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  3. HDMI Modulator | QAM RF Coax Output - Full HD up to 1080P - 1,4,8 Channel
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HDMI Modulator | QAM RF Coax Output - Full HD up to 1080P - 1,4,8 Channel 12 HDMI

1 HDMI2 HDMI +IPTV4 HDMI8 HDMI12 HDMI
Model: H-Thunder-12
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Disponibilidad: En stock Condición: nuevo QR Code HDMI Modulator | QAM RF Coax Output  - Full HD up to 1080P - 1,4,8 Channel
Envío: a partir de $0.00 Garantía: 2Yrs
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This model is not available for sale at the moment. You can buy the following models:
  • 1 HDMI
  • 2 HDMI +IPTV
  • 4 HDMI
  • 8 HDMI
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12 HDMI descripcion del modelo
The Thor Broadcast H-Thunder-12 is a compact 12-channel HDMI encoder modulator that converts up to 12 HDMI sources into digital RF signals (ATSC or QAM) for distribution over coax. It supports Full HD resolutions, MPEG-2 encoding, and multiplexes 12 inputs into 4 RF frequencies (3 programs per frequency), making it ideal for efficient CATV, hospitality, or digital signage applications. Setup is easy via LCD, Ethernet NMS, or wizard mode.

Descripción

H- THUNDER- Supports up to 8 HDMI inputs and its modular design (maximum 8 HDMI inputs) and flexible configuration makes it scalable and very reliable while providing high performance.

The signal source could be from any STB, satellite receiver, closed-circuit television camera, antenna, etc. Its output signal is designed to work with any TV or STB. Because it comes standard with every RF modulation standard built in, this device can work anywhere in the world in a plug-and-play format.

This unit is similar to our popular line H-1,2,4 HDMI-QAM-IPLL product line, but it has some differences. It is a less expensive unit; each program is modulated on its own frequency, CATV RF output only, with no IPTV output

The 8-channel model has 8 HDMI / CVBS -baseband video inputs that can be selected from the menu, so support any HD HDMI source or any analog CVBS source like analog video cameras.

This input can also be used as input for Closed Captioning generated from video devices like DVD players or Cable STBs on CVBS output CC 21

 

  H- THUNDER -XX

H-HDMI-QAM-IPLL OR

H-4ADHD-QAM-IPLL

Number of Inputs 1,4,8 1,2,4
Number of CATV frequencies (carriers) 1,4,8 - Each video has its own channel 4
Modulation QAM, ATSC, DVB-T, ISDB-T in the same unit -pre-loaded & switchable QAM, ATSC, DVB-T, ISDB-T Firmware dependent
Can modulate multiple programs on the same frequency - carrier

No,

each program needs to be modulated on a separate frequency

Yes,

multiple programs can be modulated on the same frequency, for example 2.1, 2.2, 2.3, 2.4

Encoding method MPEG2 only MPEG2 or H.264 - selectable
Dolby Audio Encoding Yes Yes
NMS YES YES
Front Panel Control YES YES
IPTV Output NO YES

 

 

Tags: 4 Channel HDMI Modulators ATSC Encoder Digital TV Modulator HDMI over COAX

Caracteristicas

Thor H-Thunder-12: 12-Channel HDMI to RF QAM/ATSC Modulator for Coax Distribution

H-Thunder-12 is part of the acclaimed Thunder series of modulators, designed for professional-grade video distribution in environments like hotels, sports bars, educational facilities, and broadcast setups. This rack-mountable unit features 12 HDMI inputs, supporting resolutions up to 1080p30 (with inputs handling 480i to 1080p60) and bit rates of 6-15 Mbps (default 9 Mbps) using MPEG-2 video encoding. Audio options include MPEG-1 Layer 2, AAC, or AC3, with sampling rates of 44.1 kHz or 48 kHz.

Unlike other Thunder models that may output individual frequencies per channel, the H-Thunder-12 optimizes bandwidth by generating only 4 RF output frequencies (50-950 MHz range, 1 kHz step, 100 dBµV level with 30 dB attenuation), multiplexing 3 transport streams (TS) per frequency for a total of 12 programs. It supports ATSC (8VSB constellation) and QAM J.83B (64QAM/256QAM) standards, with a typical MER of 35 dB for clean signal quality.

Front-panel controls include an LCD display, buttons for navigation, and status LEDs (dual-color for HDMI sources: green for connected, blue for no source; green for RF active; blue for LAN connected). Rear connections feature 12 HDMI inputs, RF output, a LAN port for NMS, and AC power (100-240V 50/60Hz).

Configuration is user-friendly via Ethernet-based NMS (default IP: 192.168.0.188, admin/admin), with a dashboard showing channel/program status, bitrates, and resolutions. Broadcast settings offer per-channel tweaks or a wizard for quick setup: select the standard (ATSC/QAM), frequency, and apply—the system auto-arranges channels and muxes programs. Additional features include password changes, IP modification, firmware upgrades via Ethernet, factory reset, and reboot.

Weighing 2800g and sized at 484x300x44mm, it's built for reliable 24/7 operation. This model stands out in the Thunder family for its efficient multiplexing, reducing RF channels while maintaining high-quality output, perfect for cost-effective multi-channel distribution over existing coax infrastructure.

Dibujos


Application Examples

Hybrid RF CATV Electrical and Optical Distribution Application Drawing



Vídeo

Product Video
Economical 4 HDMI Digital Modulator RF CATV over Coax QAM ATSC DVB T ISDBT Included Thor B
This video shows some of the detailed functionality of the new Thor 4 channel digital modulator in full HD. The Thor Thunder-4 modulator is the easiest way to distribute HD content to an unlimited amount of TV's or monitors using an existing coaxial RF network. This modulator is unique because it can produce 4 separate CATV channels in any RF modulation format simultaneously, those channels can be set individually and do not have to be adjacent, so you can set it up on channels 10/21/32/45 without any issue. It supports ATSC, QAM Annex B and A, DVB-T, and ISDB-T. One modulator can distribute Video to unlimited TV's using RF amplifiers, taps, splitters etc so long as your RF network supports it. The Thunder-4 is HDCP compliant and supports, VCT -Virtual channel numbers and names. Supports SD and HD video resolutions : 480i,720p,1080iand 1080p/60hz input resolution. By far the best value for a 4 channel modulator with accessible built-in options, warranty, and Thor Support to help make sure your project or application installation goes perfectly the first time. Link to detailed specifications : https://thorbroadcast.com/product/1-4-8-hdmi-digital-rf-encoder-modulator-full-hd-up-8230.html/238
Product Video
Unboxing HDMI modulator HD 4 Video Audio to Coax up to 1080p QAM, ATSC, DVB-T ISDB-T ANNEX B A
The best 4 channel HDMI modulator. This video describes the most cost-effective solution for 4 channel HDMI modulator H-THUNDER-4 Made by Thor Broadcast in Torrance California. Unit works as a 4 channel HDMI encoder modulator, contains 4 independent HDMI inputs, and coax CATV RF output. It supports 5 different modulation standards DVB-C QAM Annex A and Annex B, QAM 256 and QAM 64, ATSC, DVB-T, ISDB-T. Any of the 4 channels can be set separately and it could be spread out across 54 to 1000Mhz. The VCT - Virtual channel number supported as well. This is link to the specifications : https://thorbroadcast.com/product/1-4-or-8-hdmi-digital-rf-encoder-modulator-8230.html/238
Product Video
8 HDMI Sources To 1 Cable | Thor Broadcast Thunder 8 RF Encoder Modulator
1, 4, or 8 HDMI Digital RF Encoder Modulator - Full HD up to 1080P Thor 8 HDMI Digital RF Modulator CC is an all-in-one device integrating MPEG2 encoding and modulating to convert audio video signals into DVB-C T ATSC ISDB-T RF out. https://thorbroadcast.com/products/hdmi 0:00 Unboxing Intro 1:25 Front pannel IP adress set up 2:46 Video Sources 3:37 Splitter 4:02 Hdmi Ports and Video Sources 4:32 Thor Brodcast Website 5:19 How to access the web interface with a browser 6:04 Encoder & Modulator settings 8:07 Status 9:00 Encode 10:16 Network Settings 10:34 Password 10:50 Update firmware 11:22 The Encoder will auto detect your source resolution (720p 1080P etc) 12:01 How to change the name of a Channel 12:21 Tuning the ATSC channels with a HD Home Run Tuner If these Videos help you please consider supporting my work https://www.paypal.com/donate/?cmd=_s-xclick&hosted_button_id=4CRW8P29AA6PY https://www.patreon.com/RobbieStrike Learn about Satellite and other things by sitting back and binging on these playlists https://www.youtube.com/user/ottawaoctane/playlists https://www.youtube.com/user/ottawaoctane/videos https://www.facebook.com/RobbieStrikeVideos/ https://twitter.com/robbiestrike3 (c) Robbie Strike 2023 http://www.RobbieStrike.com www.FreeSatelliteTV.net my links https://flow.page/robbiestrike Thor Broadcast has sent me this product to review free of charge. But for most people they would be happy for home use the once channel unit like this the thor Petite https://www.youtube.com/watch?v=C17OgxnjLeo&pp=ygUTcm9iYmllIHN0cmlrZSB0aG9yIA%3D%3D There is a one channel device that does this. $495 https://ebay.us/U9Xcw9
Product Video
Quick configuration Guide for H-THUNDER-4 - 4 HDMI Digital RF Encoder Modulator- Full HD up to 1080P
Thor 4 HDMI Digital RF Modulator is an all-in-one device integrating MPEG2 encoding and modulating to convert audio video signals into DVB-C T ATSC ISDB-T RF out. H- THUNDER-4 Supports 4 HDMI inputs and its modular design (maximum 4 HDMI inputs) and flexible configuration makes it scalable and very reliable while providing high performance. The signal source could be from any STB, satellite receiver, closed-circuit television cameras, and antenna, etc. Its output signal is designed to work with any TV or STB. Because it comes standard with every RF modulation standard builtin, this device can work anywhere in the world in a plug and play format. This unit is similar to our popular line H-1,2,4 HDMI-QAM-IPLL product line, but it has some differences. It is a less expensive unit, each program is modulated on its own frequency, CATV RF output only, no IPTV output Features - 4 HDMI channels Inputs (model dependent) - HDCP compliant works with any HDMI source like DVD Player or Cable, Satellite STB up to 1080p/60 resolution - MPEG2 Video Encoding - 1080p/60, 1080i, 720p, 576i, 480i Video Resolution - Low Latency (50~100ms) - MPEG layer 2, AAC, and DD AC3 Audio Encoding - LCN - DVB-C DIGITAL QAM, ATSC, DVB-T, ISDB-T RF in one device, Modulation dynamic switching - Control Via Web-Based NMS, and easy updates Via Web - LCD Display and front panel control
Product Video
Quick configuration Guide for H-THUNDER-8 - 8 HDMI Digital RF Encoder Modulator- Full HD up to 1080P
Thor 8 HDMI Digital RF Modulator CC is an all-in-one device integrating MPEG2 encoding and modulating to convert audio video signals into DVB-C T ATSC ISDB-T RF out. H- THUNDER- Supports up to 8 HDMI inputs and its modular design (maximum 8 HDMI inputs) and flexible configuration makes it scalable and very reliable while providing high performance. The signal source could be from any STB, satellite receiver, closed-circuit television camera, and antenna, etc. Its output signal is designed to work with any TV or STB. Because it comes standard with every RF modulation standard built in, this device can work anywhere in the world in a plug-and-play format. This unit is similar to our popular line H-1,2,4 HDMI-QAM-IPLL product line, but it has some differences.It is a less expensive unit, each program is modulated on its own frequency, CATV RF output only, with no IPTV output The 8-channel model has 8 HDMI / CVBS -baseband video inputs that can be selected from the menu, so support any HD HDMI source or any analog CVBS source like Analog Video cameras. This Input can be also used as Input for Closed captioning generated from video devices like DVD players or Cable STB's on CVBS output CC 21 Features - 1-8 HDMI channels Inputs (model dependent) - 8 Ch CVBS input (H-Thunder-8 only) - HDCP compliant works with any HDMI source like DVD Player or Cable, Satellite STB up to 1080p/60 resolution - MPEG2 Video Encoding - 1080p/60, 1080i, 720p, 576i, 480i Video Resolution - Low Latency (50~100ms) - MPEG layer 2, AAC, and DD AC3 Audio Encoding - CC (Closed Caption), EIA 608 - LCN - DVB-C DIGITAL QAM, ATSC, DVB-T, ISDB-T RF in one device, Modulation dynamic switching - Control Via Web-Based NMS, and easy updates Via Web - LCD Display and front panel control

Selección de modelo

Unboxing New 4 Channel modulator H-THUNDER-4

Accessories & Upgrades

Especificación

Technical Specifications
Encoding Section - Video
Encoding MPEG2
Interface HDMI x 12
Resolution 480i, 576i, 720@50p, 720@60p, 1080@50i/p, 1080@60i/p
Bit Rate 6-15 Mbps (Default: 9 Mbps)
Input 480i, 576i, 720p, 1080i (Max. 1080p30 Output)
Encoding Section - Audio
Encoding MPEG-1 Layer2, AAC, AC3
Sample Rate 44.1 kHz, 48 kHz
Modulator Section
MER Minimum - 35 dB
RF Range 50~950 MHz, 1 kHz step
RF Output Level 100 dBµV (30 dB Attenuation)
RF Out Output 4 frequency points
Standard ATSC Constellation: 8VSB
QAM J.83B Constellation: 64QAM, 256QAM
System
Management LCD + Control buttons / Ethernet
Language English
Upgrade Ethernet
General
Power Supply AC 100-240V 50/60 Hz
Dimensions 484 × 300 × 44 mm
Weight 2800 g

Documentos

h-thunder-4-user-manual.pdf
thor-h-thunder-8-manual-2023.pdf
THOR H-Thunder-2 User Manual-12_2025 pdf (model: 2 HDMI +IPTV)
datasheet-h-thunder-1.pdf
datasheet-h-thunder-4.pdf
datasheet-h-thunder-8.pdf
Datasheet H-THUNDER-8 (model: 8 HDMI)
Datasheet H-THUNDER-4 (model: 4 HDMI)
Datasheet H-THUNDER-1 (model: 1 HDMI)
H-THUNDER-4 - QUICK SETUP GUIDE
H-THUNDER-8 - QUICK SETUP GUIDE
H-THUNDER-2 - QUICK SETUP GUIDE
thor-h-thunder-8-.pdf

HDMI Modulator | QAM RF Coax Output - Full HD up to 1080P - 1,4,8 Channel

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Convierte 1-4 HDMI digital entradas de vídeo Coaxial - CABLE Cable en estados unidos o formato DVB-C de Codificación: HDMPEG-2 o HD H. 264 arroyos. Salidas : RF en QAM-256 J. 83A/B/C & ASI & IP, UDP,RTP/RTSP, HD 720p/1080i/1080p

HDMI RF Modulator Chassis System 1-12 Units HDMI RF Modulator Chassis System 1-12 Units

The Thor Compact RF-PETIT Digital Modulator is already designed to be sleek and easily installed anywhere. To make life easier, Thor Broadcast also has a compatible rackmount kit that can be installed in a 19" 1RU rack for simplicity. This rack system provides horizontal racks that can quickly be mounted to any 1RU rack; the multi-unit sets already come with the rack mount hardware so you can attach the rack ears to the Petits and then fasten them to the horizontal bars in the rack. Easy to deploy and simple to set up, holes are pre-drilled in the units so you can get your units installed efficiently. This quick and easy installation process allows you to vertically mount up to 12 HDMI-RF-PETIT units in a rack with easy access to the inputs and outputs of the device.

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