Hollyland Cosmo C2 HDMI/SDI Wireless Video 2-Transmitter System

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  • Wireless Video Transmitter/Receiver Set
  • Transmitters: HDMI/SDI In, SDI Loop Out
  • Receiver: 2 HDMI/SDI Outputs
  • 3000′ Line-of-Sight 1080p60 Transmission
  • 5.1 to 5.85 GHz Frequency Bands
  • Supports UVC, RTMP & NDI|HX Streaming

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Hollyland Cosmo C2 HDMI/SDI Wireless Video 2-Transmitter System

The Hollyland Cosmo C2 is a high-performance wireless video transmission system designed for filmmakers, live streamers, and broadcasters who demand ultra-low latency and reliable connectivity. With dual transmitters, a 1000ft (300m) range, and crystal-clear 1080p60 resolution, this system ensures seamless video transmission without interference. Whether you’re working on film sets, live events, or corporate productions, the Cosmo C2 delivers professional-grade performance in any environment.

Flawless Wireless Video Transmission with Zero Lag
Experience true real-time video monitoring with sub-40ms latency, ensuring smooth and uninterrupted workflow. The Cosmo C2 transmits high-definition video signals with near-instant speed, making it the ideal choice for multi-camera setups, live broadcasts, and professional productions. Unlike traditional wireless systems that suffer from delays and dropouts, this advanced system maintains a stable, high-quality connection throughout your shoot.

Extended Range and Interference-Free Connectivity
With an impressive 1000ft (300m) transmission range, the Hollyland Cosmo C2 allows you to move freely without worrying about losing signal. Whether you’re filming in large venues, outdoor locations, or high-interference environments, this system provides a rock-solid connection with 5GHz adaptive frequency hopping (AFH) technology, ensuring automatic channel selection for minimal interference.

Versatile HDMI/SDI Compatibility for Seamless Integration
Designed for maximum flexibility, the Cosmo C2 supports both HDMI and SDI inputs and outputs, making it compatible with a wide range of professional cameras, monitors, and switchers. This dual-interface design allows you to easily integrate the system into any production workflow, whether you’re using cinema cameras, DSLRs, or professional broadcast equipment.

User-Friendly Design for Quick Setup and Portability
Built for on-the-go professionals, the Hollyland Cosmo C2 features a compact, lightweight, and durable design that ensures effortless portability. The plug-and-play setup allows for quick deployment, so you can start transmitting video instantly without complicated configurations. An OLED display provides real-time monitoring of signal strength and settings, keeping you in control at all times. With multiple power options, including DC, NP-F, and V-mount compatibility, you can keep the system running throughout long shoots without interruption.

Why Should You Use the Hollyland Cosmo C2 Wireless Video System?

The Hollyland Cosmo C2 is designed for filmmakers, broadcasters, and live event professionals who need seamless, real-time video transmission without lag or interference. Traditional wired setups limit movement and create clutter, while unreliable wireless solutions suffer from signal dropouts and latency issues. The Cosmo C2 eliminates these frustrations, delivering a stable, zero-latency connection up to 1000ft (300m), ensuring smooth operation in any production environment.

With dual transmitters, HDMI/SDI compatibility, and automatic frequency hopping technology, this system adapts to high-interference environments, making it the ideal choice for multi-camera setups, event coverage, and professional filmmaking. The compact, lightweight design with multiple power options ensures portability and all-day usability. Whether you’re on a film set, live stage, or remote location, the Hollyland Cosmo C2 enhances your workflow with unmatched reliability and flexibility.

Specifications

Inputs/Outputs
Antenna I/O
Transmitter/Receiver: 2x RP-SMA
Video I/O
Transmitter: 1x HDMI 1.4b Input
Transmitter: 1x BNC (3G-SDI) Input
Transmitter: 1x BNC (3G-SDI) Loop Output
Receiver: 2x HDMI 1.4b Output
Receiver: 2x BNC (3G-SDI) Output
Embedded Audio
HDMI/SDI
Audio I/O
No
Power I/O
Transmitter/Receiver: 1x Barrel Input
Other I/O
Transmitter/Receiver: 1x USB-C
Receiver: 1x RJ45 (10/100 Ethernet)
Encryption
No,
Wireless
Wireless Range
3000′ / 914.4 m
Channel Bandwidth
40 MHz
Frequency Range
5.1 to 5.85 GHz
Latency
33 ms
RF Power
< 23 dBm
RF Sensitivity
-90 dBm
Wi-Fi
Yes
Bluetooth
No
Mobile App Compatible
No
Cellular Support
No
Format Support
Video Format
HDMI/SDI
1080p: 60/59.94/50/30/29.97/25/24/23.98
1080i: 60/59.94/50
720p: 60/59.94/50
Audio Format
Not Specified by Manufacturer
Timecode Support
No
Power
Input Power
6 to 16 VDC
Battery Type
Transmitter: 1x L-Series
Receiver: 1x V-Mount
Power Consumption
Transmitter: 10 W
Receiver: 11 W
Mounting
Mounting
Transmitter/Receiver: 1/4″-20 Female (Bottom)
General
Status Display
Receiver: LCD
Environmental Resistance
No
Dimensions
Transmitter: 4.5 x 2.7 x 1.4″ / 114.8 x 69 x 35.5 mm
Receiver: 5.6 x 3.4 x 1.3″ / 142 x 87.2 x 33.2 mm
Weight
Transmitter: 7.4 oz / 210.00 g
Receiver: 15.5 oz / 440.00 g
Brands