Professional videographers and filmmakers have long struggled with wireless video transmission limitations—delays, interference, and unreliable connections that compromise creative vision. DJI's new SDR Transmission system, powered by software-defined radio technology, promises to address these challenges with unprecedented stability, clarity, and reliability.
SDR Technology: Redefining Wireless Transmission
At the core of DJI SDR Transmission lies its software-defined radio (SDR) technology, which delivers significant improvements over traditional Wi-Fi transmission in stability, interference resistance, and penetration capability. The system maintains Wi-Fi compatibility for flexible monitoring when needed.
Performance Comparison: SDR vs. Wi-Fi
|
Feature
|
SDR
|
Wi-Fi
|
|
Transmission Distance
|
650% improvement
|
-
|
|
Bitrate
|
67% improvement
|
-
|
|
Interference Resistance
|
30% improvement
|
-
|
Key Features and Technical Advantages
Extended Range and Stable Transmission
The system achieves up to 3km transmission distance in ideal conditions (2km in Japan), with robust penetration capability that maintains signal integrity in complex environments.
High-Definition Image Quality
With a maximum bitrate of 20 Mbps, the system supports 1080p/60fps real-time video transmission, delivering detailed monitoring for precise creative decisions.
Intelligent Frequency Hopping
Automatic switching between 2.4GHz, 5.8GHz, and DFS bands ensures stable transmission by selecting optimal channels when interference is detected.
Multi-User Monitoring
In broadcast mode, a single transmitter can connect to unlimited receivers, facilitating large-scale production team coordination.
Enhanced Functionality
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Ultra-Low Latency:
80ms end-to-end delay (35ms excluding camera and display processing)
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Metadata Support:
SDI metadata transmission for ARRI, RED and other cinema cameras
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Voice Communication:
Real-time intercom between transmitter and receiver
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Compact Design:
145g weight (including antennas) with foldable antennas for portability
Technical Specifications
Transmitter
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Weight: ~145g (with antennas)
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Dimensions: 86.5×64×32mm
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Input Interfaces: SDI, HDMI, 3.5mm audio, USB-C
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Max Bitrate: 20Mbps (SDR), 8Mbps (Wi-Fi)
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Power Consumption: 8.2W
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Operating Temperature: -10°C to 40°C
Receiver
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Weight: ~145g (with antennas)
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Dimensions: 86.5×64×32mm
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Output Interfaces: SDI, HDMI, 3.5mm audio, USB-C
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Max Bitrate: 20Mbps
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Power Consumption: 8.3W
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Operating Temperature: -10°C to 40°C
Package Contents
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DJI SDR Transmission Transmitter (TX) × 1
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DJI SDR Transmission Receiver (RX) × 1
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USB-A to USB-C Cable (43cm) × 1
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TX Camera Mount Adapter Plate × 1
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TX Gimbal Mount Adapter Plate × 1
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