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Satellite TV Receivers
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
  • Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator
Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator

Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator

  • 1 - 99 Pieces
    $479
  • >= 100 Pieces
    $469
View product details

Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Multi-Format Signal Conversion: The Satlink ST-7990 converts HD AV signals (HDMI, CVBS) into DVB-T, DVB-C, and ISDB-T formats, enabling transmission over cable or satellite networks.
  • 4-Channel Modulation: Supports simultaneous processing of four independent video/audio streams, ideal for multi-channel broadcasting or distribution systems.
  • User-Friendly Interface: Features a color LCD screen and physical buttons for intuitive setup and real-time monitoring of signal status.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal body, you can ensure long-term durability in professional environments. ~30% more robust than plastic-bodied models*

  • 2. Interactive Design

    • With a color LCD touchscreen interface, you can easily monitor and adjust settings on-the-go. More intuitive than button-only interfaces*

  • 3. Performance Parameters

    • With 4 independent video/audio channels, you can transmit multiple signals simultaneously, boosting operational efficiency by up to 200% compared to single-channel devices*

  • 4. Scenario Solutions

    • Designed for 24/7 commercial broadcast systems, it maintains stable signal transmission in high-demand environments. Outperforms home-use models in continuous operation*

  • 5. Certification Standards

    • With multi-region plug compatibility (AU/UK/US/EU), it meets international electrical safety standards for global deployment. Reduces the need for adapters compared to region-specific models*

Product details

Satlink ST-7990 Color LCD Composite Video H.264 Encoder AV HD to DVB-T DVB-C ISDBT Encoder Modulator

The Satlink ST-7990 4 Route Modulator is a robust digital encoder designed to convert HDMI, composite video (CVBS), and audio signals into DVB-T, DVB-C, and ISDB-T formats for seamless transmission over cable or satellite systems. Built with a durable metal chassis and featuring a color LCD interface, it supports four independent video/audio channels, making it ideal for professional broadcast, multi-channel distribution, or commercial AV setups.

Technical specifications

FeatureSpecificationBenefit
Input/Output SupportHDMI, CVBS, audio inputs; RF outputFlexible connectivity for diverse devices
Modulation StandardsDVB-T, DVB-C, ISDB-TGlobal compatibility for broadcast systems
Channel Capacity4 independent video/audio channelsSimultaneous transmission of multiple signals
EncodingH.264 compressionHigh-quality, bandwidth-efficient streaming
User InterfaceColor LCD + physical buttonsIntuitive setup and real-time monitoring
Power Supply12V DC (universal plug options)Versatile global deployment

Customization guide

Adjustable input/output configurations allow users to tailor connections for specific signal types (e.g., HDMI for HD sources or CVBS for legacy systems). The device’s multi-region plug compatibility (AU/UK/US/EU) ensures seamless integration across global markets. For high-density setups, customize channel assignments to prioritize critical streams.

Get inspired

Whether deploying a multi-channel broadcast system or upgrading a commercial AV network, the ST-7990’s 4-channel modulation and H.264 encoding enable crisp HD transmission. Its rugged metal build and global standards support make it a reliable choice for studios, hotels, or public venues requiring scalable signal distribution.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Channel Capacity4 channels4 channels4 channels
Supported StandardsDVB-T, DVB-C+ISDB-T+DVB-S2, ATSC
Max Resolution1080i1080p4K UHD
Bitrate Stability20 Mbps+30% (26 Mbps)+50% (30 Mbps)*
Power EfficiencyStandardLow-power modeUltra-low power

Supplier's note

  1. Triple-Standard Compatibility: The Pro Model’s support for DVB-S2 and ATSC expands its reach to global satellite systems, enabling deployments in regions with diverse broadcast infrastructures.
  2. 4K UHD Encoding: With 4K resolution, the Pro Model delivers ultra-high-definition streaming—critical for modern digital signage or live event broadcasts.
  3. Enhanced Bitrate Stability: The Pro’s 30 Mbps bitrate ensures minimal lag in high-interference environments, outperforming industry benchmarks by 50%.

Version Selection Guide:

  • Base Model: Ideal for small-scale setups (e.g., local studios) needing DVB-T/C compatibility.
  • Advanced Model: Choose for markets requiring ISDB-T (e.g., Brazil/Japan) with improved 1080p resolution.
  • Pro Model: Opt for 4K UHD and multi-standard support in high-demand scenarios like sports venues or international broadcast networks.

Example Use Case: With the Pro Model’s 4K encoding and DVB-S2 compatibility, you can stream ultra-HD content to satellite dishes in remote areas, ensuring clarity even in signal-challenged regions.

Frequently asked questions

  • Which Satlink model is best for multi-channel video distribution in small businesses?

  • How do I clean and maintain the Satlink ST-7990’s ports to prevent signal issues?

  • Why is the metal build of the ST-7990 better than plastic modulators for commercial use?

  • Can the ST-7990 support custom input/output configurations for multi-signal setups?

  • Is the Satlink ST-7990 compatible with H.264 encoding for HD broadcast systems?

  • Does the ST-7990 come with international plug adapters for global use?

  • How does the 4-channel modulation feature benefit broadcast systems?

  • What certifications does the Satlink ST-7990 have for commercial reliability?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material & DurabilityCommercial installations (e.g., broadcast centers)Industry Standard: Plastic chassis (ASTM D638)Our Base: Metal chassis (IEC 60068 durability test passed) ▲ (2x stronger)Disadvantage: Slightly heavier than plastic alternatives
Multi-Channel SupportMulti-stream broadcast systemsIndustry Standard: 2 channelsOur Base: 4 independent video/audio channels (▲2x capacity)Disadvantage: Higher cost vs single-channel devices
Signal ConversionMixed-signal environments (HDMI/CVBS)Industry Standard: 2 signal types (e.g., HDMI only)Our Base: Converts 3+ types (HDMI, CVBS, audio) (ISO 13818-1 compliant) ▲Disadvantage: Requires technical setup knowledge
Global Plug CompatibilityInternational deploymentsIndustry Standard: 1-2 plug types (e.g., EU-only)Our Base: 4 plug types (AU/UK/US/EU) (IEC 60884 compliant) ▲Disadvantage: More complex wiring configurations
User InterfaceUser-configured setupsIndustry Standard: Basic LED indicatorsOur Base: Color LCD + intuitive controls (▲Enhanced from monochrome)Disadvantage: Higher component cost
RF Output StandardsMulti-standard transmission networksIndustry Standard: Single DVB-T supportOur Base: Triple DVB/ISDB-T compatibility (▲Expands coverage)Disadvantage: Requires regulatory compliance checks

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