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Support 4 CAS Digital TV Modulator All-In-One With Encoding Multiplexing Modulator

Hooray Vision Technology Co,.Ltd
Hooray Vision Technology Co,.Ltd
City: Chengdu
Province/State: Sichuan
Country/Region: China
Tel: 86--13550155595
Contact Person:
Mr Kyle

Support 4 CAS Digital TV Modulator All-In-One With Encoding Multiplexing Modulator

Brand Name : Hooray Vision
Model Number : HEM-2128H
Certification : ISO 9001-2008
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Western Union
Supply Ability : 100
Packaging Details : OEM
Format : MEPG4/H.264 SD HD
Output : DVB-C ,DVB-T,DVB-S Modulation
Function : Encoder Modulator
Multiplexing : Support
Scrambling : Support 4 CAS
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Digital TV Encoder Modulator All-In-One With Encoding Multiplexing Modulator

HEM-2128H series products are HOORAY’s all-in-one devices which integrate encoding, multiplexing and modulation to convert V/A signals into digital RF output. It adopts inner drawer-type structural design which greatly facilitates the change of encoding modules (HDMI/CVBS/SDI/YPbPr/…) as needed. To meet customers’ various requirements, HEM-2128H is also equipped with 1 ASI input for re-mux, and output with 2 ASI ports and 1 IP port.

The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. Its output signals are to be received by TVs, STB and etc with corresponding standard.

With its various inputs available, our HEM-2128H series products are wildly used in public places such as metro, market hall, theater, hotels, resorts, and etc for advertising, monitoring, training and educating in company, schools, campuses, hospital… It’s a good choice to offer additional info channels.

Key Features

* HDMI/CVBS/SDI/YPbPr… inputs, 1*ASI in for re-mux; 1*RF in for RF mix

* MPEG2 HD/SD & MPEG4 AVC H.264 HD/SD video encoding

* 1* channel in (portable case); 2* channels in (19” rack case)

* MPEG4-AAC; MPEG2-AAC; MPEG1 Layer Ⅱand Dolby Digital AC3 2.0 (Optional) audio encoding

* Dolby Digital AC3 pass through(for HDMI of HDMI/YPbPr/CVBS 3-in-1 board)

* Dialog Normalization (Optional)

* Support CC (closed caption ) for SDI and CVBS interface (Optional)

* Huge video buffer (for SDI interface), free to switch video sources

* Support low delay encoding mode(Optional)

* Support VBR/CBR rate control mode

* Support PSI/SI editing

* Support PCR accurate adjusting

* Support PID re-mapping and pass through

* Digital RF out (DVB-C/T/ATSC/ISDB-T RF Optional) and ASI out; IP out

* LCN (Logical Channel Number) support – for DVB-C/T/ISDB-T modulating module

* VCT (Virtual Channel Table) support – for ATSC modulating module

* Modular design, pluggable encoding modules

* LCD display, Remote control and firmware

* Web-based NMS management; Updates via web

* Lowest cost per channel

Technical Specification

HDMI Encoding Input


EncodingMPEG2; MPEG4 AVC/H.264

1920*1080_60P, 1920*1080_50P,

(-for MPEG4 AVC/H.264 only)

1920*1080_60i, 1920*1080_50i,

1280*720_60p, 1280*720_50P

720*480_60i, 720*576_50i

Low DelayNormal, Mode 1, Mode 2
Rate ControlVBR/CBR
Aspect Ratio16:9,4:3


EncodingMPEG1 Layer II; LC-AAC; HE-AAC and Dolby Digital AC3 2.0 ( Optional)
Sample rate48KHz
Bitrate64/96/128/ 192/256/320kbps

Modulator Section



Bandwidth6M, 7M, 8M
ConstellationQPSK, 16QAM, 64QAM
Code rate1/2, 2/3, 3/4, 5/6, 7/8.
Guard Interval1/32, 1/16, 1/8, 1/4
Transmission Mode2K, 8K
RF frequency30~960MHz, 1KHz step
RF Out


2*DVB-T carriers combined output (Option)

RF output level-30~ -10dbm (77~97 dbµV), 0.1db step



StandardJ.83A (DVB-C), J.83B, J.83C
RF frequency30~960MHz, 1KHz step
RF output level-30~ -10dbm (77~97 dbµV), 0.1db step
Symbol rate5.000~9.000Msps adjustable
RF Out


4*DVB-C carriers combined output (Option)

Constellation16/32/64/128/256QAM64/ 256 QAM64/ 256 QAM



StandardATSC A/53
RF frequency30~960MHz, 1KHz step.
RF Out


4*ATSC carriers combined output (Option)

RF output level-26~-10dbm (81~97dbµV), 0.1db step



StandardARIB STD-B31
ConstellationDQPSK,QPSK, 16QAM, 64QAM
Guard Interval1/32, 1/16, 1/8, 1/4
Transmission Mode2K, 4K, 8K
RF frequency30~960MHz, 1KHz step
RF output level-30~ -10dbm (77~97 dbµV), 0.1db step



Local interfaceLCD + control buttons
Remote managementWeb NMS
Stream Out

2 ASI out (BNC type);

IP (MPTS/SPTS) out (RJ45, 100M)

NMS interfaceRJ45, 100M

Physical Specification

Power supplyAC 100V~240V

482*300*44mm (19” rack)

267*250*44mm (portable)


4.5 kg (19” rack)

2.5 kg (portable)

Operation temperature0~45℃

Product Tags:

qam rf modulator


catv qam modulator

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Support 4 CAS Digital TV Modulator All-In-One With Encoding Multiplexing Modulator Images

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