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Description Features Drawings Video Model Selection Specification Q&A Documents Support
IPTV to 8 ISDBT model description
IPTV TS's Input to 8 ISDBT modulated channels output

IP to 8 or 16 or 32 QAM CATV RF or ATSC Agile Edge Modulator

H-IPRF-32QAM  IP to 32 RF Agile QAM Edge Modulator

H-IPRF-16QAM  IP to 16 RF Agile QAM Edge Modulator

H-IPRF-16ATSC  IP to 16 RF Agile ATSC Edge Modulator

H-IPRF-8ATSC  IP to 8 RF Agile ATSC Edge Modulator

H-IPRF-16DVBT  IP to 16 RF Agile DVB-T Edge Modulator

H-IPRF-8DVBT  IP to 8 RF Agile DVB-T Edge Modulator


QAM modulator for IPTV backbone to Clear QAM RF

Thor Broadcast model H-IPTV-16QAM will modulate IPTV transport streams to Clear-QAM RF channels for DVB-C applications

The H-IPTV-16 QAM modulator is a simple all-in-one utility device to convert up to 1024 IP Transport Streams in UDP / RTP into 16 non-adjacent QAM Channels. This Thor Broadcast high-density IP to QAM modulator is designed to take content delivered via an IP backbone or CDN system and modulate the programming onto digital QAM cable channels for distribution over coax. This product includes a 1RU chassis supporting two individual Ethernet inputs injecting up to 840Mbps on each Ethernet RJ45 connector outputs all programming onto a single RF F-Type connector for easy output into your RF Coax infrastructure. This single RU form factor allows you create your own IPTV to RF headend in a single chassis. All QAM Channels and IP inputs are managed from the easy to use NMS RJ45 port connection on the front of the unit allowing you to quickly and easily access your programming from Thor’s easy to read GUI that can be accessed from anywhere on your network. The IPTV programming input is standard headend format, meaning basic UDP / RTP unicast/multicast IGMP v2 / v3 addresses and port format. This impressive density allows a single chassis to convert an IPTV Ethernet backbone feed to be converted to a full lineup of digital cable DVB-C channels for easy distribution. 


In Addition to high-density IPTV-QAM modulators for any application, Thor also Specializes in Hybrid Fiber Coax (HFC) and Fiber to the Home (FTTH) equipment and system design. Thor’s full turnkey solution product line even extends to headend encoding platforms with the goal of being the only equipment provider you will ever need. A full staff of trained application engineers is available to answer any questions you might have and to recommend solutions available that you're not aware of. Contact a sales representative today if you would like more information on receiving a free consultation and system design.


Thor part number H-IPTV-QAM systems are specifically designed to utilize bandwidth to the incoming IP Transport Streams and reallocating that bandwidth on the RF QAM frequencies. The amount of programs that you are able to inject into the QAM systems is only limited by the bandwidth provided. Essentially you can create a lower amount of HD (High Definition) programming or an extensive amount of SD (Standard Definition) programming. This can even trasnport IPTV 4K streams and convert them to QAM cable channels. The 16 non-adjacent QAM channels are uniquely setup in the NMS so you can place them in any QAM headend that will allow programming to be set and configured in any channel lineup. With auto or manual PID remapping functionality, you’ll be able to set exactly the channel configuration of your choice allowing added flexibility to the customization of your channels. Maximizing these Gigabit Ethernet ports will allow input up to 840mb/s each producing 16 QAM Channels. Creating your own custom headend has never been easier using Thor Broadcasts newest IPTV to-QAM CATV headend in a box. Please call a sales associate now for more information or send an inquiry using our Thor Dash button.

Carrier Setting 


Principle Chart


 NMS Setup WEB Page GUI:  Frequency setup page in Thor IP to QAM Edge modulator  



NMS Setup WEB Page GUI: IP multicast Input to setup page IP to QAM Edge Modulator settings.




NMS Setup WEB Page GUI : IP streams multicast Input details page IP to QAM Edge Modulator 


  • IPTV Modulator includes 2x Gigabit Ethernet input interfaces
  • 16 Clear QAM Channel Outputs - Non-Adjacent 50-960Mhz
  • Maximum 1024 Channels TS over UDP, RTP & Unicast / Multicast
  • Output Of RF on 16 Multiplexed, Scrambled, or QAM (DVB-C) Channels 
  • Gigabit Ethernet is serviced by SFP interface
  • Supports Unicast and Multicast, supports IGMP v2 / v3
  • Max 840Mbps for each GE Input
  • Supports Up to 180 PIDs per channel with PID remapping (manual or auto)
  • Web NMS (Network Management Software) for easy online access and management
How to convert IPTV Video steams to Cable TV channels - IPTV to CATV QAM , IPTV to coax converter
So in today's episode, we're using a 4 Channel HDMI encoder modulator H-4ADHD unit that is creating several IP streams from HDMI sources. Those sources Roku, Firestick, and BluRay are then sent via RJ45 through a switch which then goes from IPTV streams, converted back to RF QAM using an EDGE QAM Modulator. This is ideal for campus-like environments that can use one headend to distribute IPTV channels to numerous buildings, and then break back out to COAX via QAM Modulation. High-density output means a single 1RU 32QAM output device, can let you put quite a few streams into the coax existing infrastructure without the use of Set-Top Boxes. links to the devices : 4channel HDMI IP encoder and QAM modulator : https://thorbroadcast.com/product/4-hdmi-component-hd-to-coax-and-iptv-hd-8230.html/21 4 channel SDI IPTV encoder and QAM modulator https://thorbroadcast.com/product/1-4-sdi-to-qam-modulators-and-iptv-streaming-encoders.html/0 Edge Modulator - IPTV streams to QAM modulator https://thorbroadcast.com/product/iptv-to-16-32-clear-channel-rf-qam-atsc-modulator.html/122
Model Selection

H-IPRF-32QAM  IP to 32 RF Agile QAM Edge Modulator

H-IPRF-16QAM  IP to 16 RF Agile QAM Edge Modulator

H-IPRF-16ATSC  IP to 16 RF Agile ATSC Edge Modulator

H-IPRF-8ATSC  IP to 8 RF Agile ATSC Edge Modulator

H-IPRF-16DVBT  IP to 16 RF Agile DVB-T Edge Modulator

H-IPRF-8DVBT  IP to 8 RF Agile DVB-T Edge Modulator




512 × 2 IP inputs, 2x 100 / 1000M Ethernet port (SFP)

Transport Protocol

TS over UDP / RTP unicast and multicast, IGMP V2 / V3

Transmission Rate

Max 840Mbps for each input GE


Channel input


Output Channel


max PIDs

180 per channel


PID remapping (auto / manually optional)

PCR accurate adjusting

PSI / SI table Automatically generating



Max simulscrypt CA


Scramble Standard

ETR289, ETSI 101 197, ETSI 103 197


Local / remote connection



QAM Channel

16 non-adjacent carriers

Modulation Standard

EN300 429 / ITU-T J.83A / B

symbol Rate

5.0 ~ 7.0Msps, stepping 1ksps


16, 32, 64, 128, 256QAM


RS (204, 188)

RF Output


1 F-type output for 16 carriers, 75Ω impedance

RF Range

50 ~ 960MHz, stepping 1kHz

Output Level

-20dBm ~ + 10dBm (~ 87 117dbμV), 0.1dB stepping


≥ 40dB


-60 dBc

TS output

16 IP output over UDP / RTP / RTSP, unicast / multicast, 2 x 100 / 1000M Ethernet Ports


Network management software (NMS) 



420mm × 440mm × 44.5mm (WxLxH)




0 ~ 45°C  (Operation) -20 ~ 80°C  (Storage)

Power Supply

AC 100V ± 10%, 50 / 60Hz or 220V AC ± 10%, 50 / 60Hz



Question and Answers
Yes our reseller in the UK is Jigsaw24, they will be able to quote you on anything you need. If you would like to purchase direct please let me know.
The DVBT standard has a wider step in Mhz then ATSC /or QAM. So if you need DVBT the 16QAM unit will only output 8DVBT and 32QAM unit will only output 16DVBT. So essentially because of that modulation standard, the amount of channels we can output is cut in half.
Do you need IP to Analog RF NTSC/PAL modulated output? Can you accept Digital RF QAM/ATSC/DVB-T output? What country are you from, we will check your CATV RF modulation standard If you need Analog RF output than we would need to use the IP to CVBS decoder than Analog Modulator with CVBS Input. https://thorbroadcast.com/product/8-ip-to-8-analog-video-audio-cvbs-out.html
This IP to QAM modulator unit supports unicast/multicast UDP and RTP Input IP TS streams only. Please check if those cameras have that format available, if not You can use our IP STB (set-top boxes) to decode your stress to HDMI Video format, this is a: https://thorbroadcast.com/product/compact-ip-decoder-set-top-box.html Now the HDMI QAM from the STBs connect to our 8Ch QAM/ATSC modulator to modulate and create 8 individual digital channels with the HD resolution up to 1080p https://thorbroadcast.com/product/1-8-hdmi-digital-rf-modulator-cc-closed-captioning.html If the cameras have HDMI outputs you could connect the output directly to the modulator, eliminating the need of the STB. Some cameras have other Video outputs like Analog Video CVBS or HD/SD- SDI, we have other modulators with those video format inputs
What modulation will you need QAM or ATSC, the unit support only one of them? For hotel application QAM is better to format, you can fit more videos too. How many IP TS's do you need to modulate? Please note that 1 QAM channel contain 38Mbps data, the 1 ATSC channel contains 19Mbps data, so the amount of the programs we can fit in 1 Channel depends on the encoding TS video data rate. For example, if your TS datarate is 8mbps, then you can fit 4 Videos on the 1 QAM frequency or 2 videos on 1 ATSC frequency because of the 38mbps limit for QAM. Please let me know if this is clear.
Yes, this is what that equipment was designed for. It will output 32QAM Channels; if you need more then that you just purchase additional units. However you can also put multiple programs in a single QAM, that is determined by the data rate of each IP. For the RF over Fiber application, we have an entire catalog of units to get the project done correctly. https://thorbroadcast.com/products/cable-tv-catv-rf-45-900mhz What is the approximate distance of the fiber, or the optical loss of the line?
The H-IPRF-16/32 accepts a clear IP stream to CLEAR QAM, so the Vertimax needs to stripped off.
The unit is transparent, it works as a gateway, so whatever format is coming on the IP, it will be situated on the QAM.
You can also mux multiple TS programs on the single carrier, up to 28Mbps per channel, so for example if your streams are encoded at 8Mbps, you can fit 4 of them, For example, ch 2.1, 2.2, 2.3, 2.4
We do have options for both. The QAM models are in stock; we have 16 and 32 channel outputs available. 
So, you can use 2 units, and then use a simple 2x1 RF combiner and the output of the combiner will have all 64 channels. 

User's Manual is avalible only for logged users.
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Scrambling QAM/ATSC modulator for IP edge QAM applications. Each module supports up to 256 individual SPTS or 8 MPTS IP Transport Streams and 8 outputs. Encrypted or Clear QAM RF frequencies in two groups of 4 adjacent channels. Chassis with 3 modules will input 24 IPTV streams and output a total of 24 QAM HD Channels


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