1-4 HDMI to DVB-T digital Modulators and IPTV Streaming Encoders 1080p/60

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Description Features Drawings Model Selection Specification Q&A Documents Support

1- 4 HDMI to COAX, Digital modulator HD 720p/1080i/1080p CATV Modulator:  DVB-T 

Broadcast over your existing Coaxial Cabling to an unlimited number of Televisions with FULL HD
Broadcast Live HDMI Video & ASI as Cable TV & IPTV Channels.


Thor Broadcast HDMI-DVBT-IP & HDMI-DVBT-IPLL Product Lines

 Digital HDTV channels are simple to distribute over coax and are visible on any TV without needing video adapters or set top boxes.  Thor HDMI to DVB-T modulators are combination devices that bundle real time HD hardware encoders with a managed program stream multiplexer and agile RF QPSK modulator.  Each chassis can encode up to 4 channels of HDMI video to MPEG-2 or H.264 and modulate the programs on up to 4 DVB-T carrier outputs.  In addition to the encoded programs, the unit can also modulate programs encoded externally via an ASI input.  This platform is most commonly used by large organizations or broadcasters that own SDI matrix routers.  This platform is ideal for corporate MATV systems or in house HD video distribution from SDI sources.  This platform is not recommend for broadcast headend signal origination due to lack of 708 closed captioning support.  For broadcasters requiring government  mandated 708 captioning and Dolby AC/3 audio please contact a sales representative.

Digital Video Broadcast: Terestrial DVB-T Modulation Standard

The DVB-T standard is the worlds most widely adopted radio frequency modulation standard for digital video broadcast over terrestrial systems.  This standard is used throughout the world for both cable and over the air digital video broadcast systems.  The standard was first used in the United Kingdom, and has since gained in acceptance in over 90 worldwide countries.  This standard supports the original DVB-T modulation protocols for both QPSK and QAM16/64.  This chassis outputs either 2 or 4 adjacent RF carriers and can distribute programing anywhere between those channels.  The unit also supports ingestion of externally encoded programing via the ASI input.  The ASI input can be parsed for up to 120 Mbps of incoming programing based on model hardware and software selection.

HDMI-QAM-IP: Modulator Chassis with HDMI Encoder Cards

The HDMI video standard is commonly found in consumer and profesional devices all over the world.  It is a versitile connector with many parallel lines for bi-directional communication.  The latest standards support full rate HD video at 1080p60 with new standards being released to support ultra high resolution 4K video.  Thor encoder cards support any HDMI input from any device that provides HD video output in standard HDTV resolutions and aspect ratios.

DVBT-IPLL: Low Latency Encoding Option

Unit model numbers that include "LL" indicate that model includes Thor’s low latency encoding option.  This new feature reduces the time delay between video input and encoded program output by more than 10 times.  Standard model encoder modulator chassis systems typically have an encoding latency of 700-1200 ms depending on encoding parameters and output configurations.  For many applications, adding approximately 1 second latency doesn’t make a difference.  For other applications, such as live events; 1 second delay is very noticeable and prevents modulation from being used in distribution systems.  The solution to live video broadcast applications is the Low Latency upgrade option for the encoders.  IPLL models typically have an encoding latency of approximately 70-110ms, making them suitable for distribution of live video events.  Contact a Thor sales representative today for more information on encoding latency.

Encoder Card Compatibility between Modulator Chassis

Thor HDMI-DVBT-IP line of encoder modulators are designed for high quality distribution of broadcast quality video over coax cable.  These systems are available in many configurations for a wide range of applications.  This page covers models for a specific input video type combined with a modulator chassis programed for a specific output format.  It is important to note that encoder card types can usually be combined with encoder cards for other video types.  For custom model configurations please contact Thor directly for pricing and availability.  While most firmware for Thor modulator chassis is inter-compatible; not all hardware will work with all software.  Thor representatives are available for free design and consultation service.  If you have any questions or concerns about a Thor system, contact a representative directly at 1-800-521-8467.

  • Conversions : HDMI to RF DVB-T , HDMI to IP, HDMI to ASI
  • Any 1-4 HDMI Input up to 720p/1080i/1080p60
  • Licensed HDMI inputs
  • 1-4 CATV RF Output up to 4 Adjacent channels
  • QPSK QAM-16/26 RF Out up to 4 Adjacent
  • Fully IP control and Network Management through browser
  • Front Panel LCD local control   
  • IPTV Output Unicast or Multicast IGMP UDP,RTP/RTSP
  • ASI Output with multiplexer cherry picking
  • Low Latency available  Low Latency available 300/500/800ms delay via different modes - IP will always be closer to 800ms due to the decoding (these values are end to end, not just the encoding speed)
  • AC3 Audio available (AC3 model)
  • MPEG2 Video or MPEG4 H.264 Encoding
  • Firmware for ATSC, DVB-T, DVB-S2 Available
  • 2  slot design – Other Video Inputs cards available –Hot swappable - SDI Card, YpbPr Card.
  • 5 Years warranty
  • Any HDMI Input up to Full HD @1080p60
  • ASI Input SPTS or MPTS up to 120 Mbps
  • Integrates fully independent encoders with a multiplexer and modulator
  • Modulates up to 4 adjacent QPSK, QAM-16/64 carriers with up to 28 Mbps each
  • Supports full HD 1080p60 input & encoding from any HDMI digital video source
  • Each encoder independently configured: supports all standard HDTV resolutions
  • IPTV output on second network port in UDP IGMP Multicast or Unicast format
  • DVB-ASI output on mirrored BNC terminals for use in broadcasting systems
  • Fully network managed device with all settings configurable through web browser
Model Selection

Available Models

Input Configuration


  • H-1HDMI-DVBT-IP               


  • H-1HDMI-ISDB-T-IPLL (ISDB-T Modulation )

1x HDMI 1080p60

Low Latency available 300/500/800ms delay via different modes 


  • H-2HDMI-ISDB-T-IPLL (ISDB-T Modulation )

2x HDMI 1080p60 (+2x Fall Over)

Low Latency available 300/500/800ms delay via different modes 


  • H-4HDMI-ISDB-T-IPLL (ISDB-T Modulation )

4x HDMI 1080p60

Low Latency available 300/500/800ms delay via different modes 


*All Specifiactions Subject to Change Without Notice


HDMI 1.5a up to 1080P60

Supported Resolutions

1280x720P 60 / 59.94 / 50 Hz

1920x1080I 60 / 59.94 / 50 Hz

H.264 Codec ONLY

1920x1080P 60 / 59.94 / 50 Hz

Video Codecs

MPEG-2 HD 1.5-19.5 Mbps

H.264 HD 0.8-19.5 Mbps

Audio Codecs

MPEG-1 Layer II



Audio Sample Rate

48 kHz

Audio Bit Rates

64 kbps, 96 kbps, 128 kbps, 192 kbps, 256 kbps, 320 kbps

Modulation Standard

QPSK, QAM-16/64

RF Frequency Range

30-960 MHz 1 KHz Step

RF Power Level

5 - 35 dBmV Adjustable

DVB-ASI Output

BNC Connector: 1-60 Mbps


BNC Connector: 1-120 Mbps

Programs Selected by PID

Programs Muxed to all Outputs

IPTV Output


Unicast and Multicast Supported

Power Input

100-240 VAC Auto Switching

~ 20 W


482 x 300 x 44 mm


4.5 kg

Operating Temperature

0 - 45 C

Question and Answers
You are correct. As the system is sold by us most frequently here in North America where the standard is ATSC/QAM - we utilize 60hz; we can take the same unit and load modulation standard DVB-T2 for our European customers where the standard is 50hz. So this encoder will work perfectly for you.
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