DJI O4 Pro Video Transmission System（sky unit only ）

DJI O4 Pro Core Technical Specifications

Transmission Core Specifications

• Model: DJI O4 Pro Video Transmission System
• Minimum End-to-End Latency: 2.5ms (720p/120fps mode)
• Max Transmission Range: 20km (FCC compliance), 10km (CE/SRRC compliance)
• Video Resolution & Frame Rate: Up to 4K@60fps, 1080p@120fps, 720p@240fps
• Video Encoding: H.265 (HEVC) 10-bit
• Operating Frequency Bands: 2.4GHz, 5.1GHz, 5.3GHz, 5.8GHz (4-band dynamic frequency hopping)
• Transmission Power: Compliant with global FCC/CE/SRRC/MIC regulatory standards
• Anti-Interference Technology: AI-powered dynamic frequency selection, multi-antenna MIMO, interference avoidance algorithm

Hardware & Interface Specifications

• Air Unit (Transmitter) Weight: 38g
• Sky Unit (Receiver) Weight: 108g
• Video Input Interfaces: 3G-SDI, HDMI 2.0 (dual input for professional cinema cameras)
• Video Output Interfaces: HDMI 2.0, 3G-SDI
• Control Interface: SBUS, CAN bus, UART, Ethernet
• Operating Voltage: 6S-14S LiPo Battery (22.2V-52.8V)
• Power Consumption: Air Unit ≤8W (full load), Sky Unit ≤12W (full load)
• Operating Temperature: -20℃ ~ 55℃
• Waterproof Rating: IP54 (air unit)

Ecosystem Compatibility

• Compatible FPV Goggles: DJI FPV Goggles 3, DJI FPV Goggles 3 Integra
• Compatible Remote Controllers: DJI FPV Remote Controller 3
• Compatible Flight Controllers: Betaflight, INAV, ArduPilot, PX4, DJI Ace Series
• Compatible Cameras: DJI Ronin 4D, RED KOMODO, ARRI ALEXA Mini, Sony FX3/FX6, and all professional cameras with SDI/HDMI output
• Compatible Platforms: Professional cinematography drones, industrial inspection UAVs, long-range FPV aircraft, VTOL hybrid drones, and broadcast UAV systems

Key Features & Benefits of the DJI O4 Pro Video Transmission System

• Industry-Leading Ultra-Low Latency for Precision Control: Delivers a minimum 2.5ms end-to-end latency in 720p/120fps mode, eliminating video lag for critical FPV maneuvers, precision industrial inspection, and dynamic cinematography flight control, outperforming all mainstream digital FPV systems on the market.
• Cinema-Grade 4K/60fps Video Transmission: Supports 4K@60fps 10-bit H.265 video encoding for crystal-clear, true-to-life image quality, with SDI/HDMI dual input for seamless integration with professional cinema cameras, making it the industry standard for aerial cinematography and broadcast UAV applications.
• 20km Ultra-Long Range Stable Transmission: Achieves up to 20km of line-of-sight stable video transmission (FCC standard) with multi-antenna MIMO technology, perfect for long-range FPV exploration, large-area industrial inspection, border patrol, and wide-area aerial mapping missions.
• 4-Band AI-Powered Anti-Interference Technology: Dynamic frequency hopping across 2.4GHz, 5.1GHz, 5.3GHz, and 5.8GHz bands, with AI-powered interference avoidance, ensuring uninterrupted video transmission in high-interference urban environments, near high-voltage lines, industrial facilities, and crowded RF areas.
• Seamless DJI FPV Ecosystem Integration: Fully plug-and-play compatible with the DJI FPV Goggles 3 series and DJI FPV Remote Controller 3, with native support for all mainstream open-source flight controllers, making it easy to integrate into both custom drone builds and professional commercial UAV platforms.
• Ultra-Lightweight Rugged Design: The air unit weighs only 38g, minimizing payload weight for maximum flight time, with an IP54 waterproof rating and wide -20℃ to 55℃ operating temperature range, built to withstand harsh outdoor flight and industrial operating environments.

Ideal Applications & Use Cases

The DJI O4 Pro is purpose-built for professional UAV applications that demand uncompromising video transmission performance, including:

• Professional aerial cinematography and broadcast UAV systems
• Long-range FPV freestyle and exploration aircraft
• Industrial infrastructure inspection UAVs (power lines, pipelines, oil & gas facilities)
• Border patrol and security surveillance UAV platforms
• Large-area aerial mapping and surveying drones
• VTOL hybrid fixed-wing long-endurance aircraft
• Search and rescue (SAR) UAV systems
• University and research UAV platforms

Installation & Setup Guide

• Power Supply: Connect the air unit directly to your drone’s 6S-14S LiPo battery power distribution board, with reverse polarity protection for safe installation.
• Video Input: Connect your camera via SDI or HDMI interface, with plug-and-play auto-detection for all standard video resolutions and frame rates.
• Flight Controller Integration: Connect to your flight controller via SBUS, UART, or CAN bus for telemetry data overlay and flight control synchronization, with native support for Betaflight, INAV, ArduPilot, and PX4 firmware.
• Pairing: One-touch auto-pairing with DJI FPV Goggles 3 and DJI FPV Remote Controller 3, with no manual configuration required for out-of-the-box operation.

Frequently Asked Questions (FAQs)

What is the minimum latency of the DJI O4 Pro?

The DJI O4 Pro delivers a minimum end-to-end latency of 2.5ms when using 720p@120fps video mode, with 4K@60fps mode delivering ≤12ms latency for cinema-grade video transmission.

What is the maximum transmission range of the DJI O4 Pro?

The DJI O4 Pro supports up to 20km of stable line-of-sight transmission under FCC regulatory standards, and up to 10km under CE/SRRC standards, with consistent performance even in high-interference environments.

What is the difference between DJI O4 Pro and the standard DJI O4?

The DJI O4 Pro adds professional SDI/HDMI dual input, supports higher 4K@60fps 10-bit video, delivers longer 20km max range, features enhanced 4-band anti-interference technology, and offers higher power efficiency for professional cinema and industrial applications. The standard DJI O4 is designed for mainstream FPV use, with a focus on compact size and consumer-friendly features.

What goggles and controllers are compatible with the DJI O4 Pro?

The DJI O4 Pro is fully compatible with the DJI FPV Goggles 3, DJI FPV Goggles 3 Integra, and DJI FPV Remote Controller 3, with full plug-and-play integration and no additional configuration required.

Is the DJI O4 Pro compatible with third-party flight controllers?

Yes. The DJI O4 Pro natively supports all mainstream open-source flight controllers, including Betaflight, INAV, ArduPilot, and PX4, via SBUS, UART, and CAN bus interfaces, making it suitable for both custom FPV builds and commercial industrial UAV platforms.

Can the DJI O4 Pro be used for professional aerial cinematography?

Yes. The DJI O4 Pro is purpose-built for professional aerial cinematography, with SDI/HDMI dual input for integration with cinema cameras, 4K@60fps 10-bit video transmission, and ultra-low latency for precise flight control during dynamic shooting, making it the industry standard for broadcast and cinema UAV applications.