DJI SDR Transmission 2
DJI SDR Transmission 2
Couldn't load pickup availability
The DJI SDR Transmission 2 represents the cutting-edge evolution of ultra-compact wireless video transmission systems for film, broadcast, and professional video productions. Based on DJI’s proprietary Software Defined Radio (SDR) technology, this device is designed to ensure excellent signal stability, ultra-low latency, and superior image quality even on the most crowded sets rife with RF interference.
Innovations and Key Strengths
-
Unified Transceiver Design (TX/RX):
Unlike traditional systems with rigid, separate TX and RX units, each module of the DJI SDR Transmission 2 can operate as both a transmitter and a receiver. This ensures maximum flexibility on set and reduces the amount of hardware that needs to be transported.
-
DCI 4K HDR 10-bit Video Quality and 50 Mbps Bitrate:
The system marks a generational leap, supporting transmission up to DCI 4K/60fps and UHD 4K/60fps with HDR (HLG/HDR10) support and color sampling up to 10-bit (via HDMI and DisplayPort/USB-C). With a maximum bitrate of 50 Mbps, image details remain crisp, artifact-free, and faithful to the requirements of directorial monitoring.
-
Multi-Group Transmission and Extended Control:
- 1 TX to up to 8 RX: A single transmitter can send the video stream to up to 8 receivers simultaneously while maintaining remote control of the camera and gimbal.
- Broadcast Mode: Allows reception by an unlimited number of monitors/receivers for collective viewing by the crew.
- Multi-Group Configuration: Supports the simultaneous use of up to 5 transmitters and 40 receivers in the same work environment without overlaps or performance drops.
-
Auto Channel 2.0 Technology:
The system integrates an advanced automatic frequency coordination algorithm (2.4 GHz, 5.2 GHz, 5.8 GHz, and DFS bands). In the presence of interference, the units perform diagnostic spectral scans and change frequencies transparently and imperceptibly, ensuring continuous video flow.
-
Modular Design and Extended Ecosystem:
The main unit integrates HDMI and USB-C (with DisplayPort) inputs/outputs. For broadcast requirements using SDI cables, the dedicated DJI SDR Transmission 2 Expansion Plate is available. The device offers deep integration with the DJI Ronin series (RS 5, RS 4 Pro, RS 4, RS 3 Pro, Ronin 2, Master Wheels) and devices such as Osmo Action 6 and Osmo Pocket (starting from Pocket 4).
Detailed Technical Specifications
| Parameter | Technical Specifications (DJI SDR Transmission 2) |
| Transmission Technology | DJI proprietary Software Defined Radio (SDR) |
| Form Factor | Compact transceiver (selectable TX/RX mode) |
| Dimensions (Transceiver) | 76 × 61 × 25 mm (excluding antennas and shoe mount) |
| Dimensions (Expansion Plate) | 76 × 54 × 25 mm |
| Weight |
|
| Max Resolution & Frame Rate |
HDMI / DP (USB-C): DCI 4K (up to 60fps), UHD 4K (up to 60fps), 1080p, 1080i, 720p SDI (with plate): 1080p (up to 60fps), 1080i, 720p |
| Dynamic Range and Color | HDR10 and HLG support (via HDMI/DP), up to 10-bit (YCbCr 4:2:2 / RGB 4:4:4) |
| Max Encoding Bitrate | Up to 50 Mbps (H.265) |
| Minimum Latency | 35 ms (excluding camera and monitor latency) |
| Max Transmission Range | 4 km (CE standard) / 3 km (FCC standard) |
| Frequency Bands |
|
| Transmission/Reception Capacity |
|
| I/O Connectivity (Base Unit) |
|
| I/O Connectivity (Expansion Plate) |
|
| Power Options |
|
| Audio | Integrated input (HDMI/SDI/DP), 16-bit / 48 kHz PCM Stereo output |
Comparison: DJI SDR Transmission 2 vs Previous Model (1st Generation)
The comparison highlights the performance evolution between the DJI SDR Transmission 2 and the first generation (DJI SDR Transmission):
| Feature | DJI SDR Transmission 2 | DJI SDR Transmission (1st Gen) |
| Module Architecture | Flexible transceiver (each unit acts as TX or RX) | Distinct Transmitter (TX) and Receiver (RX) units |
| Max Video Resolution | DCI 4K / UHD 4K at 60 fps | 1080p at 60 fps |
| HDR & Color Depth Support | Supported (HLG / HDR10, up to 10-bit) | Not supported (8-bit RGB888) |
| Max Bitrate | 50 Mbps | 20 Mbps |
| Channel Management | Auto Channel 2.0 (proactive scanning and multi-unit coordination) | Standard automatic channel management |
| RX Capacity with Control | Up to 8 simultaneous RX with full remote control | Up to 2 control devices (unlimited RX in Broadcast) |
| Multi-Set/Group Capacity | Up to 5 TX and 40 RX operational on the same set | Limited multi-transmitter management |
| Max Range (CE) | 4 km | 2 km (CE) / 3 km (FCC) |
| USB-C / DisplayPort Interface | Supports 4K video, monitoring, power, and control via DP | Monitoring and power |
| SDI Modularity | Integratable via optional Expansion Plate | Native / fixed SDI port on dedicated model |
| Ecosystem Integration | DJI RS 5, RS 4 Pro, RS 4, RS 3 Pro, Ronin 2, Master Wheels, Osmo Action 6, Pocket 4+ | DJI RS 4 Pro, RS 4, RS 3 Pro |
| Single Unit Dimensions | 76 × 61 × 25 mm | 86.5 × 64 × 32 mm |
| Main Unit Weight | ~136 g | ~145 g |
The DJI SDR Transmission 2 reduces overall weight and size while introducing support for 10-bit 4K HDR video, an increased bandwidth of 50 Mbps, and intelligent RF channel management (Auto Channel 2.0). The unified TX/RX modularity represents an extremely flexible solution for both small crews and film-level productions with multiple camera units operating simultaneously.
Shipping and Warranty
Shipping and Warranty
All products available in stock will be delivered with an average timing of 24/48 hours.
Italy warranty with dedicated consulting support, contact us!
