Overview
The EMAX Cinehawk HD is a 3.5 inch FPV drone platform designed for cinema-focused flying and DJI O3 Air Unit digital FPV, offered as BNF ELRS or BNF On board RX (receiver type depends on the selected version). It features internal 4K video support through the DJI O3 Air Unit, with DJI RockSteady video stabilization for smoother footage.
Key Features
- Cinema-focused FPV drone design
- DJI O3 Air Unit for camera and VTX (digital video transmission)
- Aircraft grade carbon fiber frame design for durability and serviceability/modularity
- Powered by high performance brushless 2004 motors (ECOII-2004 3000KV specified)
- Open-source flight control ecosystem based upon Betaflight
- ELRS open source radio system design intent to work with a wide range of compatible controllers (ELRS 2.4G receiver specified)
Specifications
| Model | CINEHAWK (3.5 Inch) |
| Diagonal wheelbase (without propeller) | 151mm |
| Maximum size of drone (without propeller) | L*W*H = 221*193*65mm |
| Drone weight (without battery) | 236 ±2g |
| Motor | ECOII-2004 (3000KV) |
| Propeller | Avan 3.5*2.8*3 |
| Battery | 4S (battery needs to be purchased by yourself) |
| Main board | EMAX F411 AIO (F4, 4 IN 1 25A electric regulator (8-bit) integrated board) |
| Receiver | EMAX ELRS 2.4G RX |
| Camera | O3 Air Unit |
| Antenna/VTX | O3 Air Unit |
Applications
- Cinematic FPV video capture with DJI O3 digital FPV system
- Customizable builds and tuning using Betaflight ecosystem
For setup assistance and after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Videos
Details

Designed as a cinema-focused 3.5-inch platform, Cinehawk HD pairs ducted prop protection with a durable carbon frame.

The DJI O3 Air Unit setup supports internal 4K capture with RockSteady stabilization for smoother footage.

Aircraft‑grade carbon fiber construction helps keep the build rigid while staying easy to service and tune.

High-performance 2004 motors deliver responsive throttle control for cinematic lines and confident recovery.

ELRS radio support is built in for reliable control with a wide range of compatible transmitters.

