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4 channels CVBS to DVB T encoder modulator
4 channels CVBS to DVB T encoder modulator

1. 1U with 4 CVBS&1 ASI input 2. DVB-T RF&ASI out 3. NMS support

Key Features

4 channel CVBS in, RF inMPEG2 low bit rate encoding 720*576(PAL), 720*480(NTSC)4* CVBS in, 1*RF in RF COFDM DVB-T out   LCN support (Logical Channel Number) Excellent modulation quality MER≥42dBRF Frequency range 30Mhz~960MhzLCD display, Remote control and firmware Updates via web/Ethernet ISDB-T/Tb RF out (optional) Lowest cost per channel --- breakthrough price

                                                                                                                                                                     

Product overview

KBT3542-4 is a low bit rate encoding, DVB-T modulation integrated device to convert four channels A/V signals to DVB-T RF out in the frequency range of 30~960MHz. It has equipped with 4 channels CVBS input in two individual modules, 1 ASI input and 1 RF input.

The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. its output signal is to be received by a DVB-T standard TV, DVB-T STB.

The device can be used in public place such as metro, market hall, theatre, hotels, resorts, etc for advertising. It also can be used for monitoring, training and educating in company, schools, campuses, hospital… besides that it’s a good choice for bars to offer HD sports channels, for VIP entertainment channels, and more.

 

Specification

Input&Output section

  

Input  Interface

CVBS*4 (two individual module) 

ASI *1

RF * 1

output Interface

RF * 1

ASI * 2

Encoding section

Video

Encoding  

MPEG-2 MP@ML(4:2:0) 

Input 

CVBS*4 (two individual module) 

Resolution 

720*756(PAL), 720*480(NTSC) 

Audio

encoding

MPEG1 Layer II

Input

Unbalanced stereo analog audio *4

Sample rate

48KHz

Bit rate

64kbps, 96kbps,128kbps, 192kbps, 256kbps, 320kbps

 

DVB-T modulator section

Standard

EN300744

FFT mode

2K, 8K

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

≥42dB

RF frequency

30~960MHz, 1KHz step

RF output level

-30~ -10dbm(81~97 dbµV), 0.1db step

 

Interface

Local interface

LCD + control buttons

Remote management

Web NMS

Language

English

General

Power supply

AC 100V~240V

Dimensions

480*300*44mm

Weight

4.5kgs

Operation temperature 

0~45°C

4 channels CVBS to DVB T encoder modulator

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