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  1. Monitoring
  2. Wireless Systems

Hire Hollyland Cosmo C1 Wireless Video Transmission System

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This new member to the COSMO Wireless Video Transmission System series, transformed by Hollyland's revolutionary HEVO wireless transmission chip, offers a new standard for real-time video monitoring up to 1,000ft line-of-sight. Boosted signal strength and superior anti-interference capability in the 5.1 GHz-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. It's the new go-to choice to step up your content production teams to the next level.  
• HEVO Solution  
• Embedded UVC for Direct Livestream  
• Ultra-Low Latency (40ms)  
• Seamless Channel Switch  
• 5.1~5.8GHZ  
• 1,000ft Range  
• Full HD  
• Multiple Power Options 
No flickering, no black screen. HEVO, the game changer
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 flickerings, screen pauses and black screens throughout the production. 

Channel switching, you'll never feel it. HEVO, fast, stable, and smart
HEVO completes each synchronous frequency hopping in 0.001s at both receiving and transmitting ends that ensures 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
USB-C 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. 

A silver bullet for focus pullers. HEVO technology for close to zero latency
HEVO, based on Hollyland's self-developed protocol, improves coding efficiency by 30% with H.265 (HEVC). The acceleration module embedded in COSMO C1 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. 1,0COFT 

HDMI & SDI in/out + SDI loopout. A wide range of device compatibility
COSMO C1 allows HDMI & SDI connections on both the TX (transmitter) and RX (receiver) unit, plus an SDI loopout 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 there 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 stabilizers, 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.



Description Quantity
DC Adapter1
USB A - USB C Adapter1
Shoe Mount with 1/4 Connection, Thumb Screw and Tightening Ring1
Shoe Mount with 2 Tightening Screws and 2 Mounting Screws1
iM2100 Black flight Case with Hollyland Custom Foam1
Foam Insert (accessories underneath)1
NP-F750 / RP-NPF7702
Battery Charger1
3 Pin USB Plug1
USB A - C Cable1
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