Hollyland Cosmo C2 – Wireless Video Transmitter (Single-Unit)

Stream high-quality 1080p60 video wirelessly with ease. The Cosmo C2 Transmitter delivers ultra-low latency and exceptional range, perfect for minimalistic setups or adding to existing Cosmo C2 systems.

Key Features

• Compact broadcast-grade TX unit: Accepts HDMI and 3G-SDI inputs with SDI loop-out—a perfect companion for cameras.
• Ultra-low latency & long range: Transmits clean video up to 1 000 m (3 000 ft) with only ~33 ms delay, for live, synchronized feeds.
• Smart HEVO 2.0 frequency hopping: Automatically avoids signal interference, maintaining a clean connection.
• Streaming-friendly: Supports NDI|HX, UVC, and RTMP—ships video directly to networks or live platforms without extra hardware.
• Flexible power options: Runs on DC input or L-series batteries—ideal for studio rigs or mobile setups.

Quick Specs

• Video input: HDMI 1.4b, 3G-SDI
• SDI output: Loop-out for downstream monitoring
• Wireless band: 5.1–5.85 GHz with HEVO 2.0
• Range: Up to 1 000 m line-of-sight
• Latency: ~33 ms
• Weight: Approx. 210 g
• Power: DC or L-series battery mount

What’s in the Box

• 1 × Cosmo C2 Transmitter
• 2 × Blade Antennas
• USB-C OTG Adapter
• Cold-shoe Mount
• DC Power Adapter
• Hard Carrying Case
• User Manual & Warranty Documentation

Use Cases / Ideal For

Ideal for solo camera setups, multi-camera shoots, live streaming, and adding to existing Cosmo systems. Perfect for professionals traveling light who need low-latency, cable-free video capture.

Compatibility

Designed to integrate seamlessly with the Cosmo C2 system. Transmits to any Cosmo C2 receiver and supports wired setups via HDMI or SDI, including NDI or live-stream over UVC or RTMP.

Pros & Cons

✅ Pros:

• Low-latency, long-range wireless video
• Flexible I/O and power solutions
• Supports streaming protocols for versatile workflows

⚠️ Cons:

• Single-unit TX—only practical within a Cosmo C2 setup
• 5 GHz band may face regulatory restrictions in some countries

The Hollyland Cosmo C2 Transmitter delivers professional, flexible wireless video performance—compact, powerful, and built for modern content creators.