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Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System
The Cosmo C1 SDI/HDMI Wireless Video Transmission System from Hollyland allows you to wirelessly transmit high-resolution video up to 1080p60 over long distances up to 1000′ to a single receiver, allowing flexible video monitoring and distribution for your studio or field production. This kit consists of a transmitter and a
Cosmo C1 Wireless Video Transmission System
Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System, The Cosmo C1 Wireless Video Transmission System provides high-resolution video
up to 1080p60 over distances up to 1000′ to a single receiver,
enhancing video monitoring and distribution in both studio and field settings.
The system includes a transmitter and a receiver that operate on the 5.1 to 5.9 GHz frequency range.
Key Features:
- Long-Distance Transmission: Up to 1000′ line-of-sight with 40 ms latency using HEVC/H.265 codec.
- Secure Transmission: Uses AES-128 encryption and HEVO technology for adaptive frequency hopping, ensuring a clean signal.
- Versatile Inputs/Outputs: Transmitter offers HDMI and SDI inputs with SDI loop-through;
receiver provides two SDI outputs, one HDMI output, and USB Type-C for live streaming. - Power Options: Powered by L-series battery, DC input, or optional USB Type-C supply.
- Mounting & Cooling: Includes 1/4″-20 threads, cold shoe adapter for versatile mounting, auto fan mode for quiet operation, and a low-battery indicator with a 20-minute warning.
Both units feature a bright OLED display for easy status and configuration monitoring.
Four standard antennas and two mushroom antennas are included to ensure optimal signal strength.
| Video I/O | Transmitter: 1x BNC (3G-SDI) Input |
|---|---|
| Embedded Audio | HDMI/SDI: 2-Channel |
| Latency | 40 ms |
| Video Format | HDMI |
| Battery Type | Transmitter/Receiver: 1x L-Series |
| Power Consumption | Transmitter/Receiver: 9 W |
| Mounting | 1x Cold Shoe |
| Antenna I/O | Transmitter/Receiver: 2x RP-SMA Male |
| HDCP Support | Not Specified by Manufacturer |
| Audio I/O | no |
| Power I/O | Transmitter/Receiver: 1x USB-C (2 A / 5 VDC) Input |
| Other I/O | Transmitter/Receiver: 1x USB-C 3.0 / 3.1/3.2 Gen 1 Input |
| Wireless Range | 1000' / 304.8 m |
| Channel Bandwidth | 20 MHz |
| Frequency Range | US: 5.1 to 5.8 GHz |
| Wi-Fi | yes |
| Bluetooth | no |
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- Transmit UHD 4K30 Video up to 1300′
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- 650′ Transmission in Broadcast Mode
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- Transmitter & Receiver Mode Switching
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- Up to 1080p60 SDI/HDMI Video
- High 1500 cd/m² Brightness
- Auto Frequency Hopping, 2.4/5 GHz Bands
- RTMP Streaming, USB/SD Card Import/Save
- Built-In L-Series Battery Plate
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