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The requirements to feed own content such as information channels, monitoring cameras, presentation videos for showrooms, etc. into shared distribution systems increases considerably.

 

The POLYRON modulators convert HDMI or AV signals of any source, such as cameras, media players, PCs, etc. to be fed into TV distribution systems.

Overview

Input signal Output signal Input no. Output no. MER ASI IP
out
19" rack mount PC
Prog.
Type Article no.
HDMI DVB-C 1 1 ≥ 38 HDM 1 multi 5741686
    1 1 ≥ 42 Ja / Yes Ja / Yes HDM 1 C 5741650
    2 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDM 2 C01 5741652
    4 4 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDM 4 C 5741654
HDMI DVB-T 1 1 ≥ 38 HDM 1 multi 5741686
    1 1 ≥ 42 Ja / Yes Ja / Yes HDM 1 T 5741640
    2 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDM 2 T01 5741659
    4 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDM 4 T 5741644
HDMI IP 1 1 / Ja / Yes Ja / Yes HDM 1 IP 5741690
SDI DVB-C 2 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDS 2 C01 5741671
    4 4 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDS 4 C01 5741656
SDI DVB-T 2 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDS 2 T01 5741661
    4 4 ≥ 42 Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDS 4 T01 5741645
IP DVB-C 1024 32 ≥ 40 Ja / Yes Ja / Yes Ja / Yes HDI 32 C01 5741704
IP DVB-C 2 2 ≥ 42 Ja / Yes Ja / Yes Ja / Yes HDI 2 C01 5741701
IP DVB-C / DVB-T / ISDB-T / J.83B 1 2 ≥ 40/35 Ja / Yes   Ja / Yes HDI 2 multi 5741708
IP DVB-T 1024 8 ≥ 40 Ja / Yes Ja / Yes Ja / Yes HDI 8 T 5741705
IP SDI 2 2 / Ja / Yes Ja / Yes Ja / Yes Ja / Yes HDI 2 SDI 5741706
HDMI ATSC-T/C, DTMB 1 1 ≥ 38 HDM 1 multi 5741686

Application: HDMI distribution via antenna cable

Application of POLYTRON modulators

8 in HD Encoder DVB-C Modulator supports 8 x HDMI input and 2xRF (DVB C) Output.
The Encoder is 1U rack mountable and can be configured by front panel LCD and NMS (Network Management Software). It’s highly integrated and cost effective design makes it widely used in different kind of digital distribution systems such as cable TV head end, satellite digital TV broadcasting and terrestrial TV etc.

Only available in MENA region.

Download specifications here.

HDM-8I is POLYTRON's latest generation of multi-purpose HDMI into IP encoders. The device converts eight HDMI signals into IP SPTS signals.
Available only in MENA region.

2x HDMI / ASI into DVB-C / ASI + IP

The modulator HDM-2 C01 converts two HDMI signals and ASI into DVB-C (QAM). The signal is also available as IP stream and can be fed into IPTV networks.

2x HDMI / ASI into DVB-T / ASI + IP

The modulator HDM-2 T01 converts two HDMI signals and ASI into up to 2 DVB-T (COFDM) channels. The signal is also available as IP stream and can be fed into IPTV networks.

POLYTRON HD Encoder Modulator HDM 1 multi

Encoder modulator 1x HDMI to DVB-T/-C / DTMB or ATSC-T/-C

HDM 1 multi is a modulator for conversion of a HDMI signal into a DVB-T/-C / DTMB or ATSC-T/-C channel. The HDMI input supports all video resolutions up to 1080/60p.

POLYTRON HDM 1 S - Eigene Inhalte in Multischalteranlagen einspeisen

1x HDMI in DVB-S -  feed your own contents into multiswitch systems

The POLYTRON HDM 1 S modulator converts one HDMI source into a DVB-S signal for feeding into distribution networks with multi-switches. This way, you can easily add your own content to reception systems in hotels, hospitals, retirement and nursing homes, waiting areas, sports bars, events or similar.

POLYTRON HDM 1 C/IP 4K - Modulator zur Einspeisung von 4K Content

Modulator HDM 1 C/IP 4K for conversion of 4K content into DVB-C and IP

If you would like to feed 4K content into a TV reception system, POLYTRON’s HDM 1 C/IP 4K modulator is ideal: The device converts the HDMI signal, e.g. from cameras, media players or decoders, into a DVB-C channel and IP stream. The HDMI input of the modulator supports all video resolutions up to 4K 50/60p.

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  • IP gateway with output modulator

    IP gateway with output modulator

    The device has a gateway module that can be used for protocol conversion and an integrated 8-way DVB-T modulator.

    This means that IP signals (HTTP, UDP, RTP, RTSP and HLS) can be received, converted and distributed in the network as an IP stream and in parallel as a DVB-T signal in a single device.

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    The powerful 19" headends can accommodate up to six modules and have two redundant power supplies - for maximum reliability.

    MPX Series is a highly flexible solution that is perfect for a wide range of applications....

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    POLYTRON modulators are used to process HDMI signals up to 4K from cameras, media players, PCs etc. for feeding into TV reception and distribution systems.

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    The Green Line series multiswitches guarantee the best quality and maximum reliability for your reception system. The new multiswitches are now available in a more compact design as high-quality 5, 9 and 17-way single and cascade multiswitches as well as matching amplifiers.

  • Optical Distribution

    Optical Distribution

    Headline

    The distribution of satellite signals via fibre optic cable offers decisive technical and economic advantages, especially for larger distances / distribution networks and a wide variety of programmes. In addition to the high data capacity and virtually loss-free signal transmission, the fast installation and reliability of pre-assembled fibre optic cables play a decisive role.
    The POLYTRON system works with conventional LNBs and utilises proven CWDM technology for signal transmission.

Channel reassignment in Vodafone cable networks

Senderumbelegung in Vodafone Kabelnetzen

POLYTRON supports hospitals and the hotel industry

The nationwide channel reallocation in Vodafone cable networks began in August 2025 and is expected to be completed by May 2026.

POLYTRON XGS-PON FTTX solutions

POLYTRON XGS-PON FTTX-Lösungen

Fast and stable fiber optic networks

With increasing digitalization, the demand for fast internet and reliable TV signals is constantly growing.

SD shutdown on November 18, 2025

SD-Abschaltung ZDF Sendergruppe

ZDF broadcasting group to discontinue SD signal in November 2025

November 18, 2025, is an important date for all television viewers in Germany

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About POLYTRON

POLYTRON Broadband Systems has been a pioneering company for active and passive signal distribution components for over 50 years. We specialize in the development, manufacture and worldwide distribution of equipment for the reception and distribution of television and radio signals. . 

Our areas of expertise are headends, amplifiers, multiswitches, filters, optical components and accessories.

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