How do I stream a DJI drone directly to OBS Studio without lag?

Use CastZero Engine on your Windows PC. It converts incoming wireless RTMP video from the DJI Fly app or DJI RC 2 into a local UDP WebRTC stream (http://localhost:8889/streamkey) that decodes in OBS Studio under 50ms.

What is the best zero latency RTMP server for Windows?

CastZero Engine is purpose-built for low latency local RTMP and WebRTC video ingestion, offering sub-50ms delay for DJI drones, GoPro Hero cameras, and smartphone rigs.

FREE STREAMING TOOL

DJI DRONE BITRATE & BANDWIDTH CALCULATOR

Calculate optimal video bitrate, stream resolution, and data consumption for DJI Mavic, Air 3S, Mini series, and Smart Controllers.

DJI Controller / App Type

Target Stream Duration (Hours)

RECOMMENDED RESOLUTION

720P @ 30FPS

OPTIMAL RTMP BITRATE

3.5 MBPS

ESTIMATED DATA USAGE

3.15 GB

WI-FI SPECTRUM & NETWORK RECOMMENDATION

For DJI RC 2, select 720p resolution and set the bitrate slider to 3Mbps – 4Mbps. Use a dedicated 5GHz Wi-Fi access point near your ground station to prevent wireless packet drops.