Buy

Video Transmission System

Cosmo C1

Stable, You Get It

HEVO Solution

HEVO
Solution

Embedded UVC forDirect Live Streaming

Embedded UVC for
Direct Live Streaming

Ultra-low Latency of 0.04s

Ultra-low
Latency of 0.04s

Seamless Channel Switch

Seamless Channel
Switch

Seamless
Channel Switch

HDMI & SDI Dual Interfaces

HDMI & SDI
Dual Interfaces

1,000ft (300m) Transmission Range

1,000ft (300m)
Transmission Range

Full HD

Full HD

Multiple Power Supply Options

Multiple Power
Supply Options

HEVO, the Game Changer

No Flickering, No Black Screen

AFH

Adaptive Frequency Hopping

HEVO, a seamless transmission technology empowered by adaptive frequency hopping (AFH), brings exceptional reliability, boosted signal strength, and superior anti-interference performance. Say goodbye to flickerings, pauses, and black screens throughout the production.

Adaptive Frequency Hopping
Traditional Wireless Systems
Cosmo C1 with HEVO
Cosmo C1 with
HEVO
HEVO — Fast, Stable, and Smart

Seamless Channel Switch — You'll Never See It

HEVO completes synchronous frequency hopping in 0.001s at both the receiving and transmitting ends, ensuring picture integrity at the very instant of the frequency switch. In either the auto or the manual switch mode, your live streaming and production monitoring will no longer experience black screens.

Seamless Channel Switch — You'll Never See It
HEVO with Embedded UVC

All You Need Is a USB-C Cable

With HEVO, UVC is embedded in the Cosmo C1. It simply uses one USB-C cable to transmit 1080p60 HD videos to your computer for direct live streaming. No need for a video capture device or additional settings. It just works!

Note: The embedded UVC is only for progressive (p) scan signals.

All You Need Is a USB-C Cable All You Need Is a USB-C Cable
Group 5 lightGroup 4
All You Need Is a USB-C Cable
All You Need Is a USB-C Cable
HEVO for Zero-Hit Latency

A Silver Bullet For Focus Puller

HEVO, based on Hollyland's self-developed protocol, improves coding efficiency by 30% with H.265 (HEVC). The acceleration module embedded in the Cosmo C1 achieves an ultra-low 0.04s latency. There is virtually no compromise in image output and transmission latency within the 1,000ft (300m) LOS range.

A Silver Bullet For Focus Puller

1,000ft

Range

HDMI & SDI IN/OUT + SDI LOOPOUT
A Wide Range of Device Compatibility

HDMI & SDI IN/OUT + SDI LOOPOUT

The Cosmo C1 allows HDMI & SDI connections on both the TX and RX, plus an SDI LOOPOUT interface on the TX. Your solution search ends here because it works with any mainstream camera, monitor, or switcher.

port-1

Transmitter
HDMI IN

It supports input of 1080p 60fps videos.

port-TX-HDMI-1

Transmitter
SDI Input Port

Supports input of 1080p/60fps videos.

port-TX-SDI-Input-1

Transmitter
SDI Loop Out Port

Supports output of 1080p/60fps videos.

port-TX-SDI-Loopout-1

Transmitter
DC Power Input Port

6-16V

port-TX-DC-1

Receiver
HDMI Output Port

Supports output of 1080p/60fps videos.

port-RX-HDMI-1

Receiver
SDI Output Port 1

Supports output of 1080p/60fps videos.

port-RX-SDI-OUT1-1

Receiver
SDI Output Port 2

Supports output of 1080p/60fps videos.

port-RX-SDI-OUT2-1

Receiver
DC Power Input Port

6-16V

port-RX-DC-1
port-1

Transmitter
HDMI IN

It supports input of 1080p 60fps videos.

port-TX-HDMI-1

Transmitter
SDI Input Port

Supports input of 1080p/60fps videos.

port-TX-SDI-Input-1

Transmitter
SDI Loop Out Port

Supports output of 1080p/60fps videos.

port-TX-SDI-Loopout-1

Transmitter
DC Power Input Port

6-16V

port-TX-DC-1

Receiver
HDMI Output Port

Supports output of 1080p/60fps videos.

port-RX-HDMI-1

Receiver
SDI Output Port 1

Supports output of 1080p/60fps videos.

port-RX-SDI-OUT1-1

Receiver
SDI Output Port 2

Supports output of 1080p/60fps videos.

port-RX-SDI-OUT2-1

Receiver
DC Power Input Port

6-16V

port-RX-DC-1
Patented Ball Catch Design
Locked to the Max

Patented Ball Catch Design

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

A Good Routine to Save Your Work
Low-Battery Indicator

A Good Routine to “Save Your Work”

The low-battery indicator helps eliminate another last-minute panic, because the red LED will remind you in advance of a dying battery.

Built to Match & Easy to Mount
Vertical & Horizontal Mount Design

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 you to fix and lay the device horizontally, ideal for achieving a balanced setup on cameras and stabilizers. Its 1/4″-20 threaded hole helps mount the device on any tripod.

Three Power Supply Options
Unfailing Power

Three Power Supply Options

Three power supply options are available for different shooting scenarios. DC power supply is ideal for indoor shooting conditions, and the use of NP-F batteries and USB-C chargers facilitates mobility and supports your run-and-gun tasks.

Cosmo C1 Applications

Cosmo C1 Applications

The Cosmo C1 is an ideal tool for professional filmmaking and micro-scale events, such as live streaming and commercial shooting.

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Packing List

COSMO C1 - 1TX to 1RX
COSMO C1 – 1TX to 1RX
Transmitter

Transmitter x1

Receiver

Receiver x1

Soft Antenna

Soft Antenna x4

Mushroom Antenna

Mushroom Antenna x2

Cold Shoe

Cold Shoe x1

Magic Arm

Magic Arm x1

USB-C Converter

USB-C Converter x1

DC Adapter

DC Adapter x1

Expansion Accessory

Expansion Accessory x1

User Manual

User Manual x1

Warranty

Warranty x1

Specifications

Interface

Antenna Interface (RP-SMA Male)
HDMI Input (Type A Female)
SDI Input
SDI Loopout
DC Input
USB-C

Power Supply

DC Power Input: 6–16V
USB-C Power Supply: 5V/2A
Battery Power Supply: 6-16V

Power Consumption

<9W

Weight

214g (7.5oz) (Exterior Antenna Excluded)

Dimensions

(L x W x H) 115mm x 70mm x 32mm (4.5" x 2.7" x 1.3")
(Battery Plate Excluded)

Input/Output Video Format

HDMI:
480p60
576p50
720p50/59.94/60
1080i50/59.94/60
1080p23.98/24/25/29.9/30
1080p50/59.94/60
SDI:
1080p60/59.94/50 (Level A)
1080p60/59.94/50 (Level B)
1080i60/59.94/50
1080p30/29.97/25/24/23.98
1080psf25
720p60/59.94/50
1080psf24/23.98

Frequency

5.1GHz–5.8GHz

TX Power

Maximum 22dBm

RX Sensitivity

/

Transmission Latency

0.04s

Bandwidth

20MHz

Interface

Antenna Interface (RP-SMA Male)
HDMI Output (Type A Female)
SDI Output *2
DC Input
USB-C

Power Supply

DC Power Input: 6–16V
USB-C Power Supply: 5V/2A
Battery Power Supply: 6-16V

Power Consumption

<9W

Weight

210g (7.4oz) (Exterior Antenna Excluded)

Dimensions

(L x W x H) 115mm x 70mm x 32mm (4.5" x 2.7" x 1.3")
(Battery Plate Excluded)

Input/Output Video Format

HDMI:
480p60
576p50
720p50/60
1080i50/60
1080p24/25/30
1080p50/60
SDI:
1080p60/50 (Level A)
1080i60/50
1080p30/25/24
1080psf25/24
720p60/50

Frequency

5.1GHz–5.8GHz

TX Power

/

RX Sensitivity

–80dBm

Transmission Latency

0.04s

Bandwidth

20MHz