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Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System

The Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System allows you to wirelessly transmit high-resolution video up to 1080p60 over long distances. This allows flexible video monitoring and distribution for your studio or field production. This video transmission system consists of a transmitter and a receiver.

The Cosmo C1 can transmit video up to 304.8 m line-of-sight with a low 40 ms latency using the HEVC/H.265 codec. The system operates on the 5 GHz frequency band and uses AES-128 encryption to prevent video leakage. It also supports smart channel selection, allowing the system to choose the cleanest channel for transmission, as well as HEVO, an adaptive frequency hopping technology, for seamless retransmission without losing a frame.

  • Wireless Video Transmitter/Receiver Set
  • Transmitter HDMI/SDI Input, SDI Loop Out
  • Receiver HDMI & 2 x SDI Outputs
  • OLED Screen, USB Type-C Power Input
  • 304.8 m Line-of-Sight 1080p60 Transmission
  • 5.1 to 5.9 GHz Frequency Range
  • AES-128 Encryption, 40 ms Latency
  • L-Series Battery Plates on TX/RX
  • DC Adaptor Power or Optional Battery

It's the new go-to choice to step up your content production teams to the next level.

High-Definition Video Transmission

This new member of the Cosmo series offers a new standard for real-time video monitoring up to 304.8 m line-of-sight. Boosted signal strength and superior anti-interference capability in the 5.1GHz-5.8GHz frequency spectrum guarantee buttery-smooth video transmission in complex environments. Industry-first to integrate UVC (USB Video Class) interface, Cosmo C1 offers a whole simplified solution to stream and cloud-share your video works.

Channel Switching, You'll Never Feel it

Hevo, a solution embedded with adaptive frequency hopping (AFH) and seamless retransmitting technology, brings exceptional reliability, boosted signal strength, and superior anti-interference performance. You can now say goodbye to screen flickering, screen pause, and black screens throughout the production. 

Hevo completes each synchronous frequency hopping in 0.001's at both receiving and transmitting ends, ensuring picture integrity at the instant of frequency switching. Whether on manual or auto-switching mode, your live streaming and production monitoring will no longer suffer black screens. 

All You Need Is A USB-C Cable

With HEVO, UVC is embedded in Cosmo C1. It simply takes one USB-C cable to pass 1080P60 HD video to your computer for direct live streaming. No video capture device is needed, and no additional setting. It just works!  

NOTE: Embedded UVC only for "P"/Progressive scan signals mode.

A Silver Bullet For Focus Puller

Hevo is based on Hollyland's self-developed protocol and improves coding efficiency by 30% with H.265 (HEVC). The acceleration module embedded in Cosmo achieves an ultra-low latency as low as 40ms. There is no compromise on image output and transmission latency within the 1,000ft LOS range.

HDMI&SDI In/Out + SDI Loop out

Cosmo C1 allows HDMI & SDI connections on both the TX and RX unit, plus an SDI loop out on the TX. It can work with any mainstream camera, monitor, or switcher you happen to work on. Your deal search ends here, period. 

Locked To The Max

The patented ball catch design on the backplane can hold the NP-F series batteries firmly in place. Be rest assured of a steady power supply.

A Good Routine As "Save Your Work" 

The low battery indicator in red is here to remind you 20 minutes in advance of a dying battery. No more last-minute panic. 

Built To Match, Easy To Mount

More mounting methods are available on both the transmitter and receiver. The cold shoe mounting design at the front allows fixing and laying the unit horizontally, ideal for evening out the weight for balancing setup on camera and stabilisers, while the 1/4"-20 threaded hole erects the unit on any tripods. 

Three Power Supply Options

Three power supply options to escort in different shooting scenes. DC power supply is more suitable for use in an indoor project, while the L-series battery and USB-C port make the unit portable for your run and gun missions. 

Cosmo C1 Applications 

The ideal tool for pro filmmaking, micro-events live streaming, commercial shooting, etc.

Transmitter

Power source
Transmitter/Receiver: 1 x USB Type-C (2 A / 5 VDC) Input
Antenna
Transmitter/Receiver: 2 x RP-SMA Male
Dimensions
115 x 70 x 32 mm, Excluding Battery Plate
Weight
Transmitter: 214 g, Excluding Antenna
Receiver: 210 g, Excluding Antenna
R 25,795 Awaiting Stock
Payment plans available
Delivery Truck Free Standard shipping included. Faster options available

What's in the box

  • Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System
  • Cosmo C1 Transmitter
  • Cosmo C1 Receiver
  • 4 x Antenna
  • 2 x Mushroom Antenna
  • Shoe Mount
  • Pan/Tilt Mount with Shoe Mount
  • USB Type-C Adaptor
  • DC Adaptor
  • Expansion Accessory
  • Limited 1-Year Warranty

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