DarwinFPV Cement Ultra-Durable 5.8G 2.5W Waterproof VTX, 40CH SmartAudio MMCX, DC 7-33V IP67
DarwinFPV Cement Ultra-Durable 5.8G 2.5W Waterproof VTX, 40CH SmartAudio MMCX, DC 7-33V IP67
DarwinFPV
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Overview
DarwinFPV Cement Ultra-Durable 5.8G 2.5W Waterproof video transmitter (VTX) is a high-power analog FPV VTX designed for stable video transmission in demanding builds. It features an aluminum CNC housing with active fan cooling, IP67 waterproof protection, dual-stage filtering to reduce screen flicker, and SmartAudio support for OSD-based parameter adjustment.
Key Features
- 2500mW (2.5W) high power output for stronger penetration, more stable video transmission, and longer range
- Aluminum CNC housing + active fan cooling for continuous and stable full-power output
- IP67 waterproof rating: withstands submersion up to 0.5 meters for 30 minutes without damage
- Built-in dual-stage filter circuit for cleaner video with reduced screen flicker
- Protection circuits: reverse polarity, surge, and over-temperature protection
- SmartAudio VTX control protocol with OSD parameter adjustment
- Slim, compact design; comparable in size to DJI O3 (reference dimensions shown: DJI O3 30.5 mm x 32.5 mm)
For installation or wiring support, contact https://rcdrone.top/ or email support@rcdrone.top.
Specifications
| Model | Cement Ultra-Durable 5.8G 2.5W Waterproof VTX |
| Output power | 200mW / 800mW / 1W / 2.5W |
| Transmission distance | 8km (No interference at the beach) |
| Input power | DC 7-33V |
| Output voltage | None |
| Current | 10V / 900mA @ 2.5W |
| Video format | NTSC / PAL |
| Output frequency | 40CH (A-B-E-F-R) |
| Parameter adjustment method | OSD |
| Indicator light | 1 power indicator light (red light) |
| Microphone | None |
| VTX protocol | SmartAudio |
| Antenna interface | MMCX |
| Working temperature | -10°C to 40°C |
| Installation hole position | 20 x 20mm (M2) |
| Dimensions | 32 x 28.5 x 15mm (including the fan) |
| Weight (without the antenna) | 21.8 +/- 2g |
What’s Included
- 1 x Cement Ultra Durable 2.5W Waterproof VTX (including fan, VTX cable)
- 2 x Stickers
- 1 x Accessory bag:
- 5 x M2*14 316 round head hexagon screws
- 5 x M2 304 nuts
- 1 x 100mm feeder
- 1 x MMCX pigtail antenna (140mm)
Applications
- Analog FPV drone builds requiring high-power 5.8G video transmission
- Outdoor flights where waterproofing and active cooling are required
Details
Push higher output power for stronger 5.8GHz analog video link performance when your build demands it.
CNC aluminum housing and active fan cooling help maintain stable output during extended full-power runs.
IP67 waterproof protection helps keep the VTX working through rain, splashes, and wet landings.
A built-in dual-stage filter circuit is designed to reduce screen flicker for a cleaner analog feed.
Protection circuits add confidence against wiring mistakes, voltage spikes, and overheating.
Slim dimensions make it easier to fit in compact frames while still adding active cooling.
