Hollyland COSMO C1 1000ft Wireless HDMI/SDI Video Transmission System – 40ms Latency, 1080p60, HEVO Technology, UVC Live Streaming, SDI Loopout

The Hollyland COSMO C1 is engineered to deliver reliable and high-quality wireless video transmission for professional video production. With a transmission range of up to 1000 feet (300 meters) line-of-sight and an ultra-low latency of 40ms, it ensures real-time video monitoring without delays.

Equipped with both HDMI and SDI inputs on the transmitter, the COSMO C1 offers versatility to accommodate various camera systems. The receiver provides HDMI and dual SDI outputs, along with embedded UVC technology, enabling direct USB-C live streaming to computers without the need for additional capture devices.

The transmitter's SDI loop-through output allows for simultaneous monitoring and recording, enhancing workflow efficiency. With HEVO technology, the system employs adaptive frequency hopping to maintain a stable connection, preventing interference and ensuring seamless channel switching without screen flickering.

Designed with portability in mind, both the transmitter and receiver are compact and lightweight, featuring 1/4"-20 threads and cold shoe mounts for easy attachment to cameras, rigs, or tripods. Power options include compatibility with L-series batteries, DC power input (6–16V), and USB-C power supply, providing flexibility for various shooting scenarios.

Whether you're working on a film set, live broadcast, or remote production, the Hollyland COSMO C1 offers a dependable solution for wireless video transmission, ensuring high-quality, real-time video delivery in demanding environments.