Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System

The Hollyland Cosmo C1 is a professional wireless video transmission system designed to eliminate the need for long video cables while maintaining exceptional image quality and ultra-low latency. Built for demanding production environments, it allows camera operators, directors and production crews to monitor live video from virtually anywhere on set.

Supporting both HDMI and SDI connectivity, the Cosmo C1 integrates easily into a wide range of production workflows, from DSLR and mirrorless cameras through to professional broadcast cameras. Hollyland’s HEVO wireless transmission technology automatically selects the strongest available signal, providing a stable and reliable video feed even in busy RF environments.

Whether you’re producing a live event, filming a commercial, streaming a conference or operating a multi-camera broadcast, the Cosmo C1 allows directors and crew members to view live footage without being physically connected to the camera. This improves mobility, speeds up production and creates a cleaner, safer working environment by reducing cable runs.

With support for Full HD video, long wireless range and extremely low transmission latency, the Cosmo C1 delivers dependable wireless monitoring for professional production teams that demand both performance and reliability.