4-24 Channel HDMI Input DVB-C/DVB-T/ISDB-T/ATSC Encoder Modulator OUT RF

Short Description:

Product Overview

Encoder Modulator is a professional high integration device which includes encoding, multiplexing, and modulating in one box. It supports 4/8 HDMI inputs and DVB-C/T RF out with 2/4 adjacent carries and 2/4 MPTS out as mirror out of the 2/4 modulation carriers via DATA (GE) port. This full function device makes it ideal for small CATV head end system, and it’s a smart choice for hotel TV system, entertainment system in sports bar, hospital, apartment…


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Key features

Support LOGO, OSD and QR code insertion for every local channel (Language Supported:中文, English, العربية, ไทยहिन्दीруская, اردو, for more languages please consult us…)

*  4/8 HDMI input, MPEG-4 AVC/H.264 Video encoding

*  MPEG1 Layer II, LC-AACHE-AAC audio encoding format and AC3 Pass Through and support audio gain adjustment

 1 DVB-C/T/ISDB-Tb tuner input for re-mux (Optional for NDS3528S with DVB-C RF out version)

*  2/4 groups of multiplexing/modulating output channels  (scrambling function optional for NDS3528S with DVB-C RF out version)

*  2/4 DVB-C or DVB-T carrier out with each carrier channel processing maximum 32 IP from DATA input port

*  Support 64/128 IP inputs , 2/4 MPTS IP output over UDP and RTP/RTSP

*  Support PID remapping/PSI/SI editing and inserting

*  Control via web management, and easy updates via web

Principle Chart

EncoderModulator prince

Technical Specification

Input 4/8 HDMI inputs;

64/128 IP inputs;

1 DVB-C/T/ISDB-Tb tuner input for re-mux (Optional for NDS3528S with DVB-C RF out version)

Video Encoding MPEG-4 AVC/H.264
Resolution In-put 1920×1080_60P, 1920×1080_60i,

1920×1080_50P, 1920×1080_50i,

1280×720_60P, 1280×720_50P,


Out-put 1920×1080_30P, 1920×1080_25P,

1280×720_30P, 1280×720_25P,


Bit-rate 1Mbps~13Mbps each channel
Rate Control CBR/VBR
Audio Encoding MPEG-1 Layer 2, LC-AAC, HE-AAC and AC3 Pass Through
Sampling rate 48KHz
Resolution 24-bit
Audio Gain 0-255 Adjustable
MPEG-1 Layer 2 bit-rate 48/56/64/80/96/112/128/160/192/224/256/320/384 kbps
LC-AAC bit-rate 48/56/64/80/96/112/128/160/192/224/256/320/384 kbps
HE-AAC bit-rate 48/56/64/80/96/112/128 kbps
Multiplexing Maximum PID


180 input per channel
Function PID remapping ( automatically or manually)
Generate PSI/ SI table automatically

(optional for NDS3528S with DVB-C RF out version)

Maximum simulcrypt CA 4
Standard ETR289, ETSI 101 197, ETSI 103 197
Connection Local/remote connection
Modulation DVB-C RF out 2/4*RF DVB-C out (2/4 carriers combined output), F type interface
Standard EN300 429/ITU-T J.83A/B
MER ≥40db
RF frequency 50~960MHz, 1KHz step
RF output level -25~-1dBm (82~105 dbµV), 0.1dBm
Symbol Rate 5.0Msps~7.0Msps, 1ksps stepping
  J.83A J.83B
Constellation 16/32/64/128/256QAM 64/256 QAM
Bandwidth 8M 6M
DVB-T RF out 2/4*RF COFDM DVB-T out (2/4 carriers combined output) ,F type interface
Standard EN300744
FFT mode 2K,
Bandwidth 6M, 7M, 8M
Constellation QPSK, 16QAM, 64QAM
Guard Interval 1/4, 1/8, 1/16, 1/32
FEC 1/2, 2/3, 3/4, 5/6, 7/8
MER ≥42 dB
RF frequency 50~960MHz, 1KHz step
RF output level -28~ -3 dBm (77~97 dbµV), 0.1db step
Stream output 2/4 IP MPTS output over UDP/RTP/RTSP, 1*1000M Base-T Ethernet interface
System function Network management(WEB)
Chinese and English language
Ethernet software upgrade
Miscellaneous Dimension (W×L×H) 482mm×328mm×44mm
Environment 0~45℃(work)-20~80℃Storage
Power requirements AC 110V± 10%, 50/60Hz, AC 220 ±10%,50/60Hz


Order Guide

  NDS3524S NDS3528S (DVB-C Out) NDS3528S (DVB-T Out)
HDMI input 4 8 8
IP input 64 128 128
1 DVB-C/T/ISDB-Tb tuner input N/A Option as order N/A
Scrambling function N/A Option as order N/A
IP output 2 MPTS 4 MPTS 4 MPTS
DVB-C/T RF output channel 2 4 4

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