Features & Benefits
- Wireless Video Transmission Revolution
- Unnoticeable Channel Switching
- Wide Range Device Compatibility
- Vertical & Horizontal Mounting
- 3 Power Supply Options
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![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](https://m.media-amazon.com/images/I/411pLWboVzL._AC_US218_.jpg)
Item #:
43217837
Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded
Item #:
43217837
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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, bringing boosted signal strength and superior Anti-Interference performance.
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What Stands Out
Long-Range Transmission
Achieve 1000ft wireless video transmission, allowing for flexibility in setups while ensuring high-quality signals with minimal interference, making it ideal for large venues and outdoor events.
Low Latency
Experience a fast 40ms delay for seamless video streaming, perfect for live broadcasts and professional shoots, offering a slight edge over competitors for real-time content delivery.
Versatile Connectivity
Featuring HDMI and SDI inputs, along with embedded UVC live streaming, this system supports a variety of devices seamlessly, enhancing usability for diverse video production needs.
Product Details
- Hollyland Cosmo C1 offers real-time video monitoring up to 1,000ft line-of-sight with its HEVO wireless transmission technology
- Industry-first integration of UVC interface provides a simplified solution with features like USB video capture and seamless channel switching
- Equipped with 1 HDMI and 2 SDI Ports on both TX & RX, with SDI Loopout in Transmitter for monitoring, and UVC direct live stream in Receiver
- HEVO technology ensures automatic frequency hopping in 0.001s for picture integrity during frequency switching, eliminating black screens
- Features a battery low indicator, patented ball catch design for steady power supply, quiet auto fan mode, and various mounting methods
- Packing List: Transmitter, Receiver, Hard Plastic Case, Antennas, Hot and Cold Shoe, Type-C OTG Converter, DC Power adapter, and accessories
| Connectivity Technology | HDMI, USB |
| Controller Type | Button |
| Other Special Features of the Product | Adaptive Frequency Hopping (AFH), Cooling Fan, Embedded UVC Live Stream, Wide Range Device Compatibility |
| Compatible Devices | Monitor, Personal Computer, Television, camera |
| Total Number of HDMI Ports | 2 |
| Connector Type | HDMI, SDI |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 8 |
| Video Encoding | H.265 |
| Number of Channels | 8 |
| Output Wattage | 0.5 Watts |
| Control Method | Touch |
| Audio Output Type | Internal or HDMI |
| Smart Home Compatibility | Not Smart Home Compatible |
| Wireless Technology | 5G |
| Brand | HollyView |
| Model Number | COSMO C1 |
| Manufacturer | Hollyland |
| Mfr Part Number | COSMO C1 |
| Built-In Media | Cold Shoe*1uff1bExpansion Accessory*1uff1bUser Guide*1, Hard Plastic Case*1, Hollyland Cosmo C1 Wireless Video Transmitter and Receiver *1, Magic Arm*1uff1bType-C Converter*1, Mushroom Antenna*2uff1bAntenna*4uff1bDC Adapter*1 |
| Unit Count | 1 Count |
| Item Dimensions D x W x H | 11.42"D x 5.12"W x 10.24"H (29 x 13 x 26 cm) |
| Item Weight | 1.94 Kilograms |
| Color | Black |
| Special Feature | Adaptive Frequency Hopping (AFH), Cooling Fan, Embedded UVC Live Stream, Wide Range Device Compatibility See more |
| Total HDMI Ports | 2 |
| Video encoding | H.265 |
Who Should Buy?
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Professional Videographers
Ideal for videographers needing high-quality wireless video transmission for events, ensuring seamless recording and real-time monitoring.
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Live Streamers
Perfect for content creators seeking reliable, low-latency streaming solutions for online broadcasts across various platforms.
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Event Production Teams
Benefits teams managing live events, providing flexibility to position cameras freely without worrying about cable restrictions.
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Casual Users
Not suitable for casual users who do not require professional-grade video transmission capabilities and prefer simpler setups.
Product 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
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the range of the Hollyland Cosmo C1 Wireless Video Transmission System?
Answer: The Hollyland Cosmo C1 boasts an impressive transmission range of 1000 feet under ideal conditions. This long-range capability allows for flexibility in various filming environments, making it ideal for outdoor shoots, large venues, or settings where the camera operator needs to maintain a safe distance from the subject. Whether you're capturing live events or filming a documentary, this range provides the freedom to move around without losing video and audio integrity. -
Question:
What resolution does the Hollyland Cosmo C1 support?
Answer: The Hollyland Cosmo C1 supports a stunning 1080P resolution for both video and audio transmission. This high-definition output is crucial for professionals who demand crystal-clear images and sound quality in their productions. Whether you are shooting a feature film or a corporate video, the high resolution ensures that your content remains visually engaging and detailed, making it suitable for any professional project. -
Question:
How does the Hollyland Cosmo C1 handle latency?
Answer: The Hollyland Cosmo C1 features a low latency of just 40ms. This minimal delay is essential for live production scenarios, such as live streaming, where synchronization of audio and video is paramount. The low-latency performance helps videographers ensure that the content delivered to the audience is seamless and professional, making it an ideal choice for live events, broadcast, and critical filming applications. -
Question:
What is the bitrate range for video transmission?
Answer: The Hollyland Cosmo C1 transmits video within a bitrate range of 12-20Mbps. This dynamic range allows users to balance video quality and bandwidth, ensuring a stable connection while adapting to environmental conditions. This flexibility is particularly useful in varying operational environments, allowing videographers to maintain high-quality visuals regardless of the situation. -
Question:
Can the Hollyland Cosmo C1 transmit both video and audio?
Answer: Yes, the Hollyland Cosmo C1 can transmit both audio and video, ensuring that you get a complete signal without extra setup. This feature is especially beneficial for filmmakers and content creators who require synchronized audio and video for interviews or performances, eliminating the need for separate audio recording equipment. The integrated solution simplifies the workflow and enhances the overall production experience. -
Question:
Is the Hollyland Cosmo C1 suitable for outdoor use?
Answer: Yes, the Hollyland Cosmo C1 is suitable for outdoor use, thanks to its robust transmission capabilities and extended range. Its reliable performance in various environments makes it an ideal choice for outdoor events such as concerts, weddings, and sports. Users can capture high-quality footage while moving freely in expansive areas without worrying about losing the signal. -
Question:
What type of connectivity options does the Hollyland Cosmo C1 offer?
Answer: The Hollyland Cosmo C1 offers HDMI and SDI connectivity options, making it versatile for different equipment setups. These connection types cater to various video cameras, production equipment, and broadcasting needs. Whether you're using professional cameras or consumer-grade devices, the dual connectivity options ensure compatibility and ease of integration with existing setups. -
Question:
What is the power source for the Hollyland Cosmo C1?
Answer: The Hollyland Cosmo C1 operates on a rechargeable battery system, allowing for portability and convenience. This feature is critical for videographers who work in remote locations or do not have immediate access to power outlets. The battery system ensures that the device can function efficiently during long shoots, regardless of location. -
Question:
How is the setup process for the Hollyland Cosmo C1?
Answer: Setting up the Hollyland Cosmo C1 is straightforward, requiring minimal technical expertise. Users need to connect the transmitter to the camera and the receiver to the monitor or switcher, and the system is ready to use. This ease of setup makes it particularly advantageous for live productions and quick turnarounds, where time is of the essence. -
Question:
Where can I buy the Hollyland Cosmo C1 [Official] in Saint Lucia?
Answer: You can purchase the Hollyland Cosmo C1 [Official] Wireless Video Transmission System from Ubuy, a trusted online platform that offers a wide selection of electronic products. Ubuy is known for reliable customer service and comprehensive product information, making it a great choice for acquiring this professional video transmission system and ensuring you get the original product.
HollyView Video Transmission Systems COSMO C1 Editorial Review
The Hollyland Cosmo C1 is highly recommended for its easy setup and use, as well as its ability to transmit clear live stream video and audio up to 1000ft. The product features automatic frequency hopping to minimize interference and supports up to 4 sets simultaneously. It is compatible with most cameras/camcorders as long as they have HDMI/SDI interfaces and supports 1080P live stream video output on OBS, Skype, and Zoom, among others. Additionally, the mushroom antennas are suitable for shooting sites with height differences.
Customer Reviews & Ratings
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Pros
- Easy setup and use
- Clear live stream video and audio transmission
- Automatic frequency hopping to minimize interference
- Compatible with most cameras/camcorders
- Supports multiple sets simultaneously
- Mushroom antennas are suitable for shooting sites with height differences
Cons
- The device is picky about what cables it will let power it and provide video
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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