Overview
The EMAX Babyhawk II HD is a 3.5-inch micro DJI digital FPV drone platform designed for an HD FPV system while targeting a sub-250 g class. EMAX describes it as a ground-up redesign focused on aerodynamic performance for HD flying.
Key Features
- HD FPV system: Caddx Vista HD video transmitter paired with an HD camera option (Nebula Pro camera or Polar camera, depending on version)
- Power system: ECO 1404 3700KV brushless motors
- Propellers: AVAN 3.5 inch propellers (AVAN Scimitar 3.5" referenced by EMAX), tuned for linear throttle response, flight time, and control
- Flight stack: F4 flight controller (STM32F411 firmware) with 4-in-1 25A ESC
- Designed to support additional payloads such as an action cam (per EMAX)
For configuration help and after-sales support, contact https://rcdrone.top/ or email support@rcdrone.top.
Specifications
| Model | Babyhawk II HD |
| Diagonal wheelbase (without paddles) | 155mm |
| Maximum size of the aircraft (without antenna, cable tie) | 210mm |
| Aircraft weight (without battery) | 141g |
| Motor | ECO1404-3700KV |
| Propeller | Avan 3.5 inch Propeller |
| Main Flight Controller | F4 (STM32F411 firmware) |
| ESC | 4 in 1 25A ESC |
| Camera & Video Transmitter | Caddx Vista HD VTX + Nebula Pro Camera (Nebula Pro version) / Caddx Vista HD VTX + Polar Camera (Polar Cam version) |
Applications
- DJI digital HD FPV flying with Caddx Vista HD
- Compact 3.5-inch FPV drone builds focused on efficiency and control
- Light additional payload use (such as an action cam), as described by EMAX
Videos
Details

The Babyhawk II HD is a 3.5-inch micro platform built around DJI digital HD FPV while aiming for a sub‑250 g setup.

Caddx Vista HD digital video transmission is paired with a compact flight stack for clean HD FPV performance.

Reference specs are included for the Nebula Pro camera version, including 155 mm wheelbase and 141 g weight (without battery).

A low-profile frame and protected camera cage help keep the build compact for freestyle and efficient cruising.


The Polar camera version uses the same Caddx Vista HD VTX, with a spec table provided for quick comparison.
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