Head-end equipments

Digital satellite receiver with ASI output MPEG-2 Encoder QAM modulator Multiplexer Scrambler

QPSK modulator

MPEG-2 digital &; fully DVB compliant
Support QPSK demodulation
2-channel MPEG-2 data stream output
QPSK demodulation: Frequency range: 950-2150MHz; Symbol rate: 2-45Ms/s
2 CI interface, decipher
Multiplexer

Multiplexing of 8 SPTS or remultiplexing of MPTS, MPTS supports all-chosen or part-chosen ;Low time delay. The delay for MPEG-2 Video program is less than 100msProviding web remote network control
QAM modulator

Digital process as per TS300 429 definition Complies fully with ITU-T J. 83 standard, annex A (DVB/DAVIV)Support a full range of variable data rates, signal bandwidths and QAM constellationR-S
QAM demodulator

Comply with ISO/IEC13818(DVB-MPEG2)standard; QAM frequency range: 111 - 862 MHz, Symbol rate: 2 ~ 7 Ms/s; With CI interface; With 2 channels ASI interface and TS signal output; TS stream unscrambled

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