4-pin |
| Flight controller compatibility | F4 / F7 / H7 |
| Firmware compatibility (noted) | Betaflight; INAV; Ardupilot |
| Camera dimensions (front) | 14 mm x 12 mm |
| Camera length (side) | 15 mm |
| VTX board size | 30.5 mm x 25 mm |
| VTX board thickness | 3.5 mm |
| Antenna length | 90 mm |
| Cable length (shown) | 70 mm |
| Range test note | Furthest test distance noted: 3206 m (tested using a fixed-wing aircraft, Ascent Lite VTX, and Ascent Goggles) |
Applications
- Indoor flying
- Outdoor adventures
- RC racing
For compatibility questions (flight controller wiring, UART setup, or firmware integration), contact https://rcdrone.top/ or email support@rcdrone.top.
Details

The Walksnail Ascent Lite Kit combines a lightweight digital VTX board, camera, and antenna for clean DIY installations.


Switch between HD modes like 1080p/60fps and 720p/100fps for smooth, low-latency FPV flying.


Selectable output power and digital transmission help maintain a stable link across different flying environments.


UART 4-pin wiring supports common F4/F7/H7 flight controllers for straightforward digital FPV upgrades.


Dimension references help confirm fit on tight builds, including camera size, VTX board footprint, and cable lengths.
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