Hollyland Cosmo C2 (1TX + 1RX) – Compact, Low-Latency Wireless Video System
Simplify high-quality live video capture with this streamlined 1080p60 wireless kit. Featuring one transmitter and one receiver, the Cosmo C2 delivers ultra-low latency, long range, and modern streaming flexibility—all in a user-friendly, rack-worthy package.
Key Features
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Efficient 1TX→1RX setup: Ideal for single-camera workflows or minimal kit setups without excess gear.
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Long-range & ultra-low latency: Delivers stable wireless video up to 1 000 m line-of-sight with just 33 ms delay.
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HEVO 2.0 frequency hopping: Automatically maintains a clean, interference-free signal in crowded RF environments.
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Versatile I/O: HDMI and 3G-SDI inputs on the transmitter with loop-out; dual HDMI/SDI outputs plus Ethernet on the receiver.
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Multi-protocol streaming: Supports NDI|HX, UVC, and RTMP for direct live streaming or networked workflows.
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Frame rate compensation: Receiver smooths low-frame-rate sources (24p/25p/30p) to fluid 60p output.
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Flexible power options: Works with DC, NP-F, or V-Mount batteries for fast transitions between studio and field setups.
Customer Benefits
This compact Cosmo takes the guesswork out of wireless video. With rock-solid range and intuitive setup, you maintain high fidelity 1080p feeds even on dynamic shoots. It’s perfect for minimalist camera rigs, streaming, or multi-room monitor distribution with a single, elegant system.
Quick Specs
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Transmission range: ≈ 1 000 m (3 000 ft) LOS
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Latency: ≈ 33 ms
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Video formats: 1080p/60, 1080i, 720p (HDMI/SDI)
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Transmit ports: HDMI In, 3G-SDI In, SDI Loop-Out, USB-C (OTG), SMA antennas
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Receive ports: 2× HDMI Out, 2× 3G-SDI Out, USB-C, RJ45 Ethernet, SMA antennas
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Streaming support: NDI|HX, UVC, RTMP
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Power draw: ~10 W (TX), ~11 W (RX)
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Weights: TX ~210 g; RX ~440 g
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Dimensions: TX ≈ 11.5 × 6.9 × 3.6 cm; RX ≈ 14.2 × 8.7 × 3.3 cm
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Operating frequency: 5.15–5.85 GHz
What’s in the Box
- 1 × Transmitter
- 1 × Receiver
- 5 × Blade Antennas
- USB-C OTG Adapter
- Cold-Shoe Mount
- DC Power Adapter
- Hard Carrying Case
- Quick-Start Guide & Warranty Documentation
Use Cases / Ideal For
Perfect for run-and-gun productions, live streaming from single-camera setups, event capture, or feed distribution in broadcast trucks—powerful video links in simplified form.
Compatibility
Works with any SDI or HDMI camera. Connect via HDMI/SDI, stream via UVC or NDI, or insert into existing video networks—Cosmo C2 adapts to hybrid workflows effortlessly.
Pros & Cons
✅ Pros:
- Minimalist 1TX+1RX simplifies setup and reduces clutter
- Low-latency, long-range wireless ideal for mobile & remote work
- Broad streaming support and format flexibility
⚠️ Cons:
- Lacks multi-camera input—requires upgrading for stereo rigs
- 5 GHz band may face regional restrictions—check local radio rules
Hollyland Cosmo C2 (1TX + 1RX) delivers smooth, versatile, and professional wireless video—ideal for creators who need reliable performance in a compact and smart package.
