Overview
The CaddxFPV Protos 1.6" FPV drone is a compact brushless quad designed for indoor and outdoor FPV flying, training, and freestyle practice. It uses a Caddx Protos AIO flight controller and an Ascent Lite video transmission system for real-time FPV feed.
Key Features
- Brushless power system: 1102 14000KV motors with HQprop U40mm x 3GR-PC-1.5mm propellers
- Ascent Lite video transmission system (VTX model: Ascent Lite), with selectable power 25~100mW
- Max transmission range: max 3km
- Low latency FPV: average delay 35ms (also shown as 30ms low-latency in product graphics)
- Camera/video: 1080P 60FPS or 720P 60FPS, 16:9, 147° FOV, 1/2.8 inch sensor; also shown as “2MP FPV HD Camera” in product graphics
- Optical flow for indoor hovering, plus a failsafe lock for emergency recovery
- Flight modes shown: Posh(hold) mode, Angle mode, Acro mode
- Stunt flying shown: flip, roll, 180° spin turn, FOAC (feature name shown in product graphics)
- Low-light sensitivity shown: 0.01 Lux
- Throttle response shown: 10ms; max speed shown: 10 m/s
Specifications
| Flight controller | Caddx Protos Aio 1.0 |
| Main control chip | STM32-F405RGT6 |
| Gyroscope | BMI270 |
| Barometer | SPL06 |
| Onboard receiver | ESP8285 |
| RC receiver / protocol | ELRS 2.4GHz |
| ESC protocol compatibility | Bluejay / BLHeli-S (optional) |
| ESC maximum current | 12A (single channel) |
| Motor diagonal distance | 78mm |
| Motors | 1102 14000KV |
| Propellers | HQprop U40mm x 3GR-PC-1.5mm |
| Dimensions | 110 x 102.8 x 41mm |
| Weight | 104.4g +/- 1.5g (also shown as “lightweight 100g design” in product graphics) |
| Flight endurance | 8.5min +/- 0.5min (also shown as “10-minute flight time” in product graphics) |
| VTX model | Ascent Lite |
| Video transmission | Ascent Lite (also shown as 5.8GHz FPV transmission in product graphics) |
| VTX power | 25~100mW |
| Max transmission range | Max 3km |
| Latency | Average delay 35ms |
| Image sensor | 1/2.8 inch sensor |
| Field of view (FOV) | 147° |
| Aspect ratio | 16:9 |
| Video resolution | 1080P 60FPS; 720P 60FPS |
| Built-in storage | N/A |
Applications
- Indoor flight and FPV training
- Outdoor flying and general FPV practice
- Drone racing (practice)
- Freestyle maneuvers such as flips, rolls, and 180° spin turns
For setup and compatibility questions (radio link, ELRS binding, VTX settings), contact support@rcdrone.top or visit https://rcdrone.top/.
Details

Built for indoor practice and outdoor flying, Protos keeps training sessions and casual freestyle in one compact quad.


Optical flow helps maintain a steadier hover indoors for easier learning and smoother close-range flights.

Switch between Posh(hold), Angle, and Acro modes to match beginners, trainers, and full manual freestyle control.



Ascent Lite VTX focuses on low-latency video and solid signal penetration for longer-range FPV sessions.

Key specs at a glance: 2MP HD FPV camera, up to 1080p/60fps, 5.8GHz video link, lightweight build, and quick throttle response.
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