4 Channel HDMI Encoder Modulator DVB-T ISDB-T DVB-C ATSC | HDMI to RF Digital TV Headend
सिंहावलोकन
The ISDBT2250 Series HDMI Encoder Modulator is a cost-effective and highly integrated digital TV headend solution designed for professional RF distribution systems. It combines HD video encoding, multiplexing, scrambling-ready architecture, मॉडुलन, and IP streaming functions into a single compact device.
Supporting 4 HDMI inputs (वैकल्पिक 8 HDMI version available), the unit converts HDMI video sources such as satellite receivers, media players, सेट-टॉप बॉक्स, surveillance systems, computers, and digital signage players into RF digital television channels compliant with DVB-T, डीवीबी-सी, ISDB-T, एटीएससी, or DTMB broadcasting standards.
With four independent RF carrier outputs, operators can distribute multiple HD channels through existing coaxial cable infrastructure without requiring additional wiring. The integrated Gigabit Ethernet interface supports MPTS and SPTS transport streams using UDP/RTP multicast protocols, enabling seamless integration with IPTV and hybrid RF/IP distribution networks.
The built-in On-Screen Display (OSD) function allows users to overlay logos, subtitles, station names, QR codes, emergency messages, advertisements, and promotional information directly onto video channels, making it ideal for hospitality and commercial broadcasting applications.
The ISDBT2250 series is widely used in hotels, hospitals, educational campuses, sports venues, government facilities, residential communities, cruise ships, correctional institutions, and corporate environments where reliable digital television distribution is required.
विशेषताएँ
Multi-Channel HDMI Encoding
- समर्थन 4 HDMI inputs as standard
- वैकल्पिक 8 HDMI input version available
- Simultaneous encoding of multiple HD video sources
- Real-time H.264/MPEG-4 AVC video compression
- Low latency processing
Multiple Digital TV Standards
Selectable RF output standards include:
- डीवीबी-टी
- डीवीबी-सी
- ISDB-T
- एटीएससी
- DTMB
This flexibility allows deployment in different countries and regions without changing hardware platforms.
Four RF Carrier Outputs
- समर्थन 4 independent RF channels
- Flexible frequency allocation
- Efficient channel management
- Suitable for medium-sized TV distribution systems
Gigabit IP Streaming
- 1 x Gigabit Ethernet interface
- IP input and output support
- UDP protocol support
- RTP protocol support
- Multicast transmission
- MPTS output
- SPTS output
Advanced OSD Insertion
Supports custom overlay content including:
- Corporate logos
- Hotel branding
- QR codes
- Scrolling text
- Emergency announcements
- Promotional graphics
- Channel identification
- Watermarks
User-Friendly Operation
- Front LCD display
- Front panel control buttons
- Easy configuration interface
- Real-time monitoring
Web-Based Management
- Browser-based configuration
- Remote administration
- Network monitoring
- Parameter adjustment
- Device diagnostics
Online Firmware Upgrade
- Remote firmware updates
- Improved maintenance efficiency
- Future feature expansion
- Reduced operational downtime
High Integration Design
Combines:
- HDMI encoder
- Transport stream multiplexer
- RF modulator
- IP streamer
- Management system
into one compact platform.
विशेष विवरण
Video Input
| पैरामीटर | विनिर्देश |
|---|---|
| HDMI Inputs | 4 Channels (वैकल्पिक 8 Channels) |
| Input Connector | HDMI |
| Input Resolution | 1920×1080P |
| Input Resolution | 1920×1080i |
| Input Resolution | 1280×720P |
| Input Resolution | 720×576i |
| Input Resolution | 720×480i |
| Frame Rate | 50हर्ट्ज / 59.94हर्ट्ज |
Video Encoding
| पैरामीटर | विनिर्देश |
| Video Codec | MPEG-4 AVC / 264 |
| Encoding Type | Real-Time Hardware Encoding |
| Bit Rate Range | 1 Mbps – 13 Mbps per Channel |
| Rate Control | CBR / VBR |
Video Output Resolution
Supported output formats include:
- 1920 × 1080 @ 50P
- 1920 × 1080 @ 30P
- 1280 × 720 @ 30P
- 720 × 576 @ 25P
- 720 × 480 @ 25P
Audio Encoding
| पैरामीटर | विनिर्देश |
| Audio Codec | MPEG-1 Layer II |
| Sampling Rate | 48 KHz |
| Audio Bitrate | 64 Kbps |
| Audio Bitrate | 128 Kbps |
| Audio Bitrate | 192 Kbps |
| Audio Bitrate | 224 Kbps |
| Audio Bitrate | 256 Kbps |
| Audio Bitrate | 320 Kbps |
| Audio Bitrate | 384 Kbps |
RF Output
| पैरामीटर | विनिर्देश |
| RF Channels | 4 Independent Carriers |
| Modulation Standards | डीवीबी-टी / डीवीबी-सी / ISDB-T / एटीएससी / DTMB |
| Frequency Configuration | Adjustable |
| Output Type | Digital RF Television Signal |
ASI Interface
| पैरामीटर | विनिर्देश |
| ASI Output | 2 Channels |
| Transport Stream | MPEG TS |
IP Streaming
| पैरामीटर | विनिर्देश |
| Ethernet Interface | 1 × Gigabit RJ45 |
| Protocol | UDP |
| Protocol | आरटीपी |
| Output Mode | MPTS |
| Output Mode | SPTS |
| Multicast Support | हाँ |
प्रबंध
| पैरामीटर | विनिर्देश |
| LCD Display | हाँ |
| Front Panel Keys | हाँ |
| Web Management | हाँ |
| Remote Configuration | हाँ |
| Online Upgrade | हाँ |
अनुप्रयोग
Hotels and Resorts
Distribute satellite TV, promotional channels, information channels, and entertainment content to guest rooms through existing coaxial cable networks.
Benefits:
- Lower infrastructure costs
- Centralized channel management
- Hotel branding through OSD
- Guest information broadcasting
Hospitals
Deliver educational programs, healthcare information, entertainment channels, and hospital announcements to patient rooms.
Benefits:
- Central content control
- Reliable signal distribution
- Emergency information broadcasting
Educational Institutions
Ideal for:
- Universities
- Colleges
- Schools
- Training centers
Applications include:
- Campus television
- Distance learning
- Lecture broadcasting
- Information channels
Corporate Buildings
Provide:
- Corporate communications
- Internal training channels
- Digital signage distribution
- Live event broadcasting
Sports Bars and Clubs
Distribute multiple HDMI sources from:
- Satellite receivers
- Sports decoders
- Media players
to multiple displays over RF infrastructure.
Government Facilities
Suitable for:
- Public information channels
- Emergency notification systems
- Internal communication networks
Residential Communities
Enable community television systems with:
- Local content channels
- Security camera channels
- Information broadcasting
Cruise Ships and Marine Applications
Reliable onboard TV distribution for:
- Entertainment
- Navigation information
- Passenger announcements
Customization Options
We provide OEM and ODM customization services for distributors, broadcasters, and system integrators.
Available customization options include:
Hardware Customization
- 4 HDMI version
- 8 HDMI version
- Different RF standards
- Customized frequency plans
- Additional IP features
Software Customization
- Customized firmware
- Special OSD functions
- Language localization
- Custom web interface
Branding Services
- Private label production
- Custom logo printing
- Customized packaging
- User manual branding
System Integration
- Headend project support
- IPTV integration
- CATV integration
- Network design consultation
Frequently Asked Questions (अक्सर पूछे जाने वाले प्रश्न)
Q1: What does this encoder modulator do?
The device converts HDMI video sources into digital RF television channels and IP streams, allowing content distribution through coaxial cable networks and IPTV systems.
Q2: How many HDMI inputs are supported?
The standard model supports 4 HDMI inputs. An 8 HDMI version is also available.
Q3: Which RF standards are supported?
The unit supports:
- डीवीबी-टी
- डीवीबी-सी
- ISDB-T
- एटीएससी
- DTMB
depending on the selected model.
Q4: Can I distribute channels through both RF and IP simultaneously?
हाँ. The device supports simultaneous RF output and IP streaming output.
Q5: Does the unit support multicast streaming?
हाँ. UDP and RTP multicast transmission are supported.
Q6: Can I add my company logo to the video?
हाँ. The built-in OSD function supports:
- Logos
- QR codes
- Text overlays
- Watermarks
- Advertisements
- Emergency messages
क्यू 7: Is remote management available?
हाँ. The encoder modulator includes a web-based management platform for remote configuration and monitoring.
Q8: What video codec is used?
The device uses H.264 / MPEG-4 AVC video compression for high efficiency and excellent picture quality.
Q9: Can existing coaxial cable infrastructure be used?
हाँ. The system is specifically designed to work with existing RF distribution networks, minimizing installation costs.
Q10: Is this suitable for hotel TV systems?
Absolutely. This is one of the most common applications for the ISDBT2250 series, allowing hotels to create their own digital TV channel lineup and information channels.
Package Contents
- 1 × HDMI Encoder Modulator
- बिजली की आपूर्ति
- User Manual
- Network Configuration Guide
- Quality Inspection Certificate
Why Choose the ISDBT2250 Series?
The ISDBT2250 Series delivers an excellent balance of performance, विश्वसनीयता, and affordability. By integrating HDMI encoding, multiplexing, RF modulation, and IP streaming into a single platform, it significantly reduces system complexity and deployment costs while providing professional-grade digital television distribution.
Whether you are building a hotel TV system, hospital broadcasting network, educational television platform, or commercial CATV headend, the ISDBT2250 offers a scalable and future-ready solution for modern digital content delivery.
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