Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmission System
Experience the freedom of wireless video transmission with the Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmission System. Delivering high-resolution 1080p60 video up to 3000 feet away with ultra-low 33 ms latency, this system transforms the way you monitor and distribute video in your studio or on-location.
Strong Signal with HEVO 2.0 Technology
The Cosmo C2 transmits video over a robust 5.1 to 5.85 GHz frequency range and automatically detects interference. Thanks to HEVO 2.0 technology, it seamlessly hops to a clean channel, ensuring your video feed is uninterrupted and crystal clear even in busy environments.
Flexible Connectivity and Streaming Options
Equipped with one HDMI and one SDI input plus an SDI loop output on the transmitter, and dual HDMI and SDI outputs plus an RJ45 Ethernet port on the receiver, the Cosmo C2 caters to diverse setups. It also supports UVC streaming and direct RTMP streaming to platforms like YouTube and Twitch. The receiver’s NDI|HX protocol enables transmission over a single network cable, simplifying your production setup.
Smooth Visuals and Custom Features for Professionals
Enjoy smoother frame rates with the FPS Booster, converting lower frame rate inputs to 1080p60 outputs for fluid video playback. The system also supports fractional frame rates and can freeze the last video frame during transmission loss, hiding manufacturer logos. Plus, customize your freeze frame image via USB flash drive for a polished presentation.
Power and Mounting for Every Workflow
Power the units via DC input on set or via battery plates in the field. The transmitter uses an L-series battery plate while the receiver features a V-mount for higher capacity. Multiple mounting options include 1/4″-20 threads and a cold shoe adapter, allowing versatile and secure placement to fit your rig.
Key Features
- Wireless Video Transmitter/Receiver Set
- Transmitter: HDMI/SDI In, SDI Loop Out
- Receiver: 2 HDMI/SDI Outputs
- 3000′ Line-of-Sight 1080p60 Transmission
- 5.1 to 5.85 GHz Frequency Bands
- Supports UVC, RTMP & NDI|HX Streaming
- FPS Booster Converts Frame Rates
- HEVO 2.0 Technology, 33 ms Latency
- DC Input, L-Series Battery Plate

