Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout
  • Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout
  • Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout
Brand HollyView
Connectivity Technology USB, HDMI
Controller Type Button
Special Feature Cooling Fan
Compatible Devices Monitor, Television, Personal Computer, camera
Total HDMI Ports 2
Connector Type SDI
Audio Output Mode Stereo
Surround Sound Channel Configuration 8
Video encoding H.265
  • [Wireless Video Transmission Revolution] - COSMO C1 is equipped with Hollyland’s HEVO technology with Adaptive Frequency Hopping (AFH), Seamless Retransmitting and Simplified UVC Streaming, bringing you boosted signal strength and superior Anti-Interference performance. Fast, stable and smart video transmission in 5GHz frequency.
  • [Unnoticeable Channel Switching] - HEVO completes each synchronous frequency hopping in 0.001s with only 40ms ultra-low latency and up to 1,000ft line of sight (LOS) range. Whether in manual or auto-switching mode, your Electronic Field Production monitoring will no longer suffer from screen flickering or black screens in complex wireless environments.
  • [Wide Range Device Compatibility] - Embedded with HEVO’s USB Video Capture (UVC) technology, it takes just one USB-C cable to push 1080P60 HD video to your computer for direct live streaming. COSMO C1 supports HDMI/SDI input, HDMI+SDI+UVC Output on RX, and SDI LOOPOUT on TX. It can work with any mainstream camera, monitor, and switcher.
  • [Vertical & Horizontal Mounting] - COSMO C1 comes with 1 Peasecod Pan-tilt with Cold Shoe and 1 extra Cold Shoe for you to mount freely. 2 mounting holes at the front panel allows installing the unit horizontally, ideal for evening out the weight to balance the setup on camera and stabilizer, while the 1/4"-20 threaded hole can mount the unit on any tripods.
  • [3 Power Supply Options] - As usual, COSMO C1 guarantees that you have nonstop power supply for different shooting scenarios. DC power supply is more suitable for indoor project, while L-series battery [NPF970/NPF750/NPF550] and USB-C port are perfect for your run and gun missions. Power indicator on screen and LED light in red reminds you 20 minutes in advance of a dying battery.
  • [Warm Notice] - COSMO C1 supports 1 TX to 1 RX. TX supports HDMI or SDI video input from 1 camera. C1 has 8 frequency channels and supports up to 4 sets working at the same place. Under AUTO channel scan mode, it will switch channels automatically when there is interference. TX’s loopout function only works when input is from SDI port, not HDMI.

Product information


From the brand


Product Description

Hollyland Cosmo C1 Wireless HDMI & SDI Transmitter Receiver Set

Cosmo C1

The Cosmo C1 is transformed by Hollyland's HEVO wireless transmission technology, offers a new standard for real-time video monitoring up to 1,000ft line-of-sight. Industry-first to integrate UVC (USB Video Class) interface COSMO C1 offers a whole simplified solution.

Packing List

  • Transmitter *1+ Receiver *1
  • Hard Plastic Case *1
  • Radio antenna *4 + Mushroom shape antenna *2
  • Hot shoe *1 + Cold Shoe *1 + Type-C OTG Converter *1
  • DC Power adapter *1 + Extension accessories *1
Hollyland Cosmo C1
Hollyland Cosmo C1

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See Details
Customer Reviews
4.5 out of 5 stars
116
4.5 out of 5 stars
23
4.4 out of 5 stars
330
4.5 out of 5 stars
110
4.6 out of 5 stars
196
Price
$899.00 $499.00 $429.00 $699.00
Transmission Distance
1000ft 450ft 300ft 450ft 400ft
Minimum Latency (1080P60)
0.04S 0.08S 0.1S 0.06S 0.08S
Maximum Resolution
Full HD 4K(3840*2160)(TX HDMI Loopout) Full HD 4K(3840*2160) Full HD
SDI Interface
Support APP Monitoring
1 RX - 2 Apps, 0 RX - 4 Apps 1RX - 2 Apps, 0 RX - 3 Apps 1 RX - 2 Apps, 0 RX - 4 Apps 1 RX - 2 Apps, 0 RX - 4 Apps
Decimal Point Frame Rate
Channel Scan
Yes (On RX) Yes (App+RX) Yes (App+RX) Yes (App+RX) Yes (App+RX)
Transmitter Interface
HDMI In & SDI In & SDI Loopout HDMI In & Loopout & SDI In HDMI In & Loopout HDMI In & SDI In HDMI In & SDI In
Receiver Interface
HDMI Out*1 & SDI Out *2 HDMI Out *2 & SDI Out HDMI Out *2 HDMI Out & SDI Out HDMI Out & SDI Out
DC/USB Power Option
6~16V DC; 5V 2A Type-C USB 7-16V DC; NP-F Batteries 5-12V Type-C USB ; NPF Battery 6~16V DC; 5V 2.5A Type-C USB 6~16V DC ; NP-F Batteries
Transmission Support
Video & Audio Transmission Video & Audio Transmission Video & Audio Transmission Video & Audio Transmission Video & Audio Transmission

What's UVC function (live streaming)?

UVC: USB Video Capture, is a pretty nice technology in live broadcast.

Note:

1. UVC only support 1080P video output now

2. Please set the video format to 1080P on OBS when you add the video capture device.

How to power on the Cosmo C1?

There are 3 ways to power the Cosmo C1:

1. DC adapter (6~16V)

2. NPF batteries -[NPF970/NPF750/NPF550]

3. Type-C (5V/2A) (But please don't use it in the working time)

What is the AUTO mode?

Please move the thumbwheel button up and down to change the channel number, the AUTO options are between channels 1 and 8.

In the AUTO mode, our device will change the channel to a clean one automatically when there exists interference.








Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout

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