IPTV to 32 RF channel Analog NTSC PAL Modulator

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Description Features Drawings Specification Q&A Documents Support

H-IP-32RF is an Analog NSTC /PAL analog modulator with IPTV input, works as s Digital IPTV streams to 32 analog channel modulator - gateway, it has two GB Ethernet ports for content IPTV SMPTS / MPTS TS's input that will convert up to 32 programs to standard NTSC or PAL or SECAM  modulated channels. Each port can handle up to 840 Mbps or 64 IP programs. H-IP-32RF supports H.265 HEVC, H.264, and MPEG2 transport stream encoded formats. The output is 32 programs on adjacent or non-adjacent carriers within a 400 MHz bandwidth between 47 and 862 MHz. It works as an IPTV decoder demodulator integrated with an analog modulator.


OSD (Logo and Caption) insertion, CC/Subtitle/Teletext

Program info modifies, multiple audio selection options   

2 GE ports (max 64 IP input over MPTS/SPTS), Max 840Mbps for each GE input

HEVC/H.265, H.264/AVC, MPEG-2 TS Decapsulation

Processing of up to 32 IP multicast groups of a Gigabit Ethernet MPEG TS into up to 32 standard PAL or NTSC

32 non-adjacent or adjacent carriers output within 400MHz

Web-based Network management




2 GE ports (max 64 IP input)

Max 840Mbps for each GE input


UDP, UDP / RTP, 1-7 packets, FEC, SPTS, MPTS

Transport Protocol

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

Packet Length

188 / 204 Bytes




HEVC/H.265, H.264/AVC Level 4.1 HP, MPEG-2 MP@HL


MPEG-1/2 Layer 1/2, (HE-)AAC, AC3 (Optional)


Teletext, Teletext subtitles, DVB Subtitling



1080@60P, 1080@60I, 1080@50P, 1080@50I, 720@60P, 720@50P


1080@60I, 1080@50P, 1080@50I, 1080@30P, 1080@25P, 720@60P, 720@50P, 576@50I, 480@60I


1080@60I, 1080@50I, 720@60P, 720@50P, 576@50I, 480@60I

Aspect ratio




Number of channels

Up to 32 non-adjacent or adjacent carriers output


75Ω, F-jack

Frequency range

47 – 862MHz, digital modulation process

Output Bandwidth


Output level

maximum 112dBμV

Return loss

≥ 14dB

Spurious frequency dist.

≥ 60dB

Stereo cross talk

> 55dB

Residual carrier accuracy


TV standard

PAL B/G/D/K/M/N, NTSC M/J/4.43

SECAM (under development)

Video-signal to noise ratio

≥ 60dB

Network Interface


1 x 100 Base-T Ethernet (RJ 45)


2 x 1000 Base-T Ethernet (RJ 45)


IEEE802.3 Ethernet, RTP, ARP, IPv4, TCP/UDP, HTTP, IGMPv2/v3


Image resolution

up to 1080i


60 dB (after internal combining)


> 53 dB (after internal combining)

Sampling frequency

48, 44.1, 32

Output volume adjustment

0 - 100 %



420mm×440mm×44.5mm (WxLxH)


0~45°C(operation), -20~80°C(storage)

Power Supply

AC100V±10%, 50/60Hz

or AC 220V±10%,50/60Hz



Question and Answers

From the picture it looks like you have analog Set Top Boxes from Shaw; all out going to PICO MACOM modulators, then leaving on Coax lines.
Does that sound right?

If you want to go to HD, you'll need to replace all the SHAW boxes to ones that output HDMI signals.
Those HDMI signals will need to go into HDMI Modulators; we have some like this

And you can leave the coax lines that go to each cabin alone; there might require some rebalancing of the system for the RF.

If you want to replace the SD for HD and then use encoders to convert to IPTV; you can do that but you'll need IPTV encoders + IPTV Set Top Boxes at each TV.md_24_channle_HDMI_IPTV_MPEG4_Encoder.png

Then each Television will get one of these little boxes with a remote; it essentially converts the streams of IP Ethernet, to a tangible signal like HDMI for your TV. 
Not to mention you'll need some IP switches as well, plus setup and then somebody who understands IP engineering to keep an eye on things. 
So there are several options here; but that really depends on how everything is wired; the facility layout and other metrics we can use to kind of gauge the best route of options. 
We have a very good solution to your problem. 
This is a link to our IP to PAL Analog modulator H-IP-32RF
Each device modulate up to 32 channels of PAL. 
These are easily stackable, so you can combine a lot of these models with a simple RF combiner. 
Based on your needs of 60/12/180 channels, you just need to purchase 2 or 4 or 6 models. That is up to you. 
2 )

it depends on the IPTV source and streaming protocols you are using.

If the streams are generated locally from the encoders as multicast UDP streams, then the H-H-IP-32RF units would be needed.

However, if the streams are coming from the providers as HLS or RTMP streams over the public internet, you would need to decode each stream to CVBS or HDMI video using an IP Set-top box. In that case, you would require CVBS or HDMI Analog modulators such as the following:

  1. H-16HDMI-RF-AMOD Link: 16 HDMI to Analog Agile CATV RF Modulator (NTSC)

  2. H-16RCA-RF-AMOD Link: 16-Channel Analog Agile Modulator (NTSC/PAL/SECAM)


Thank you for reaching out and considering our Thor Fiber UDP multicast IP to Analog NTSC CATV RF modulator H-IP-32RF for your project needs.

I appreciate your thorough evaluation of our product and comparison with the Blonder Tongue Laboratories Clearview NTSC16. Indeed, the Thor Fiber H-IP-32RF operates in a similar manner but boasts a notable advantage with its double capacity of 32 channels compared to the 16 channels offered by the Clearview NTSC16. For 48channels, you could use 2 H-IP-32RF, insed of 3 Clearview NTSC16

User's Manual is avalible only for logged users.
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