China CATV Digital 4 in 1 Qam Modulator Wdq-3244

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 carrier4 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.

4 in 1 QAM modulator : WDQ-3244ItemsDescriptionSummaryUp to 4 ASI inputs, 4 adjacent channel QAM carrier, QAM modulatorInput InterfaceASI input::4x1/ BNC-Female,75ΩTS packet format: 188 or 204Output InterfaceIF output: BNC-Female,75Ω ;Output frequency:36/36.15/35.25 MHz ;Output level:≥80 dBuVRF output: BNC-Female,75Ω ;Output frequency::47~860 MHz ;Output level:≥100 dBuVRF TEST output ( -20dB ) : BNC-Female,75ΩHuman-Computer interaction: LCD and OSD interface, Network Management SoftwareModulation SpecificationModulation scheme:QPSK,16~256QAMSymbol Rate:1~7 Mbaud Effective output bit rate:51.6 MbpsMER (Modulation Error Rate ) :≥40 dB (After equalizer, 64QAM )BER (Bit Error Rate ) :≥9x10E-9 (After FEC, 64QAM )