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4QAM

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4QAM

See QAM.



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Data is differentiated from 4QAM to 256QAM depending on transmission volume.
Samsung Electronics Develops High Performance Digital TV Receiver Chip by Business Wire
With 16QAM modulation, AirStar provides 56 Mbps of duplex capacity per channel while consuming only 14 MHz of spectrum in the upstream and downstream directions, enabling the operator to meet the service demands of the highest density urban districts, while still maintaining the ability to use 4QAM modulation to optimize coverage economics for lower density areas.
Netro Extends Global Leadership With Latest Release of Broadband ... by Business Wire
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