1 to 8 HDMI Digital RF Modulator with Closed Captioning (CC) | Multi-Channel Encoder
FEATURES
- HDMI Channels: Available at 1/4/8/16/24/48 Ch
- Supported Resolution: 1280x720P 60 / 59.94 / 50 Hz 1920x1080I 60 / 59.94 / 50 Hz H.264 Codec ONLY 1920x1080P 60 / 59.94 / 50 Hz
- Modulation Standard: QAM - J.83A, J.83B, J.83C. Firmware for ATSC or DVB-T available
- Availability: In-Stock and Ship Today
- Wholesale Discount: Yes
- Shipping Method: DHL, FedEx, UPS, EMS, By Sea, By Air
- Payment: TT(Bank Transfer), Western Union, Paypal, Payoneer
Description
FMUSER’s 1 to 8 HDMI Digital RF Modulator with Closed Captioning (CC) delivers unparalleled flexibility for modern AV distribution, supporting seamless integration of HDMI sources—from streaming devices and CCTV cameras to satellite receivers—into legacy coaxial infrastructures. Engineered for scalability, this CATV Modulator series (1/4/8-channel configurations) ensures robust performance with multistandard RF modulation compliance, enabling global plug-and-play compatibility across NTSC, PAL, and QAM standards. Each channel operates on an independent frequency, leveraging QAM Modulator technology to encode crisp 1080p video and Dolby AC3 audio, while embedded Closed Captioning ensures accessibility compliance. Designed for 19” rack integration, the HDMI Modulator series pairs effortlessly with existing coax networks, distributing signals via splitters, amplifiers, or combiners to unlimited endpoints without IPTV dependency—ideal for hospitality, education, or broadcast environments demanding cost-effective, future-proof solutions.
Advanced features like IP web-based remote control empower system integrators to manage configurations globally, while modular expansion allows combining units to achieve 135+ CATV RF channels for large-scale deployments. FMUSER’s Digital Modulator lineup prioritizes reliability, with MPEG2 compression and low-latency processing ensuring broadcast-grade quality. Whether upgrading legacy systems or deploying new Coax Modulator networks, this solution bridges cutting-edge HDMI inputs with SDI-ready outputs, maintaining signal integrity across extended distances.
For integrators seeking a scalable, standards-driven RF Modulator that simplifies hybrid AV workflows, FMUSER’s innovation-driven design guarantees seamless interoperability and long-term ROI. Elevate your distribution capabilities—contact us today to tailor a system that aligns with your project’s unique demands.
Model Selection
- H-HDCOAX-1 channel HDMI modulator with Closed Captioning
- H-HDCOAX-4 channel HDMI modulator with Closed Captioning
- H-HDCOAX-8 8-channel HDMI modulator with Closed Captioning
Main Features
1. Scalable Input Configuration
Designed for flexible integration, this 8-channel HDMI modulator supports 1 to 8 HDMI inputs (model-dependent), enabling seamless connectivity with DVD players, STBs, CCTV cameras, and more. System integrators can scale deployments effortlessly for residential, hospitality, or broadcast environments.
- Multi-Channel HDMI Support: Configure 1/4/8 HDMI inputs (1080p/60 HDCP-compliant) to aggregate diverse sources into a unified RF output.
- Universal Source Compatibility: Works with HDMI 1.4 devices, ensuring plug-and-play functionality with Blu-ray players, gaming consoles, and satellite receivers.
2. High-Definition Video & Audio Performance
Deliver broadcast-grade quality with advanced encoding and low-latency processing, ideal for mission-critical AV distribution.
- Crisp 1080p Resolution: Supports 1080p/60, 1080i, 720p, and SD formats (576i/480i) via MPEG2 video encoding for sharp, artifact-free output.
- Immersive Audio: Dual-channel MPEG Layer 2, AAC, and Dolby AC3 encoding ensure rich, synchronized sound for Dolby HD experiences.
- Closed Captioning (EIA 608): Mandatory accessibility compliance for broadcast, education, and public venues.
3. Advanced Modulation & Broadcast Compliance
A CATV modulator engineered for global adaptability, supporting dynamic switching between DVB-C QAM, ATSC, DVB-T, and ISDB-T standards.
- Multi-Standard RF Output: Distribute signals via coaxial networks using QAM/ATSC/DVB-T modulation, compatible with TVs, STBs, or headend systems.
- Channel Flexibility: Assign LCN (Logical Channel Numbers) for intuitive channel organization and user-friendly navigation.
4. Intuitive Control & Monitoring
Simplify system management with web-based tools and real-time monitoring tailored for tech-savvy integrators.
- IP Web Interface: Configure settings, update firmware, or troubleshoot remotely via browser-based NMS (Network Management System).
- Front-Panel LCD Display: Monitor status, frequency, and input/output parameters at a glance for on-site diagnostics.
5. Reliability & Future-Proof Design
Built for demanding environments, this 8-channel RF modulator combines rugged hardware with software agility.
- Low Latency (200–600ms): Near-real-time processing minimizes delays for live broadcasts, sports, or interactive applications.
- Rack-Ready Chassis: 19” rack-mountable design with passive cooling ensures 24/7 operation in data centers or headends.
Specifications
| Encoding Section-Video | ||
| Encoding | MPEG2 | |
| Interface | HDMI*1 | |
| Resolution | Input | Output |
| 720@60p | Max. 1080@30p | |
| Max. 1080@30p | 1080@50i | |
| Max. 1080@30p | 1080@60p | |
| Bit rate | 2.000-24.000 Kbps | |
| Encoding Section-Audio | ||
| Encoding | MPEG-1 Layer2, MPEG-2 AAC, AC3 | |
| Sample rate | 48KHz | |
| Bit rate | MPEG1 Layer 2 (128Kbps) | |
| Bit rate | MPEG-2 AAC (VBR) | |
| Bit rate | AC3 (128kbps) | |
| System | ||
| Management | Ethernet | |
| Language | English | |
| Upgrade | USB/Ethernet | |
| Menu Configuration | ||
| Basic | RF range/Key ID/ Service Name/ RF attenuation | |
| Advanced | Service provider/Network ID/ ONID/ TS ID/ Service | |
| ID/PMT PID/VPID/APID/PCR PID/Network | ||
| HDMI Encoding Section | ||
| Input | Interface | 1HDMI + 1CVBS for CC 4HDMI + 4CVBS for CC 8HDMI + 8CVBS for CC |
| Video | Encoding | MPEG2 |
| Input | Output | |
| 480@59.94 /60i | 480@30p | |
| 576@50i | 576@25p | |
| 720@50/59.94/60p | 720@25/30p | |
| 1080@50i | 1080@25p | |
| 1080@59.94 /60i | 1080@30p | |
| 1080@50p | 1080@25p | |
| 1080@59.94 /60p | 1080@30p | |
| Bit-rate | 2.000~20.000 Mbps | |
| Rate Control | VBR | |
| Aspect Ratio | 16 :9 | |
| Audio | Encoding | MPEGI layer2, AAC, AC3 |
| Sample rate | 48KHz | |
| Bit rate | MPEG1 layer2 (192kbps) | |
| Bit rate | AAC (VBR) | |
| Bit rate | AC3 (128kbps) | |
| DVB-C Modulator Section | ||
| Standard | J.83A (DVB-C), J.83B | |
| MER | ≥35dB | |
| RF frequency | 100-1000MHz, 1KHz step | |
| RF output level | -63~ -16dBm (44~91 dBµV), 1dB step | |
| Symbol rate | 3.000~7.000Msps adjustable | |
| J.83A | J.83B | |
| Constellation | 16/32/64/128/256QAM | 64/ 256QAM |
| Bandwidth | 8M | 6M |
| DVB-T Modulator Section | ||
| Standard | DVB-T COFDM | |
| Bandwidth | 2M, 3M, 4M, 5M, 6M, 7M, 8M | |
| Constellation | QPSK, 16QAM, 64QAM | |
| Code rate | 1/2, 2/3, 3/4, 5/6, 7/8 | |
| Guard Interval | 1/32, 1/16, 1/8, 1/4 | |
| Transmission Mode: | 2K, 8K | |
| MER | ≥35dB | |
| RF frequency | 100-1000MHz, 1KHz step | |
| RF output level | -63~ -16dBm(44~91 dBµV), 1dB step | |
| ISDB Modulator Section | ||
| Standard | ARIB STD-B31 | |
| Constellation | QPSK, 16QAM, 64QAM | |
| Guard Interval | 1/32, 1/16, 1/8, 1/4 | |
| Transmission Mode | 2K, 4K, 8K | |
| Code rate | 1/2, 2/3, 3/4, 5/6, 7/8 | |
| RF frequency | 100~1000MHz, 1KHz step | |
| RF output level | -63~ -16dBm(44~91 dBµV), 1dB step | |
| ATSC Modulator Section | ||
| Standard | ATSC A/53 | |
| Constellation | 8VSB | |
| RF output level | -63~-16dBm (44~91dBµV),1dB step | |
| MER | ≥35dB | |
| RF frequency | 100~1000MHz, 1KHz step | |
| RF output level | -63~ -16dBm(44~91 dBµV), 1dB step | |
| System | ||
| Management | Web | |
| Language | English | |
| Upgrade | Web update | |
| General | ||
| Power supply | AC 100V±10%, 50/60Hz or AC 220V±10%, 50/60Hz | |
| Dimensions | 482x328x44.5mm = (19"x12.9"x1.7" ) | |
| Temperature | '0~45°C(operation),-20~80°C(storage) | |
Why Choose FMUSER’s 8-Channel HDMI Coax Modulator?
FMUSER’s multi-channel HDMI modulator bridges cutting-edge HDMI sources with legacy coax networks, offering unmatched scalability and compliance. Whether deploying QAM modulators for CATV headends or multi-channel RF modulators for enterprise AV, this solution ensures seamless signal distribution with closed captioning support.
Ready to streamline your AV workflow? Contact FMUSER to customize a system tailored to your project’s unique requirements.
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FMUSER INTERNATIONAL GROUP LIMITED.
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