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Hollyland Cosmo C2 HDMI/SDI Wireless Video 2-Transmitter System
The Hollyland Cosmo C2 is a professional wireless video system designed for multi-camera productions, live events, studio monitoring, and field work. It supports two HDMI/SDI transmitters sending Full HD video to one receiver at distances up to 3,000 ft (line of sight).
With 1080p60 transmission and approximately 33 ms latency, the system delivers responsive monitoring over the 5.1–5.85 GHz band. HEVO 2.0 automatically scans for interference and switches to a cleaner channel to help maintain a stable signal.
Each transmitter provides HDMI input, 3G-SDI input, and 3G-SDI loop output. The receiver includes two HDMI outputs, two 3G-SDI outputs, and a 100 Mbps RJ45 Ethernet port. USB-C connectivity supports UVC streaming to a computer using the included OTG adapter.
For live workflows, the Cosmo C2 supports RTMP streaming to compatible platforms and NDI|HX over a network connection. Its FPS Booster can convert compatible lower-frame-rate inputs to 1080p60 output for smoother monitoring. If transmission is interrupted, Frozen Frame preserves the last image instead of displaying a blank screen.
The transmitters can be powered by DC or L-Series batteries, while the receiver supports DC or V-Mount batteries. A carrying case, antennas, mounting accessories, USB-C OTG adapter, and 12V power adapter are included.
The Cosmo C2 HDMI/SDI Wireless Video 2-Transmitter System from Hollyland allows you to wirelessly transmit high-resolution video up to 1080p60 over long distances up to 3000' using two transmitters to a single receiver, allowing flexible video monitoring and distribution for your studio or field production. This kit comprises two transmitters and a receiver that communicate over the 5.1 to 5.85 GHz wireless frequency range. Additional improvements to the series include HEVO 2.0 technology, UVC/RTMP/NDI|HX streaming support, and expanded power options.
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