4 Channel HDMI Encoder Modulator DVB-T ISDB-T DVB-C ATSC | HDMI to RF Digital TV Headend

4 Channel HDMI Encoder Modulator DVB-T ISDB-T DVB-C ATSC | HDMI to RF Digital TV Headend

Visão geral

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, modulação, and IP streaming functions into a single compact device.

Apoio 4 HDMI inputs (opcional 8 HDMI version available), the unit converts HDMI video sources such as satellite receivers, reprodutores de mídia, Caixas de ajuste, sistemas de vigilância, computers, and digital signage players into RF digital television channels compliant with DVB-T, DVB-C, ISDB-T, ATSC, 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, legendas, 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, hospitais, educational campuses, sports venues, government facilities, residential communities, cruise ships, correctional institutions, and corporate environments where reliable digital television distribution is required.

Recursos

Multi-Channel HDMI Encoding

• Apoia 4 Entradas HDMI como padrão
• Opcional 8 Versão de entrada HDMI disponível
• Codificação simultânea de múltiplas fontes de vídeo HD
• Compressão de vídeo H.264/MPEG-4 AVC em tempo real
• Processamento de baixa latência

Vários padrões de TV digital

Os padrões de saída de RF selecionáveis ​​incluem:

• DVB-T
• DVB-C
• ISDB-T
• ATSC
• DTMB

Esta flexibilidade permite a implantação em diferentes países e regiões sem alterar as plataformas de hardware.

Quatro saídas de portadora RF

• Apoia 4 canais RF independentes
• Alocação de frequência flexível
• Gestão eficiente de canais
• Adequado para sistemas de distribuição de TV de médio porte

Transmissão IP Gigabit

• 1 x Interface Ethernet Gigabit
• Suporte de entrada e saída IP
• Suporte ao protocolo UDP
• Suporte ao protocolo RTP
• Transmissão multicast
• Saída MPTS
• Saída SPTS

Inserção avançada de OSD

Suporta conteúdo de sobreposição personalizado, incluindo:

• Logotipos corporativos
• Marca do hotel
• QR codes
• Texto de rolagem
• Anúncios de emergência
• Gráficos promocionais
• Identificação do canal
• Marcas d'água

Operação amigável

• 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.

Especificações

Entrada de vídeo

Parâmetro	Especificação
HDMI Inputs	4 Canais (Opcional 8 Canais)
Conector de entrada	HDMI
Resolução de entrada	1920×1080P
Resolução de entrada	1920×1080i
Resolução de entrada	1280×720P
Resolução de entrada	720×576i
Resolução de entrada	720×480i
Taxa de quadros	50Hz / 59.94Hz

Codificação de Vídeo

Parâmetro	Especificação
Codec de Vídeo	MPEG-4 AVC / H.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

Codificação de Áudio

Parâmetro	Especificação
Codec de áudio	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

Parâmetro	Especificação
RF Channels	4 Independent Carriers
Modulation Standards	DVB-T / DVB-C / ISDB-T / ATSC / DTMB
Frequency Configuration	Ajustável
Output Type	Digital RF Television Signal

ASI Interface

Parâmetro	Especificação
Saída ASI	2 Canais
Fluxo de Transporte	MPEGTS

Transmissão IP

Parâmetro	Especificação
Interface Ethernet	1 ×Gigabit RJ45
Protocolo	UDP
Protocolo	RTP
Modo de saída	MPTS
Modo de saída	SPTS
Suporte multicast	sim

Gestão

Parâmetro	Especificação
Visor LCD	sim
Teclas do painel frontal	sim
Gerenciamento Web	sim
Configuração remota	sim
Atualização on-line	sim

Formulários

Hotéis e resorts

Distribuir TV via satélite, canais promocionais, canais de informação, e conteúdo de entretenimento para os quartos através de redes de cabo coaxial existentes.

Benefícios:

• Custos de infraestrutura mais baixos
• Gerenciamento centralizado de canais
• Marca do hotel através do OSD
• Transmissão de informações aos convidados

Hospitais

Ofereça programas educacionais, informações de saúde, canais de entretenimento, e anúncios hospitalares para quartos de pacientes.

Benefícios:

• Controle central de conteúdo
• Distribuição de sinal confiável
• Transmissão de informações de emergência

Instituições Educacionais

Ideal para:

• Universidades
• Faculdades
• Escolas
• Centros de treinamento

As aplicações incluem:

• Televisão universitária
• Ensino à distância
• Transmissão de palestras
• Canais de informação

Edifícios Corporativos

Fornecer:

• Comunicações corporativas
• Canais de treinamento interno
• 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

Adequado para:

• 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

Opções de personalização

We provide OEM and ODM customization services for distributors, emissoras, 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

Integração de Sistemas

• Headend project support
• IPTV integration
• CATV integration
• Network design consultation

Perguntas frequentes (Perguntas frequentes)

T1: 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.

2º trimestre: How many HDMI inputs are supported?

The standard model supports 4 HDMI inputs. Um 8 HDMI version is also available.

3º T: Which RF standards are supported?

The unit supports:

• DVB-T
• DVB-C
• ISDB-T
• ATSC
• DTMB

depending on the selected model.

4º trimestre: Can I distribute channels through both RF and IP simultaneously?

sim. The device supports simultaneous RF output and IP streaming output.

Q5: Does the unit support multicast streaming?

sim. UDP and RTP multicast transmission are supported.

Q6: Can I add my company logo to the video?

sim. The built-in OSD function supports:

• Logos
• QR codes
• Text overlays
• Marcas d'água
• Advertisements
• Emergency messages

Q7: Is remote management available?

sim. 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?

sim. The system is specifically designed to work with existing RF distribution networks, minimizing installation costs.

Q10: Is this suitable for hotel TV systems?

Absolutamente. 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
• Fonte de energia
• Manual do usuário
• Network Configuration Guide
• Quality Inspection Certificate

Why Choose the ISDBT2250 Series?

The ISDBT2250 Series delivers an excellent balance of performance, confiabilidade, 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.