SATLINK ST-6503 HD to DVB-T RF Encoder Modulator

The SATLINK ST-6503 is a high-performance, fully integrated HD to DVB-T encoder modulator designed for CATV distribution, self-produced programming, and professional digital TV broadcasting. Converting HDMI sources directly into a DVB-T RF channel, this compact unit delivers broadcast-grade COFDM modulation with H.264 encoding — making it the ideal solution for hotels, hospitals, stadiums, campuses, and cable headend operators who need reliable RF signal distribution.

Made in Mainland China.

Key Features

Converts HD source (720p / 1080p) directly to a DVB-T RF channel
Standard COFDM modulation with H.264 video encoding
Wide frequency range: 100–860 MHz
Selectable bandwidth: 6 / 7 / 8 MHz
Continuously adjustable RF output level: 70–100 dBµV (1 dBµV step)
Supports 2K and 8K carriers
16×2 LCD lattice display for easy monitoring
Multiple video format compatibility: 720p / 1080p
Compact, lightweight, and wall-mountable design
CE certified for international use
User-friendly setup and control interface
High level of integration with full-featured, all-in-one design

Technical Specifications

Parameter	Specification
Model	SATLINK ST-6503
Input	HDMI (HD source)
Output	DVB-T RF
Modulation	COFDM (DVB-T)
Encoding	H.264
Frequency Range	100–860 MHz
Bandwidth	6 / 7 / 8 MHz
RF Output Level	70–100 dBµV, step 1 dBµV
Carriers	2K / 8K
Video Formats	720p, 1080p
Display	16×2 LCD Lattice Screen
Certification	CE
Mounting	Wall Mountable

Who Is This For?

The ST-6503 is perfect for broadcasting professionals, CATV system operators, AV integrators, and facility managers who need to distribute HD video over existing coaxial cable infrastructure. Whether you're running a hotel TV system, an educational campus network, or a small cable headend, this modulator gives you broadcast-quality DVB-T output with minimal setup.

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Standards & Compliance Reference

For more information on digital television transmission standards and broadcasting regulations, visit the NIST Communications Technology Laboratory — the national authority on broadcast and communications technology standards.

Frequently Asked Questions

Q: What input does the SATLINK ST-6503 DVB-T encoder modulator accept?

A: The ST-6503 accepts a single HDMI HD source input (supporting 720p and 1080p video formats) and converts it into a DVB-T RF output channel for distribution over coaxial cable networks.

Q: What frequency range does the ST-6503 RF modulator support?

A: The SATLINK ST-6503 supports a wide frequency range of 100–860 MHz, with selectable bandwidth options of 6, 7, or 8 MHz to suit various regional DVB-T standards and CATV distributions.

Q: Can the ST-6503 be used for CATV and self-produced programming?

A: Yes. The ST-6503 is specifically designed for CATV headend operators and facilities that produce their own programming. It converts your local HD source into a standard DVB-T channel that can be distributed across an existing coaxial cable network to multiple TV sets.

Q: Is the SATLINK ST-6503 easy to install and operate?

A: Absolutely. The unit features a user-friendly setup interface, a 16×2 LCD display for at-a-glance monitoring, and a compact wall-mountable form factor — making installation and day-to-day operation straightforward even for non-specialist users.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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