DJI O4 Air Unit Pro – 4K/120fps Digital FPV Video Transmission System

Product Overview

The DJI O4 Air Unit Pro is DJI’s most advanced FPV video transmission system, engineered for drone pilots, FPV racers, aerial cinematographers, and professional UAV applications. Featuring a powerful 1/1.3-inch CMOS sensor, 4K/120fps recording, ultra-low 15ms latency, and an impressive 15km transmission range, the O4 Air Unit Pro delivers exceptional image quality and real-time responsiveness.

Weighing only 32 grams, this lightweight FPV system combines flagship digital video transmission with professional-grade imaging, making it the perfect choice for freestyle flying, cinematic FPV content creation, drone racing, and custom UAV builds.

Key Features

Flagship O4 Digital Video Transmission

Experience crystal-clear FPV flying with DJI’s latest O4 transmission technology, providing stable connections, strong anti-interference performance, and ultra-low latency.

Stunning 4K/120fps Video Recording

Capture ultra-smooth, high-resolution footage with support for up to 4K at 120fps, ideal for cinematic slow-motion videos and professional aerial content.

Large 1/1.3-inch CMOS Sensor

The upgraded image sensor delivers outstanding low-light performance, improved dynamic range, richer colors, and exceptional image clarity.

Ultra-Low 15ms Latency

Enjoy near-instant video transmission for precision control during racing, freestyle maneuvers, and high-speed flights.

Massive 15km Transmission Range

Dual antennas and advanced signal processing provide long-range digital transmission with reliable connectivity.

155° Ultra-Wide Field of View

Capture immersive FPV footage with a wider perspective, making every flight more dynamic and visually engaging.

1080p/100fps Live View

Receive smooth real-time video with high frame-rate transmission for responsive flying and enhanced situational awareness.

Built-In Stabilization Support

Supports RockSteady 3.0+ electronic image stabilization and Gyroflow workflow compatibility for professional-quality footage.

Lightweight Design

At only 32g including the camera module, the O4 Air Unit Pro is perfect for lightweight freestyle, cinematic, and long-range FPV drone builds.

Advanced FPV Transmission Performance

The DJI O4 Air Unit Pro utilizes next-generation O4 digital transmission technology with automatic frequency selection to maintain stable communication even in challenging environments.

Video Transmission Specifications

• Maximum Range: Up to 15km (FCC)
• Ultra-Low Latency: As low as 15ms
• Live View Resolution: 1080p at up to 100fps
• Communication Bandwidth: Up to 60MHz
• Dual-Antenna 2T2R System
• H.265 Video Encoding
• Racing Mode Support

Whether flying through mountains, forests, urban environments, or indoor spaces, the DJI O4 Air Unit Pro delivers reliable, low-latency performance.

Professional Imaging Performance

The DJI O4 Air Unit Pro elevates FPV cinematography with industry-leading image quality.

Camera Specifications

• Image Sensor: 1/1.3-inch CMOS
• Field of View: 155°
• Equivalent Focal Length: 12mm
• Aperture: f/2.8
• Focus Range: 0.6m to Infinity
• ISO Range: 100-25600
• Video Bitrate: Up to 130 Mbps
• Video Format: MP4
• Color Profiles:
  • Normal
  • D-Log M

Supported Video Resolutions

• 4K (3840 × 2160) up to 120fps
• 4K (3840 × 2880) up to 60fps
• 2.7K up to 120fps
• 1080p up to 120fps

Enhanced Creative Control

DJI Avata 2 ND Filter Compatibility

The DJI O4 Air Unit Pro Camera Module is compatible with DJI Avata 2 ND Filters (ND8, ND16, ND32), enabling:

• Better exposure control
• Natural motion blur
• Improved cinematic footage
• Professional shutter speed management
• Balanced colors in bright environments

Canvas Mode & Betaflight OSD Support

Customize your FPV display with:

• Real-time telemetry data
• Voltage monitoring
• GPS information
• Flight statistics
• Personalized OSD layouts

Applications

• FPV Racing Drones
• Freestyle FPV Builds
• Cinematic FPV Filming
• Long-Range FPV Systems
• Custom UAV Projects
• Professional Drone Production
• Aerial Photography & Videography
• Industrial Drone Applications

Technical Specifications