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The Hollyland Cosmo C2 (2TX + 1RX) is a professional wireless video transmission system built for dual-camera production, filmmaking, live broadcasting and multi-camera workflows. With two transmitters and one receiver, it provides a practical way to manage multiple camera feeds while maintaining long-range, low-latency wireless video transmission.
With HEVO 2.0 frequency-hopping technology, up to 3000ft / 1000m line-of-sight transmission, approximately 33ms latency and HDMI/SDI connectivity, the Cosmo C2 is designed for demanding production environments.
The Hollyland Cosmo C2 2TX 1RX is designed for productions where two cameras need to communicate with a central receiving point.
Instead of using completely separate wireless video systems for each camera, the 2TX + 1RX configuration provides a coordinated workflow for multi-camera production.
This makes it particularly useful for:
For creators building a complete professional production setup, explore Camzon’s Camera & Video Equipment collection.
The defining feature of this configuration is its two transmitters and one receiver.
Each transmitter can be connected to a compatible camera, allowing two camera feeds to be incorporated into the same wireless video workflow.
This is especially useful when shooting with:
For production teams, this approach can reduce equipment duplication while keeping both camera positions connected to the central monitoring system.
The supplied specifications list a maximum 3000ft / 1000m line-of-sight transmission range.
This extensive range is particularly valuable for large production environments where the camera and receiving station may be positioned far apart.
Potential applications include:
Actual wireless range depends on obstacles, RF interference and environmental conditions, so the stated distance should be considered a line-of-sight maximum rather than a guaranteed real-world operating distance.
The Cosmo C2 is designed for responsive wireless monitoring, with the supplied specifications listing approximately 33ms latency.
Low latency is particularly important when directors, camera operators and focus-pulling teams need to monitor a live camera feed without a distracting delay.
For professional production, this can make wireless monitoring much more practical than systems with noticeably higher transmission delays.
The HEVO 2.0 transmission technology is one of the system’s key technical features.
It uses frequency-hopping technology designed to help maintain a stable wireless connection in environments where multiple wireless devices may be operating simultaneously.
This is particularly relevant to:
In busy RF environments, signal stability can be just as important as transmission distance.
The Cosmo C2 supports both HDMI and SDI workflows, making it suitable for a broad range of cameras and professional video equipment.
HDMI connectivity is useful with many DSLR and mirrorless cameras, while SDI support makes the system more relevant to professional cinema and broadcast environments.
This flexibility allows production teams to integrate the Cosmo C2 into different camera configurations without being limited to one interface standard.
The supplied specifications identify NDI HX3 support as part of the Cosmo C2’s networking capabilities.
NDI workflows allow compatible video equipment to communicate over IP networks, making this particularly relevant for modern studio, broadcast and livestreaming environments.
For production teams moving toward network-based video workflows, NDI compatibility can add another layer of flexibility.
The Cosmo C2 is well suited to multi-camera livestreaming.
A two-camera setup can provide different perspectives while allowing the production team to work with a centralized wireless video workflow.
For example:
This can add significantly more visual variety to livestreams, interviews and event productions.
The supplied information identifies UVC and RTMP streaming as supported workflows.
UVC compatibility can allow compatible video signals to be recognized by computers without requiring a conventional capture workflow, while RTMP support is useful for internet-based live broadcasting.
This makes the Cosmo C2 relevant to creators producing:
The supplied product information identifies an FPS Booster Algorithm.
This feature is designed to help convert supported lower-frame-rate cinematic signals into smoother output formats.
For productions using 24p or 25p sources while requiring a smoother 60p transmission workflow, this can provide additional flexibility.
The Cosmo C2 also includes a Frozen Frame function according to the supplied information.
If a wireless signal is temporarily interrupted, a frozen image can provide a more controlled fallback display rather than immediately showing an empty or unstable feed.
This can be useful in live production environments where maintaining a professional-looking output is important.
The long transmission distance, low latency and professional connectivity make the Cosmo C2 suitable for demanding filmmaking workflows.
A two-camera wireless setup can provide greater flexibility for live event production and broadcast monitoring.
Large venues often require cameras to operate at significant distances from the production or monitoring area.
Wireless video transmission can give directors and production teams greater freedom to monitor cameras during commercial shoots.
The 2TX configuration is particularly useful for creators who need multiple camera angles during live broadcasts.
Concerts, conferences and corporate events can benefit from long-range wireless camera connectivity.
| Specification | Details |
|---|---|
| Brand | Hollyland |
| Model | Cosmo C2 |
| Configuration | 2 Transmitters + 1 Receiver |
| Wireless Range | Up to 3000ft / 1000m LOS stated |
| Latency | Approx. 33ms |
| Transmission Technology | HEVO 2.0 |
| Video Interfaces | HDMI + SDI |
| NDI | NDI HX3 support |
| Streaming | UVC / RTMP |
| Transmission Type | Wireless Video |
| Camera Support | Compatible DSLR, mirrorless, cinema & video cameras |
| Multi-Camera | Yes |
| FPS Processing | FPS Booster |
| Signal Fallback | Customizable Frozen Frame |
| Primary Applications | Film, Broadcast, Events & Livestreaming |
The Cosmo C2 is best suited to creators and production teams who regularly work with two cameras and need professional wireless transmission rather than a basic short-range monitoring solution.
It is particularly relevant for:
The strength of the Cosmo C2 is its combination of long-range transmission, low latency, dual-camera support and professional video connectivity.
The 2TX + 1RX configuration is particularly useful when two cameras need to feed a centralized production workflow.
With HEVO 2.0, 3000ft / 1000m LOS transmission, approximately 33ms latency, HDMI/SDI support, NDI HX3 and UVC/RTMP capabilities, the system is designed for production environments where reliability and flexibility matter.
If you are building a complete wireless monitoring setup, the Hollyland Pyro 5 is a natural category match for professional wireless monitoring and on-camera production workflows.
For a more compact smartphone-based monitoring approach, explore the Hollyland Vcore Wireless Video Transmission System.
For wireless production audio, the Hollyland LARK MAX 2 complements the Cosmo C2 particularly well for interviews, filmmaking, documentaries and multi-person productions.
You can also browse Camzon’s Camera & Video Equipment collection for cameras, monitors and production accessories.
It means the system includes two wireless transmitters and one receiver, allowing two camera sources to be incorporated into one wireless video workflow.
The supplied specifications state a maximum range of 3000ft / 1000m line of sight.
The supplied information lists approximately 33ms latency.
Yes. The supplied specifications identify both HDMI and SDI connectivity.
Yes. The supplied information identifies UVC and RTMP streaming support, making it suitable for compatible livestreaming workflows.
Yes. The supplied specifications identify NDI HX3 support.
Yes. Its long-range wireless transmission and dual-camera workflow can be particularly useful for large wedding venues and event production.
Yes. The Cosmo C2 is designed for professional video production and supports workflows relevant to filmmaking, commercial production and broadcast.
The Hollyland Cosmo C2 (2TX + 1RX) is a professional dual-camera wireless video transmission system designed for productions that demand distance, stability and flexible connectivity.
Its combination of 3000ft / 1000m stated LOS range, 33ms low latency, HEVO 2.0 transmission, HDMI/SDI support, NDI HX3, UVC/RTMP streaming and 2TX + 1RX architecture makes it particularly well suited to film production, wedding videography, live broadcasting, events and multi-camera livestreaming.
For production teams working with two cameras and looking for a more capable wireless video workflow, the Cosmo C2 provides a strong professional foundation without unnecessarily complicating the camera setup.
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