---
product_id: 530718172
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: "€ 1468.69"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/530718172-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission
store_origin: PT
region: Portugal
---

# 40ms ultra-low latency 1000ft wireless range Seamless 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:** € 1468.69
**Availability:** ✅ In Stock

## Summary

> 🚀 Cut the cords, not the edge—wireless video transmission redefined!

## 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?** € 1468.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/530718172-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

- • **Unmatched Wireless Reach:** Transmit crystal-clear 1080P video up to 1000ft line of sight—cut the cables, not the quality.
- • **Plug & Play UVC Streaming:** One USB-C cable to your computer for effortless 1080P60 live streaming—compatible with all major cameras and switchers.
- • **Seamless Channel Switching:** Adaptive Frequency Hopping switches channels in 0.001s—no flicker, no blackouts, just smooth streaming.
- • **Versatile Power & Mounting:** Power up via DC, USB-C, or L-series batteries and mount horizontally or vertically for ultimate setup flexibility.
- • **Lightning-Fast 40ms Latency:** Experience near-instant video feed with ultra-low delay, perfect for live events and pro monitoring.

## Overview

The Hollyland Cosmo C1 is a professional-grade wireless HDMI/SDI video transmission system delivering ultra-low 40ms latency and a robust 1000ft range using advanced 5GHz HEVO technology. It supports seamless channel switching with adaptive frequency hopping, ensuring stable, flicker-free live video streaming at 1080P60 resolution. Compatible with a wide range of devices via HDMI, SDI, and USB-C UVC output, it offers versatile mounting options and three power supply modes for uninterrupted, on-the-go production.

## 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

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | HollyView |
| Manufacturer | Hollyland, ‎Hollyland, ‎Hollyland, Shenzhen Hollyland Technology Co., Ltd.Headquarter: 8F, 5D Building, Skyworth Innovation Valley, Tangtou Road, Shiyan Street, Baoan District, Shenzhen, 518108, China. |
| Model | COSMO C1 |
| Product Dimensions | 29 x 13.7 x 26.5 cm; 1.93 kg |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | COSMO C1 |
| Flash memory type | SD |
| Resolution | 1080p |
| Compatible Devices | Speaker |
| Special Features | Advanced Wireless Capabilities, Extended Battery Life, Wide Device Compatibility |
| Mounting Hardware | Transmitter x 1, Receiver x 1, Antena x 4, Mushroom Antena x 2, Peasecod Pan-tilt with cold shoe x 1, Type-C Converter x 1, DC Adaptor x 1, User Guide x 1, Warranty Card x 1, Expansion Accessory x 1 |
| Number of items | 1 |
| Display Technology | led |
| Standing screen display size | 2 Inches |
| Image stabilization technology | electronic |
| Audio Output Type | Speakers |
| Video Capture Resolution | 1080p |
| Audio Wattage | 0.5 Watts |
| Batteries Included | No |
| Batteries Required | No |
| Data Transfer Rate | 0.01 Gigabits Per Second, 0.02 Gigabits Per Second |
| Speaker Output Channel Quantity | 8 |
| Total USB ports | 1 |
| Connector Type | USB, HDMI |
| Lens type | Zoom |
| Media type | SDHC |
| Does it contain liquid? | No |
| Includes Rechargeable Battery | No |
| Is there a timer? | No |
| Manufacturer | Hollyland |
| Item Weight | 1 kg 930 g |

## Product Details

- **Brand:** HollyView
- **Connectivity Technology:** USB, HDMI
- **Special Feature:** Advanced Wireless Capabilities, Extended Battery Life, Wide Device Compatibility
- **Compatible Devices:** Speaker
- **Connector Type:** USB, HDMI
- **Colour:** Black
- **Item Weight:** 1.93 Kilograms
- **Number of Channels:** 8
- **Output Wattage:** 0.5 Watts
- **Control Method:** Touch

## 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 (live streaming)?**
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.

## Frequently Bought Together

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-16*