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HOLLYLAND COSMO C1 Wireless SDI & HDMI Video Transmission System (6S / Multicam Expansion)
KSh 188,640.00
Technical Specifications
Category Specification
Transmission Range 1,000 feet ($300\text{m}$) Line-of-Sight (LOS) wireless range
System Propagation Latency Near-zero propagation delay down to 0.04 seconds (40ms)
Wireless RF Protocol HEVO Technology (Hardware-accelerated H.265 / HEVC coding)
Frequency Hopping Speed Synchronous frequency hopping completed in 0.001s (Adaptive AFH)
Transmitter (TX) Interfaces 1x 3G-SDI Input, 1x 3G-SDI Loop-out, 1x HDMI Input (Type-A)
Receiver (RX) Interfaces 2x 3G-SDI Output, 1x HDMI Output, 1x USB Type-C (UVC Capture Port)
HOLLYLAND COSMO C1 Wireless SDI & HDMI Video Transmission System (6S / Multicam Expansion)
Achieve bulletproof, zero-latency monitoring across your production sets with the Hollyland Cosmo C1. Engineered specifically for elite focus pullers, commercial directors, and broadcast crews, this high-performance system introduces revolutionary HEVO wireless transmission technology to eradicate signal dropouts, black screens, and lag. Operating on the clean $5.1\text{ to }5.8\text{ GHz}$ spectrum, the Cosmo C1 utilizes lightning-fast adaptive frequency hopping (AFH) to maintain a pristine, cinema-grade 1080p60 video link even in high-RF environments saturated with heavy Wi-Fi traffic. With a powerful 1,000-foot ($300\text{m}$) line-of-sight range and direct USB-C live streaming capabilities (UVC), it provides a premium, uncompromised wireless pipeline built to handle the rigorous demands of professional monitoring and multi-receiver multicam field configurations.
Meta Requirements
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Title: Hollyland Cosmo C1 Wireless Video System | Kenya Distributor
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Meta Description: Buy the genuine Hollyland Cosmo C1 wireless SDI/HDMI transmitter at Editech Kenya. Features HEVO tech, 300m range, 0.04s latency, and direct UVC streaming.
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Keywords: Hollyland Cosmo C1, Cosmo C1 price Kenya, wireless SDI video transmitter Nairobi, wireless HDMI video link, Hollyland HEVO transmitter, professional monitoring system, broadcast camera equipment Kenya
Technical Specifications
| Category | Specification |
| Transmission Range | 1,000 feet ($300\text{m}$) Line-of-Sight (LOS) wireless range |
| System Propagation Latency | Near-zero propagation delay down to 0.04 seconds (40ms) |
| Wireless RF Protocol | HEVO Technology (Hardware-accelerated H.265 / HEVC coding) |
| Frequency Hopping Speed | Synchronous frequency hopping completed in 0.001s (Adaptive AFH) |
| Transmitter (TX) Interfaces | 1x 3G-SDI Input, 1x 3G-SDI Loop-out, 1x HDMI Input (Type-A) |
| Receiver (RX) Interfaces | 2x 3G-SDI Output, 1x HDMI Output, 1x USB Type-C (UVC Capture Port) |
| Streaming Output Support | Direct UVC (USB Video Class) for driverless Plug-and-Play PC streaming |
| Supported Video Formats | 1080p (60/59.94/50/30/25/24 fps), 1080i (60/50 fps), 720p (60/50 fps) |
| Frequency Spectrum | $5.1\text{ GHz to }5.8\text{ GHz}$ band with smart ambient channel auto-scanning |
| Power Supply Infrastructure | NP-F/L-Series Battery Plate, DC Input ($6\text{–}16\text{V}$), or USB-C ($5\text{V}/2\text{A}$) |
| Chassis Mechanics & Build | Industrial-grade aerospace aluminum alloy shell with integrated cold shoe |
| Physical Form Factor | 115mm $\times$ 70mm $\times$ 32mm | TX Weight: 214g | RX Weight: 210g |
Hollyland Cosmo C1 Pros and Cons
Pros
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Bulletproof Signal Consistency: Patented HEVO frequency hopping switches channels in a millisecond to block out interference before it disrupts the director’s screen.
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True Capture-Card-Free Streaming: The receiver features embedded UVC video extraction, allowing you to feed a live 1080p60 camera stream straight to a laptop via USB-C for OBS or Zoom.
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Precision Focus Puller Approved: An ultra-low 40ms tracking response ensures 1st ACs can safely map focus on high-speed kinetic tracking shots without visual lag.
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Robust Monitoring Configurations: Dual SDI outputs on the receiver combined with an SDI loop-out on the transmitter eliminate the need for signal distribution splitters.
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Advanced Anti-Slide Battery Catch: Built with a mechanical spring ball-catch plate that firmly locks heavy NP-F970 batteries in place during heavy run-and-gun movement.
Cons
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Strict HDMI Input Precedence: If both HDMI and SDI cables are simultaneously active on the transmitter unit, the module defaults automatically to prioritize the HDMI source.
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RF Mushroom Antennas Required for Max Range: Reaching the full 300m range threshold in heavily congested environments requires mounting the included high-gain mushroom antennas rather than flat panels.
Hollyland Cosmo C1 Variations and Price Guide
| Wireless Video Tier / Model | Target Environment & Key Feature Set | Typical Price Range (KES) |
| Mars 400S PRO II | Indie Filmmaking standard: 450ft range; SDI/HDMI ports; 70ms latency; native mobile app streaming. | 75,000 – 85,000 |
| Cosmo C1 (This System) | Cinema & Live Broadcast Tier: 1,000ft range; HEVO ultra-low 40ms latency; embedded UVC capture engine. | 98,000 – 115,000 |
| Mars 4K | UHD Content Creation: 450ft range; supports full 4K30 input over HDMI; high-bitrate data throughput. | 110,000 – 125,000 |
Hollyland Cosmo C1 Suitable Application Areas
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Professional Commercial & Cinema Sets: Provides the high-security AES-128 encrypted, delay-free wireless link needed by 1st ACs, directors, and client monitoring booths.
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High-End Multicam Live Broadcasts: HEVO technology works perfectly alongside other wireless systems, making it excellent for sports, large corporate events, and TV studio setups.
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Direct-to-Cloud Live Streaming: Eliminates heavy external capture hardware, allowing production houses to pipe cinema-camera video straight to live-streaming workstations via a single USB cable.
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Gimbal & Crane Cinematic Operations: The horizontal low-profile cold-shoe design mounts flush to stabilizers, maintaining strict balance on complex crane arms, car rigs, and handheld setups.
Verdict
The Hollyland Cosmo C1 stands out as a top-tier professional powerhouse that completely solves signal instability on set. By combining ultra-low 40ms latency with an integrated hardware UVC video capture driver, it cleanly handles everything from precision focus pulling to high-end live webcasting. For production crews in Kenya looking for absolute reliability and zero down-time from signal drops, the Cosmo C1 is a premier field asset.







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