Hollyland Cosmo C2 SDI/HDMI Wireless Video Transmitter

SKU: HLCOSMOC2TX MFR: HL-COSMO C2 TX
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Key Features

  • Experience reliable wireless video transmission with a robust 3,000ft range.
  • Enjoy low latency (33ms) streaming for real-time monitoring and seamless production.
  • Stream directly with embedded UVC & RTMP, perfect for live broadcasts and content creation.
  • The Cosmo C2 offers high resolution video via HDMI/SDI inputs for professional quality.
  • Benefit from auto frequency hopping, ensuring a stable and clear wireless connection.
  • Easy setup with DC or NP-F battery power, making wireless video accessible anywhere.
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Special Order?Estimated to Ship: 12/17/2025
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Questions & Answers

FAQ

What is the maximum transmission range of the Hollyland Cosmo C2?

The Hollyland Cosmo C2 offers an ultra-long line-of-sight transmission range of up to 3,000 feet (1,000 meters).

How does the Cosmo C2 handle frequency interference?

The Cosmo C2 uses HEVO 2.0 technology to automatically detect surrounding frequency interference and seamlessly switch to a clean channel, ensuring uninterrupted transmission.

What streaming methods are supported by the Cosmo C2?

The Cosmo C2 supports NDI, UVC, and RTMP streaming, making it compatible with a wide range of live streaming platforms such as YouTube and Twitch.

What power sources are compatible with the Cosmo C2 transmitter?

The Cosmo C2 transmitter supports both DC (locking) power sources and NP-F batteries, providing flexible power options for continuous operation.

Can I customize the frozen frame feature on the Cosmo C2?

Yes, the Cosmo C2 allows you to customize the frozen frame feature by uploading a custom logo image via a USB flash drive.

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Hollyland Cosmo C2 Specifications

  • Range

    3,000' (1,000m)

  • Latency

    33ms

  • Frequency

    5GHz Frequency

  • Bit Rate

    Up to 12Mbps

  • Streaming

    Embedded UVC & RTMP Streaming & NDI Streaming

  • Frequency Hopping

    Auto Frequency Hopping

  • Channel Scan

    Receiver Channel Scan

  • Power Source

    DC Power Source (6V-16V)
    NP-F Battery

  • Input/Output Video Format On Transmitter

    HDMI Input:
    720p50/59.94/60
    1080i50/59.94/60
    1080p23.98/24/25/29.97/30
    1080p50/59.94/60

    SDI Input:
    720p50/59.94/60
    1080i50/59.94/60
    1080p23.98/24/25/29.97/30
    1080p50/59.94/60

  • Battery Info

    Required, not included

  • Battery Material

    Lithium ion

  • Battery Type

    NP-F

  • Battery Quantity

    1

  • UPC Code

    191460007439

About Hollyland Cosmo C2

With the Hollyland Cosmo C2 SDI/HDMI Wireless Video Transmitter, redefine reliability in your professional video production setup. Expertly designed with deep market insight, the Cosmo C2 features a robust transmitter design that enhances wireless capabilities, offering an impressive line-of-sight (LOS) range of up to 3,000 feet (1,000 meters) and maintaining a super-low latency of just 33 milliseconds. This ensures smooth, real-time video transmission, crucial for high-stakes environments.

Leveraging the newly developed HEVO 2.0 technology, the Cosmo C2 excels in seamless frequency hopping. It automatically detects and switches to clean channels, minimizing interference and ensuring uninterrupted, immersive video experiences. This makes it an ideal choice for multi-camera live streaming, broadcasting, and other professional applications.

The Cosmo C2 supports NDI, UVC, and RTMP streaming, providing versatile options for live streaming on popular platforms like YouTube and Twitch. Its comprehensive port selection includes HDMI Input, SDI Input, and SDI Loopout, accommodating a wide range of professional equipment. Additionally, the transmitter supports HDMI/SDI fractional frame rate input and output, offering flexibility to meet diverse shooting requirements.

Powering the Cosmo C2 is convenient and adaptable, with support for DC (locking) and NP-F batteries, ensuring continuous operation during extended shoots. In the event of transmission interruptions, the Cosmo C2 features a frozen frame function, which holds the last frame of the video feed, preventing the display of default logos. Users can personalize this feature by uploading custom logo images via a USB flash drive.

Ideal for large venues, open areas, and complex building layouts, the Hollyland Cosmo C2 SDI/HDMI Wireless Video Transmitter is a powerful tool for professionals seeking reliable, high-quality video transmission solutions.

Hollyland Cosmo C2 Features

  • 3,000ft (1,000m) LOS Range
  • 33ms Low Latency
  • Seamless Frequency Hopping
  • NDI Support
  • UVC & RTMP
  • HDMI & SDI Ports
  • Fractional Frame Rate

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience reliable wireless video transmission with a robust 3,000ft range.
  • Enjoy low latency (33ms) streaming for real-time monitoring and seamless production.
  • Stream directly with embedded UVC & RTMP, perfect for live broadcasts and content creation.
  • The Cosmo C2 offers high resolution video via HDMI/SDI inputs for professional quality.
  • Benefit from auto frequency hopping, ensuring a stable and clear wireless connection.
  • Easy setup with DC or NP-F battery power, making wireless video accessible anywhere.

What's in the box:

  • Hollyland Cosmo C2 SDI/HDMI Wireless Video Transmitter
  • 2x Blade Antenna
  • USB-C OTG Adapter
  • User Manual
  • (Battery Not Included)
  • Hollyland 1 Year Limited Warranty