Hollyland Cosmo C1 Wireless SDI/HDMI Transmission System with Weatherproof Hard Case
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Hollyland Cosmo C1 Wireless SDI/HDMI Transmission System
This new member of the Cosmo series, the Hollyland Cosmo C1 Wireless SDI/HDMI Transmission System has been transformed by Hollyland's HEVO wireless transmission technology. It offers a new standard for real-time video monitoring up to 1,000 feet of line-of-sight. Boosted signal strength and superior anti-interference capability in the 5.1GHz to 5.8GHz frequency spectrum guarantee buttery smooth video transmission in complex environments. Industry-first to integrate UVC (USB Video Capture) interface, Cosmo C1 offers a whole simplified solution to stream and cloud-share your video works. It's the new go-to choice to step up your content production teams.
No Flickering, No Black Screen
HEVO, a solution embedded with adaptive frequency hopping (AFH) and seamless retransmitting technology, brings exceptional reliability, boosted signal strength, and superior anti-interference performance. You can now say goodbye to screen flickerings, screen pauses, and black screens throughout the production. With this level of anti-interference performance, it still allows 4 sets of video transmission systems to work at one location without compromising their smooth video delivery.
Channel Switching, You'll Never Feel It
EVO completes each synchronous frequency hopping in 0.001s at both receiving and transmitting ends that ensures picture integrity at the instant of frequency switching. Whether in manual or auto-switching mode, your live streaming and production monitoring will no longer suffer black screens. Cosmo C1 has already completed thousands of channel switching when on-location directors or remote clients are monitoring the production in environments with complex wireless signals.
HEVO for Ultra-Low Latency
HEVO, based on Hollyland's self-developed protocol, improves coding efficiency by 30 percent. The acceleration module embedded in Cosmo C1 achieves an ultra-low latency of as low as 40ms. There is no compromise on image output and transmission latency within the 1,000-feet LOS range. Designed for precise follow focus and high image clarity, Cosmo C1 is a silver bullet for videographers and focus pullers. Say Hi to a whole new level of the smooth viewing experience.
HDMI and SDI In/Out + SDI Loopout
Cosmo C1 allows HDMI and SDI connections on both the TX and RX unit, plus an SDI loop-out on the TX. It can work with any mainstream camera, monitor, or switcher you happen.
Koah Weatherproof Hard Case with Customizable Foam (10 x 9 x 7 Inch)
The Weatherproof Hard Case with Customizable Foam by Koah is perfect for storing and transporting action cameras, camera bodies, lenses, or ammunition.
Constructed with impact and ultraviolet-resistant polypropylene, this hard-shelled case complies with the highest protection standards. In addition, its fully customizable foam interior adds an extra level of shock resistance, ensuring added safety of your valuable optics and electronics.
Weatherproof Construction Rated IP67, the Koah Weatherproof Hard Case delivers complete protection against dust and debris. Additionally, it withstands submersion in up to 1 meter of water for up to 30 minutes without harming or damaging the items stored inside.
The incorporated pressure relief valve allows for gradual pressure equalization, while its ergonomic, rubber-covered handle provides a reliable grip in any weather condition.
Koah is a leader in high-performance protective cases. These cases are used daily in demanding industries like safety, fire, law enforcement, entertainment, defense, and military. These cases are designed to have impressive longevity.
Hardware
| Video Input | SDI |
| HDMI Inputs | 1 |
General
| Pack Size | Single Bundle |
| Configuration | Bundle 1 |
| Weight | 210 g (excluding Antenna) |
| Color | Black |
| Mount Type | Cold Shoe |
Wireless
| Frequency Band | Dual-Band |
| Frequency Range | 5.1 - 5.8 GHz |
| Wireless Range | 1,000 feet |
| Bandwidth | 20 MHz |
- Antenna interface (RP-SMA Male)
- HDMI Input (Type A Female)
- SDI Input
- SDI Loop out
- DC Input
- USB-C
- DC Power input: 6 to 16V
- USB-C power supply: 5V/2A
- Battery power supply:6 to 16V
- HDMI:
- 480p60576P50720p50/59.94/60
- 1080i50/59.94/60
- 1080p23.98/24/25/29.9/301080p50/59.94/60
- SDI:
- 1080p60/59.94/50 (Level A)
- 1080p60/59.94/50 (Level B)
- 1080i60/59.94/50
- 1080p30/29.97/25/24
- 23.981080psf25
- 720p60/59.94/50
- 1080psf24/23.98
- Antenna interface (RP-SMA Male)
- HDMI Input (Type A Female)
- SDI Input x 2
- DC Input
- USB-C
- DC Power input: 6 to 16V
- USB-C power supply: 5V/2A
- Battery power supply: 6 to 16V
- 480p60
- 576p50
- 720p50/60
- 1080i50/60
- 1080p23.98/24/25/29.9/301080p50/59.94/60
- 1080p60/50 (Level A)
- 1080i60/50
- 1080p30/25/24
- 1080psf25/24
- 720p60/50
Hollyland Cosmo C1 Wireless SDI/HDMI Transmission System
General Specifications
| Range | 1000 feet |
| Code rate | 12mbps |
| Live streaming | Embedded UVC |
| Auto frequency hopping | Yes |
| Channel scan | Yes (Rx) |
| App monitoring | No |
| Power option | L-series battery, USB Type-C power source, 12V DC power source |
Transmitter
| Interfaces | |
| Power supply | |
| Power | <9W |
| Weight | 214 g (Without exterior antenna) |
| Dimensions (L x W x H) | 115 x 70 x 32 mm (battery plate excluded) |
| Input/output video format | |
| Frequency | 5.1 to 5.8 GHz |
| Transmission power | Maximum 22dBn |
| Receiver sensitivity | - |
| Transmission latency | As low as 40ms |
| Bandwidth | 20MHz |
Receiver
| Interfaces | |
| Power supply | |
| Power | <9W |
| Weight | 210 g (Without exterior antenna) |
| Dimensions (L x W x H) | 115 x 70 x 32 mm (battery plate excluded) |
| HDMI | |
| SDI | |
| Frequency | 5.1 to 5.8 GHz |
| Transmission power | - |
| Receiver sensitivity | -80dBm |
| Transmission latency | As low as 40ms |
| Bandwidth | 20MHz |
Koah Weatherproof Hard Case with Customizable Foam
| Internal volume | 400 cubic inches; 6.57 liters |
| Internal dimensions | 9.57 x 7.17 x 6.18 inches |
| External dimensions | 10.63 x 9.09 x 7.28 inches |
| Waterproof | IP67 rating. Up to 1 meter depth for 30 minutes |
| Pressure relief valve | Yes |
| Shockproof | Yes |
| Dustproof | Yes |
| Ultraviolet and impact resistant material | Yes |
| Operating temperature | -40 to +194 degree Fahrenheit |
| Maximum buoyancy | 14.0 pounds |
| Weight | 3.1 pounds |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.













