Hollyland COSMO C2 Cosmo 1 Transmitters/1 Receiver Kit

Hollyland COSMO C2 – 1 Transmitter / 1 Receiver Kit with 1000m Range and 33ms Ultra-Low Latency

The Hollyland COSMO C2 1TX & 1RX kit delivers compact, broadcast-grade wireless video for single-camera productions. It offers an extended 1,000 m range, ultra-low latency of 33 ms, and HEVO 2.0 frequency detection to reduce interference. Use it for live events, streaming, and professional video production where reliable, real‑time transmission matters.

Professional wireless video, simplified

Designed for filmmakers, content creators, and live event professionals, the Cosmo C2 simplifies wireless video workflows for single-camera setups. It transmits crystal-clear 1080p video over HDMI and SDI connections. Moreover, HEVO 2.0 frequency detection and advanced anti-interference technology work together to maintain a stable, lossless signal in challenging RF environments.

Key features

• Crystal-clear 1080p transmission via HDMI and SDI connections for clean, professional output.
• Ultra-low latency (33 ms) to support real-time monitoring and live production needs.
• 1,000 m range for extended line‑of‑sight operation in larger event and location shoots.
• HEVO 2.0 frequency detection and advanced anti-interference technology to minimise dropouts and maintain stable video links.
• UVC support so you can connect directly to a computer without a separate capture card.
• Seamless RTMP cloud broadcasting for direct streaming to platforms and cloud services.
• Compact and flexible power options suitable for both studio and on-location use.

Versatile power and mounting

The kit provides flexible, production-friendly power options. The TX unit runs on NP-F batteries for lightweight camera‑mounted use. The RX unit accepts V‑Mount batteries or DC input to integrate with studio power systems or larger battery setups. This combination makes the system adaptable for both run‑and‑gun shoots and extended live broadcasts.

Practical use cases

Use the Cosmo C2 kit in a variety of professional scenarios:

• Single-camera live events and concerts where reliable wireless video is essential.
• On-location video production that benefits from compact transmission hardware and flexible power.
• Streaming workflows that require UVC or RTMP support for direct broadcasting.
• Broadcast applications that need low-latency, stable links between camera and production equipment.

What’s in the box?

• 1x Cosmo C2 TX (Transmitter)
• 1x Cosmo C2 RX (Receiver)
• 1x NP-F Battery Plate for TX
• 1x V-Mount Battery Plate for RX
• 2x Antenna Sets
• 1x DC Power Adapter
• 1x USB-C to USB-C Cable
• Mounting Accessories
• Carrying Case

Specifications

FAQ

Question: Can I use the Cosmo C2 for live streaming directly from the receiver?
Answer: Yes. The Cosmo C2 supports UVC for direct computer connection and RTMP for cloud broadcasting, enabling direct streaming without additional converters.

Question: How reliable is the signal at longer distances?
Answer: The system is designed for a 1,000 m range and includes HEVO 2.0 frequency detection plus advanced anti-interference technology to keep the link stable in varied environments.

Question: Which connections does the kit support for cameras and monitors?
Answer: The kit supports both HDMI and SDI connections, allowing integration with a wide range of cameras and professional monitors.

Question: What power options are available for field and studio use?
Answer: The transmitter runs on NP-F batteries for camera-mounted flexibility, while the receiver accepts V-Mount batteries or DC input to suit studio racks or longer location shoots.

Question: Is the latency low enough for real-time monitoring during production?
Answer: Yes. The Cosmo C2 offers ultra-low latency of 33 ms, which is suitable for real-time monitoring and live production workflows.

If you have more questions about compatibility or workflow integration for your specific setup, contact us and we will help you source any additional accessories you may need.