10K502D Dual-Frequency QAM Modulator is a cost-effective, high performance Digital QAM Modulator provided by Sumavision. It innovatively integrates two independent Digital QAM Modules in a single 1RU chassis, allowing service provides expanding more video services without sacrificing head-end real estate.

Main functions as follows:

Two independent QAM Modules, the on/off of one module does not affect the other
16,32,64,128,256,512 and 1024 QAM
Excellent MER, Out-of-band Rejection, CNR, PCR correction, etc.
Support edition of all PSI/SI tables; PID filtering and remapping
Support internal re-multiplexing
1 RU Structure

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More details see en.sumavision.com/Products.aspx?catID=4&subcatID=56&curID=109