Hollyland Cosmo C2 Wireless Video Transmission System

Introducing the Hollyland Cosmo C2, a cutting-edge wireless video transmission system engineered for professional broadcast and video production applications. This advanced system features a dual-transmitter (2TX) and single-receiver (1RX) configuration, streamlining multi-camera setups by reducing equipment and cable clutter. With an impressive line-of-sight (LOS) transmission range of up to 3,000 feet (1,000 meters) and ultra-low latency of just 33 milliseconds, the Cosmo C2 ensures seamless, high-quality video feeds even in demanding environments.

At the heart of the Cosmo C2 is Hollyland's self-developed HEVO 2.0 technology, which offers significant improvements over previous iterations. This innovative technology enables intelligent seamless frequency hopping, automatically detecting and switching to the cleanest available channels to maintain uninterrupted transmission. Additionally, the system supports NDI HX3, UVC, and RTMP streaming protocols, providing versatile options for live streaming and broadcast scenarios.

Designed with flexibility in mind, the Cosmo C2 is equipped with both HDMI and SDI ports, ensuring compatibility with a wide range of professional video equipment. The system also supports fractional frame rates, catering to various broadcast standards and ensuring smooth integration into existing workflows. Whether you're covering live events, electronic field productions (EFP), or multi-camera broadcasts, the Hollyland Cosmo C2 delivers reliable performance and exceptional video quality.

Key Features

• Dual-Transmitter and Single-Receiver Configuration: Simplifies multi-camera setups by reducing equipment and cable requirements.
• Extended Transmission Range: Offers a LOS range of up to 3,000 feet (1,000 meters), ideal for large venues and complex environments.
• Ultra-Low Latency: Delivers video transmission with a latency of just 33 milliseconds, ensuring real-time monitoring and control.
• HEVO 2.0 Technology: Provides intelligent seamless frequency hopping for uninterrupted transmission.
• NDI HX3, UVC, and RTMP Support: Enables versatile streaming options for various broadcast and live streaming applications.
• HDMI and SDI Ports: Ensures broad compatibility with professional video equipment.
• Fractional Frame Rate Support: Accommodates various broadcast standards for smooth workflow integration.

Technical Specifications

Transmitter

Port:
DC Input: 2.0mm Core Socket
HDMI Input: HDMI 1.4b
SDI Input: 3G SDI
SDI Loopout: 3G SDI
USB-C: USB 2.0 OTG
Antenna: SMA Male

Power Supply:
NP-F Battery Voltage Range: 6.8 – 8.4V
DC Voltage Range: 6 – 16V

Power Consumption: < 10W

Net Weight: 210g

Dimensions (L × W × H）: 114.8 × 69 × 35.5mm (4.5 × 2.7 × 1.4″)

Operating Frequency: 5.15 – 5.85 GHz

Transmit Power: < 23 dBm

Latency: ≥ 33ms

Bandwidth: 40 MHz

Input/Output Format:
HDMI/SDI Input
SDI Loopout
720p/59.94/60
1080i50/59.94/60
1080p23.98/25/29.97/30
1080p50/59.94/60

Receiver

Port:
DC Input: 2.0mm Core Socket
HDMI Output: HDMI 1.4b × 2
SDI Output: 3G SDI × 2
USB-C: USB 2.0 OTG
Antenna: SMA Male
Ethernet Port: RJ45, 100 Mbps

Power Supply:
V-Mount Battery Voltage Range: 11.8 – 16.8V
DC Voltage Range: 6 – 16V

Power Consumption: < 11W

Net Weight: 440g

Dimensions (L × W × H）: 142 × 87.2 × 33.2mm (5.6 × 3.4 × 1.3″)

Operating Frequency: 5.15 – 5.85 GHz

Receiver Sensitivity: −90 dBm

Latency: ≥ 33ms

Bandwidth: 40 MHz

Input/Output Format:
HDMI/SDI Output
720p50/59.94/60
1080i50/59.94/60
1080p23.98/24/25/29.97/30
1080p50/59.94/60

What’s Included

2 Transmitters & 1 Receiver: Wireless Video Transmitter x 2, Wireless Video Receiver x 1, Blade Antenna x 7, 12V/2A DC Power Adapter x 1, USB-C OTG Adapter x 1, Expansion Accessory x 2, Cold Shoe x 2, Cosmo C2 Carry Case 01 (2TX+1RX) x 1, Warranty Card x 1, Compliance Information Card x 1, User Manual x 1, Packing List Card x 1.

1 Transmitter & 1 Receiver: Wireless Video Transmitter x 1, Wireless Video Receiver x 1, Blade Antenna x 5, 12V/2A DC Power Adapter x 1, USB-C OTG Adapter x 1, Expansion Accessory x 1, Cold Shoe x 1, Cosmo C2 Carry Case 02 (1TX+1RX) x 1, Warranty Card x 1, Compliance Information Card x 1, User Manual x 1, Packing List Card x 1.

Transmitter Only: Wireless Video Transmitter x 1, Blade Antenna x 2, USB-C OTG Adapter x 1, Warranty Card x 1, User Manual x 1, Packing List Card x 1.