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DJI SDR Transmission 2
Product Code: 9703612A
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The DJI SDR Transmission 2 is a compact wireless transceiver for professional productions, combining stable long-range monitoring, low latency and flexible TX/RX operation with extensive camera and Ronin control.
Buying Options
Key Features
- Switchable TX/RX design for flexible production setups
- One transmitter supports up to eight receivers with control
- Multi-group operation for larger, more complex sets
- Auto Channel 2.0 for intelligent frequency coordination
- Up to 4km range under CE conditions
- Latency as low as 35ms for responsive monitoring and control
- DCI 4K/60p 10-bit HDR wireless transmission
- Ronin ecosystem integration for monitoring and control
Product Summary
DJI SDR Transmission 2 packs professional monitoring and control into a 136g unit that switches between transmitter and receiver depending on how the production is configured, scaling from a single camera to complex sets with multiple crew needing access to the same feed.
One transmitter connects up to eight receivers with control, giving directors, DPs, camera operators and focus pullers their own view while retaining remote operation. Larger productions can run multiple groups at once, with Auto Channel 2.0 coordinating frequencies automatically as interference conditions change.
Range reaches up to 4km under CE conditions, with latency as low as 35ms for responsive focus pulls and gimbal movements. HDMI and USB-C connectivity, plus integration with compatible RS stabilisers, Ronin 2, Master Wheels and the DJI Ronin app, extends the system well beyond a simple video feed.
What’s new?
The second generation extends CE range from 3km to 4km and lifts maximum transmission quality from 1080p/60 to DCI 4K/60p 10-bit HDR over HDMI or DP. Auto Channel 2.0 improves coordination when multiple systems share the same set, and the switchable TX/RX architecture allows more flexible deployment as a production’s needs change.
In More Detail
4K monitoring with higher bitrate
H.265 transmission supports a maximum encoding bitrate of 50Mbps and bandwidth up to 40MHz. DCI 4K and UHD 4K input/output run from 23.98 through to 60fps, alongside 1080p and 720p formats, with 4K available through the main unit's HDMI and bottom USB-C/DP ports.
Audio embeds through HDMI, DP or SDI when using the optional Expansion Plate, output at 16-bit/48kHz stereo PCM.
Compact and adaptable
At approximately 136g including antennas and 76 x 61 x 25mm excluding antennas and the Cold Shoe Adapter, each unit adds little bulk to handheld, gimbal and mounted setups.
The main unit provides HDMI input/output alongside two USB-C connections. The top port handles PD power input/output; the lower one covers DP input/output, power, activation, firmware updates, log export, mobile app connection and compatible DJI equipment.
The optional Expansion Plate adds SDI input/output alongside further HDMI and USB-C connectivity, and supports SDI metadata transmission from cinema cameras including ARRI and RED.
Fast camera switching
Move between camera feeds directly from the transceiver or the Ronin app, no rebooting, scanning or re-pairing required. That makes changing viewpoints quicker on multi-camera productions where operators need to move between sources through a shoot.
Professional and mobile monitoring
HDMI and DP connect directly to professional monitors; add the Expansion Plate for SDI. A receiver can also connect by cable to a compatible phone or tablet running the Ronin app, turning a spare handset into a stable, high-bitrate mobile monitor.
The system operates across 2.4GHz and supported 5GHz bands. 5.8GHz and DFS band availability varies by country or region. 5.8GHz and DFS band availability varies by country or region.
Monitoring tools in the app
LUT support, histogram, waveform and false colour give every operator a familiar way to judge exposure and colour without needing a dedicated monitor of their own.
Remote camera control
PTP support lets compatible settings including aperture, shutter speed and ISO be viewed and adjusted from the app, alongside photo capture and video recording. CEC control is also available with compatible Sony cameras through Mirror Control mode.
Broader Ronin integration
Compatible RS stabilisers operate wirelessly through the app via Force Mobile, virtual joystick and recentering. Ronin 2 and Master Wheels are supported too, for larger cinema rigs, cranes and vehicle-mounted work.
RS 4 Pro, RS 4 and RS 3 Pro need the separately available USB-C to CAN Gimbal Control Cable; Ronin 2 and Master Wheels use the USB-C to 4-pin version instead. RS 5 is also supported.
Add compact and action cameras
Osmo Action 6 and Osmo Pocket models from Osmo Pocket 4 onwards connect over USB-C for monitoring and power, a practical way to bring smaller cameras into sports, reality and hard-to-reach setups where a conventional rig isn't practical.
Flexible power
Run it from standard NP-F batteries (6.8-8.4V), USB-C power (6.8-17.5V DC), or 15V/3A over PD (needs a 65W+ adapter). Compatible RS stabilisers, Ronin 2 and Master Wheels can also power the unit directly when mounted.
Consumption varies with setup: in a one-transmitter/one-receiver pairing, DJI rates the transmitter at roughly 8.52W and receiver at 7.58W, rising to around 10.36W and 8.89W with an Expansion Plate fitted and SDI in use.
Ready for working environments
Operating temperature spans -10°C to 40°C, covering most indoor and outdoor production conditions.
Frequently Asked Questions
Can I use it with the original SDR?
No. It can't cross-connect with other DJI video transmission products, so first-generation units can't join the same group.
Can I use third-party antennas?
No. The antennas are non-removable and third-party antennas aren’t supported.
Can I use several video connections at once?
Depends on the role. As a transmitter, only one input is active at a time. As a receiver, the main unit outputs via DP or HDMI; add the Expansion Plate and you can run up to three feeds simultaneously across the main unit, SDI and HDMI.
Will it interfere with wireless microphones?
Possibly, if sharing a 2.4GHz channel with other wireless gear nearby. Channel selection can be adjusted when needed, and the Channel Dashboard shows signal quality to help pick a cleaner option.
Which cables do I need to buy separately?
A USB-C firmware update cable is included. The L-shaped USB-C video cable and gimbal control cables aren't: RS 4 Pro, RS 4 and RS 3 Pro use the USB-C to CAN cable, while Ronin 2 and Master Wheels need the USB-C to 4-pin version.
Specifications
|
Video transmission system |
SDR |
|
Maximum transmission distance |
4km (CE)* |
|
Minimum transmission latency |
35ms** |
|
Maximum encoding bitrate |
50Mbps*** |
|
Maximum bandwidth |
40MHz |
|
Video coding |
H.265 |
|
Maximum video format |
DCI 4K/60fps |
|
DCI 4K formats |
23.98/24/25/29.97/30/50/59.94/60fps |
|
4K UHD formats |
23.98/24/25/29.97/30/50/59.94/60fps |
|
1080p formats |
23.98/24/25/29.97/30/50/59.94/60fps |
|
1080i formats |
50/59.94/60fps |
|
720p formats |
50/59.94/60fps |
|
Audio input |
SDI embedded, HDMI embedded, DP embedded |
|
Audio output |
16-bit, 48kHz, stereo PCM |
|
Operating frequencies |
2.400-2.4835GHz; 5.150-5.250GHz; 5.250-5.350GHz DFS; 5.470-5.725GHz DFS; 5.725-5.850GHz**** |
|
Ports |
HDMI input/output; top USB-C with PD input/output; bottom USB-C with DP input/output, PD input/output and data/device connectivity |
|
Power supply |
USB-C PD: 15V/3A; USB-C DC: 6.8-17.5V; NP-F battery: 6.8-8.4V |
|
PD adapter requirement |
65W or higher |
|
Power consumption |
Approx. 8.52W transmitter / 7.58W receiver in 1T1R operation |
|
Dimensions |
76 x 61 x 25mm (excluding antennas and Cold Shoe Adapter) |
|
Weight |
Approx. 136g including antennas |
|
Operating temperature |
-10°C to 40°C |
What's in the Box
- SDR Transmission 2 Transceiver x1
- SDR Transmission 2 Camera Cold Shoe Adapter x1
- SDR Transmission 2 NP-F Battery Adapter x1
- Firmware Update Cable (USB-C to USB-C, 50cm) x1
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Check your eligibility
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.
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