Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter System [Select]

From: R22,995.00

Key Features
  • 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
  • FPS Booster Converts Frame Rates
  • HEVO 2.0 Technology, 33 ms Latency
  • DC Input, L-Series/V-Mount Battery Plate
SKU: N/A Category: Tag:

Description

Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter System: Zero-Latency Wireless Monitoring for Professional Production

The Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter System is a next-generation wireless video solution engineered for professional filmmakers, broadcast crews, and live production teams who demand reliability, ultra-low latency, and high-quality image transmission. With dual HDMI/SDI interfaces, advanced anti-interference technology, and a robust wireless range, the Cosmo C2 brings exceptional stability and flexibility to every production environment — whether on set, on stage, or in the field.

Professional-Grade Wireless Video Transmission

The Cosmo C2 delivers zero-latency (<40ms) wireless transmission of Full HD 1080p60 video, ensuring real-time monitoring without compromise. Its dual-band 5.1–5.9GHz frequency range uses adaptive channel scanning and dynamic frequency hopping to maintain a clear, stable connection even in congested environments. With a line-of-sight range of up to 1,000 feet (300 meters), the Cosmo C2 is ideal for film sets, live broadcasts, multi-camera productions, and Steadicam or gimbal operations.

  • Transmission Range: Up to 1,000 ft (300 m) line-of-sight
  • Latency: Less than 40ms for near-instant video feedback
  • Resolution Support: Full HD 1080p60
  • Frequency Band: 5.1–5.9GHz adaptive frequency hopping for interference-free transmission

Dual HDMI and SDI Input/Output for Versatile Integration

Designed for professional workflows, the Cosmo C2 features both 3G-SDI and HDMI input/output, supporting integration with a wide range of cameras, monitors, and switchers. The transmitter includes one HDMI and one SDI input, while the receiver provides matching outputs, making it compatible with cinema cameras, DSLRs, broadcast rigs, and wireless director’s monitors. The system supports embedded audio transmission, ensuring your video and sound stay perfectly in sync.

  • Inputs (TX): 1 × HDMI, 1 × 3G-SDI
  • Outputs (RX): 1 × HDMI, 1 × 3G-SDI
  • Cross-Compatibility: Works seamlessly across multiple camera and monitor systems
  • Embedded Audio Support: Delivers synchronized video and audio feeds

Intelligent Signal Management and Monitoring

The Cosmo C2’s advanced signal processing engine features Smart Channel Scan, allowing users to visualize the real-time interference level and manually or automatically select the cleanest channel. This ensures consistent signal strength and reliability, even in crowded RF environments such as events or multi-crew film sets. The OLED display on both transmitter and receiver units provides at-a-glance system status, including channel selection, signal strength, resolution, and battery life.

  • Smart Channel Scan: Monitors RF environment for optimal channel selection
  • OLED Display: Real-time feedback for settings, battery, and signal information
  • Automatic Reconnection: Instantly recovers lost signal when moving between locations
  • Stable Encryption: AES-128 encryption for secure video transmission

Built for Reliability and Field Durability

Constructed from aerospace-grade aluminum alloy, the Cosmo C2 is rugged yet lightweight, designed to withstand the physical demands of professional use. With multiple power options, including L-series battery plates, D-Tap power input, and USB-C, the system integrates seamlessly into any production setup. Both the transmitter and receiver feature active cooling vents for extended operation during long shooting days.

  • Build Material: CNC aluminum housing for superior durability
  • Power Options: L-series battery plate, D-Tap, or USB-C input (7–16V)
  • Cooling System: Intelligent fan for heat management and silent operation
  • Mounting: Multiple ¼”-20 threaded points for versatile rig placement

Designed for On-Set Efficiency

The Cosmo C2 streamlines communication between camera operators, focus pullers, and directors by providing uncompressed, high-quality video monitoring without tethered cables. Its ultra-stable connection and instant transmission make it perfect for use on gimbals, cranes, drones, and handheld setups, giving cinematographers the freedom to move without sacrificing performance or image integrity.

  • Ideal For: Gimbals, Steadicams, drones, handheld rigs, and multi-camera setups
  • Signal Quality: Uncompressed 1080p video for accurate monitoring
  • Power Efficiency: Extended runtime with low power consumption design
  • Plug-and-Play Setup: Simple pairing and automatic connection

The Complete Professional Wireless Solution

The Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter System redefines professional wireless monitoring with its combination of low latency, robust transmission range, dual connectivity, and rugged design. Built for the realities of professional filmmaking and live production, it ensures flawless, real-time image delivery in even the most demanding environments.

For creators who need zero-delay wireless performance, flexible connectivity, and rock-solid reliability, the Cosmo C2 is a professional tool built to elevate your production workflow—every time you roll camera.

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Additional information

Select Kit

2 Transmitters, 1 Transmitter

Specifications

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
Latency
33 ms
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
Battery
Receiver: 1x V-Mount on Fixed Plate
Transmitter: 1x L-Series Mount on Fixed Plate
Power Consumption
Transmitter: 10 W
Receiver: 11 W
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
Receiver: 1x V-Mount on Fixed Plate
Transmitter: 1x L-Series Mount on Fixed Plate
Power Consumption
Transmitter: 10 W
Receiver: 11 W
Mounting
Tripod/Accessory Mounting
Receiver/Transmitter, Bottom
1x 1/4″-20 Female
General
Status Display
On Receiver Only
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
Packaging Info
Package Weight
7.02 lb
Box Dimensions (LxWxH)
16.6 x 14.5 x 7″

What's In The Box - 2TX or 1TX system

2TX System

  • Hollyland Cosmo C2 HDMI/SDI Wireless Video 2-Transmitter System
  • 2 x Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter
  • Cosmo C2 Receiver
  • 7 x Blade Antenna
  • USB-C OTG Adapter
  • 2 x Expansion Accessory
  • 2 x Cold Shoe Mount
  • Power Adapter (12 VDC, 2A)
  • Carrying Case
  • Limited 1-Year Manufacturer Warranty

1TX System

  • Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmission System
  • Hollyland Cosmo C2 HDMI/SDI Wireless Video Transmitter
  • Cosmo C2 Receiver
  • 5 x Blade Antenna
  • USB-C OTG Adapter
  • Expansion Accessory
  • Cold Shoe Mount
  • Power Adapter (12 VDC, 2A)
  • Carrying Case
  • Limited 1-Year Manufacturer Warranty