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Hangzhou Prevail Optoelectronic Equipment Co., Ltd.

Modulator, Qam Modulator, Digital Modulator manufacturer / supplier in China, offering 4 in 1 qam modulator(With 4 adjacent frequency QAM) WDQ-3244, CATV Outdoor Two Way Optical Receiver Manual, CATV Outdoor RF Bidirectional Amplifier and so on.

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Supplier Homepage Product Digital Qam Modulator 4 in 1 qam modulator(With 4 adjacent frequency QAM) WDQ-3244

4 in 1 qam modulator(With 4 adjacent frequency QAM) WDQ-3244

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Ningbo, China
Production Capacity: 50PCS/Month
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: WDQ3244
  • Certification: CE
  • TS packet format: 188 or 204
  • Trademark: Prevail/Fobetmoc
  • Specification: 1RU
  • HS Code: 85437092
  • Type: TV Front-end Equipment
  • Condition: New
  • Modulation scheme: QPSK,16~256QAM
  • Transport Package: Pearl Wool
  • Origin: China
Product Description


1.four ASI inputs 
2.four adjacent frequency QAM carrier outputs 
3.insert RF combiner ,one RF output 
3.16/32/64/128/256 QAM


CATV QAM Modulator Features
1.4 adjacent channel QAM carrier   4 ASI inputs 


2.TS packet format input automatic detection (188 or 204 bytes)


3.Up to 108Mbps bit rate for each DVB-ASI input (cover both data packets and data burst)


4.RF output power 90~100dBuV ( with 0~10dB adjustable attenuation range) and 48~860MHz frequency range


5.16~256QAM modulation modes


6.Provide RF output monitoring port (-20dB)


7.Adjustable Symbol Rate: 5 to 7Mbaud


8.PSI/SI tables synchronization update


9.Excellent RF output performance, MER≥ 40dB


10.Memory protection for power-fail


11.Local keyboard control and LCD display, or access via Ethernet link



4 ASI input (Max. bit rate of each channel up to 108Mbps), RF output and RF testing output.

DVB-C QAM modulation
4 in 1 qam modulator(With 4 adjacent frequency QAM) WDQ-3244
4 in 1 QAM modulator : WDQ-3244
SummaryUp to 4 ASI inputs, 4 adjacent channel QAM carrier, QAM modulator
Input InterfaceASI input::4×1/ BNC-Female,75Ω
TS packet format: 188 or 204
Output InterfaceIF output: BNC-Female,75Ω ;Output frequency:36/36.15/35.25 MHz ;Output level:≥80 dBuV
RF output: BNC-Female,75Ω ;Output frequency::47~860 MHz ;Output level:≥100 dBuV
RF TEST output ( -20dB ) : BNC-Female,75Ω
Human-Computer interaction: LCD and OSD interface, Network Management Software
Modulation SpecificationModulation scheme:QPSK,16~256QAM
Symbol Rate:1~7 Mbaud                       Effective output bit rate:51.6 Mbps
MER (Modulation Error Rate ) :≥40 dB (After equalizer, 64QAM )
BER (Bit Error Rate ) :≥9x10E-9 (After FEC, 64QAM )
Flow Chart
4 in 1 qam modulator(With 4 adjacent frequency QAM) WDQ-3244
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