---
product_id: 380171853
title: "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"
price: "147282 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission
store_origin: IS
region: Iceland
---

# 40ms latency 1080P HD 1000ft range 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
**Price:** 147282 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Broadcast Game!

## Quick Answers

- **What is this?** 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 by hollyview
- **How much does it cost?** 147282 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission)

## Best For

- hollyview enthusiasts

## Why This Product

- Trusted hollyview brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Portable:** Easily transport your setup with a convenient carrying case.
- • **Seamless Streaming:** Experience uninterrupted video with advanced HEVO technology.
- • **Versatile Connectivity:** Supports HDMI, SDI, and UVC outputs for all your devices.
- • **Non-stop Power Solutions:** Stay powered with DC, NP-F battery, or USB-C options.
- • **Adaptive Frequency Hopping:** Enjoy smooth transmission with auto channel switching.

## Overview

The Hollyland COSMO C1 is a cutting-edge wireless HDMI/SDI video transmission system that delivers 1080P HD video up to 1000ft with only 40ms latency. Featuring HEVO Transmission Technology, it ensures superior signal strength and anti-interference performance. With versatile connectivity options and multiple power solutions, the COSMO C1 is perfect for both indoor and outdoor productions.

## Description

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

## Features

- HEVO Transmission Technology. Hollyland Cosmo C1, as the newest member to the Cosmo series, presents you boosted signal strength, superior anti-interference performance, and industry-first UVC function. Cosmo C1 transmits full HD 1080P image at 5.1GHz-5.8GHz frequency. The video transmission works up to 1,000ft line of sight distance with only 40ms delay.
- UVC+SDI+HDMI Output. HEVO brings UVC (USB Video Capture) with built-in capture card function to Cosmo C1. Now you just need one USB-C cable to send 1080P60 HD video to your computer and share your content to the whole world! Besides, COSMO C1 supports HDMI/SDI input and SDI LOOPOUT on transmitter, and HDMI+SDI+UVC Output on receiver at the same time!
- Fast & Stable Video Transmission. Embedded with Adaptive Frequency Hopping (AFH), Cosmo C1 completes each synchronous frequency hopping in 0.001s and improves coding efficiency by 30%. Auto channel switching and seamless retransmitting technology ensures smooth video signals and HD image quality. No more screen flickering, black screens or screen pause at monitors!
- Non-stop Power Solutions. COSMO C1 supports 3 kinds of power supplies, DC power, NP-F Battery and USB-C. DC power supply is more suitable for indoor production, NP-F battery is perfect for outdoor applications, while USB-C power can keep the device working when changing batteries. Power indicator on screen and LED light above turns to red 20 minutes in advance to remind you to change batteries.
- Packing List. COSMO C1 system comes with 1 transmitter and 1 receiver. Compatible with any camera, monitor, and switcher. Cold shoe and accessories allow you to mount the device freely. Mushroom Antennas help strengthen signals when install horizontally. Everything can be stored neatly inside the plastic case for convenient carrying. If you need technical support, please feel free to email us.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of Channels | 8 |
| Output Wattage | 0.5 Watts |
| Video Encoding | H.265 |
| Audio Output Type | Speakers |
| Wireless Technology | 5G |
| Internet Applications | Skype |
| Control Method | App |
| Total Number of HDMI Ports | 2 |
| Connector Type | SDI |
| Audio Output Mode | Stereo |
| Number of Audio Channels | 8 |
| Connectivity Technology | USB, HDMI |
| Controller Type | Button |
| Additional Features | Cooling Fan |
| Compatible Devices | Monitor, Television, Personal Computer, camera |
| Item Weight | 1.93 Kilograms |
| Item Dimensions D x W x H | 73.7D x 33W x 66H centimeters |
| Color | Black |

## Product Details

- **Brand:** HollyView
- **Connectivity technology:** HDMI, USB
- **Controller type:** Button
- **Special features:** Cooling Fan
- **Compatible devices:** Monitor, Personal Computer, Television, camera

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61JAC1WUv4L.jpg)

## Questions & Answers

**Q: What's UVC function?**
A: UVC: USB Video Capture, is a pretty nice technology in live broadcast.

**Q: How to power on the Cosmo C1?**
A: There are 3 ways to power the Cosmo C1:

**Q: What is the AUTO mode?**
A: Please move the thumbwheel button up and down to change the channel number, the AUTO options are between channels 1 and 8.

**Q: Why does the C1 use a USB cable to connect to the PC to pull the streaming screen through the OBS software abnormally?**
A: At present, the UVC function of the C1 don't support the 1080i format. You need to change the output format of the camera to the 1080p format. The SDI and HDMI interface 1080p and 1080i formats of the C1 are supported, but not including UVC output.

## Frequently Bought Together

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-30*