---
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: "$1656"
currency: NZD
in_stock: false
reviews_count: 5
category: "Holly View"
url: https://www.desertcart.nz/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission
store_origin: NZ
region: New Zealand
---

# 40ms ultra-low latency 1000ft wireless range Seamless auto channel switching 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:** $1656
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your live production game with Hollyland COSMO C1 — wireless freedom, flawless streaming.

## 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?** $1656 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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

- • **Triple Power Flexibility:** Power your shoot your way with DC, NP-F battery, or USB-C—plus smart battery alerts to keep you rolling.
- • **UVC-Enabled USB-C Output:** One cable to rule them all—plug directly into your PC for effortless live streaming and content sharing.
- • **Adaptive Frequency Hopping:** Auto channel switching and 0.001s frequency hops keep your feed smooth and interference-free.
- • **Lightning-Fast 40ms Latency:** Experience near real-time video transmission with industry-leading 40ms delay—never miss a moment.
- • **Broadcast-Grade 1000ft Range:** Stream crystal-clear 1080P video up to 1000ft line-of-sight—cut the cables, not the quality.

## Overview

The Hollyland COSMO C1 is a professional wireless HDMI/SDI video transmission system delivering full HD 1080P video up to 1000ft with ultra-low 40ms latency. Featuring HEVO transmission technology, adaptive frequency hopping, and embedded UVC USB-C output, it supports seamless channel switching and multi-power options for versatile indoor and outdoor use. Compatible with cameras, monitors, and PCs, COSMO C1 is designed for flawless live streaming and broadcast-grade video delivery.

## Description

Buy 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 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Very happy - Really good quality very happy
Review: Cosmo c1 - Lavoro nel broadcast dal 1988 e non ho trovato un prodotto pro consumer come il cosmo C1.... Versatile, ottima la resa, minima latenza di trasmissione, insomma sono sbalordito dal suo funzionamento

## 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 |
|---------------|-------|
| ASIN | B09K75Q533 |
| Audio Output Mode | Multiple |
| Audio Output Type | Internal or HDMI |
| Brand | HollyView |
| Built-In Media | FULL UNIT |
| Color | Black |
| Compatible Devices | Monitor, Personal Computer, Television, camera |
| Compatible devices | Monitor, Personal Computer, Television, camera |
| Connectivity Technology | HDMI, SDI, USB-C |
| Connectivity technology | HDMI , SDI, USB-C |
| Connector Type | SDI |
| Control Method | Touch |
| Controller Type | Button |
| Controller type | Button |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 162 Reviews |
| Format | 4K |
| Item Dimensions D x W x H | 73.7D x 33W x 66H centimeters |
| Item Weight | 1.94 Kilograms |
| Manufacturer | Hollyland |
| Model Number | COSMO C1 |
| Number of Channels | 8 |
| Other Special Features of the Product | Cooling Fan |
| Output Power | 0.5 Watts |
| Output Wattage | 0.5 Watts |
| Special features | Cooling Fan |
| Supported Internet Services | Skype |
| Surround Sound Channel Configuration | 8 |
| Total HDMI ports | 1 |
| Total Number of HDMI Ports | 1 |
| Unit Count | 1 Count |
| Video Encoding | H.265 |
| Warranty Description | 1 |
| Wireless Technology | 5G |

## 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)
![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 2](https://m.media-amazon.com/images/I/61PEnuthykL.jpg)
![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 3](https://m.media-amazon.com/images/I/61WZbNVhp8L.jpg)
![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 4](https://m.media-amazon.com/images/I/713TEuo8C6L.jpg)
![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 5](https://m.media-amazon.com/images/I/717b5cOYdfL.jpg)

## Questions & Answers

**Q: What's UVC function?**
A: 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.

**Q: How to power on the Cosmo C1?**
A: 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)

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

**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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very happy
*by C***N on 5 January 2025*

Really good quality very happy

### ⭐⭐⭐⭐⭐ Cosmo c1
*by C***N on 23 March 2025*

Lavoro nel broadcast dal 1988 e non ho trovato un prodotto pro consumer come il cosmo C1.... Versatile, ottima la resa, minima latenza di trasmissione, insomma sono sbalordito dal suo funzionamento

### ⭐⭐⭐⭐⭐ La funcinalidad del tx
*by J***O on 13 August 2023*

La facil conectividad

## Frequently Bought Together

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-15*