Products Catalog | Wuhan Changjiang Electro-Communication Equipment CO.,Ltd. China

Wuhan Changjiang Electro-Communication Equipment CO.,Ltd. > Product Catalog

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2008

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Product Catalog: set top box [3]; Head-end equipments [5]; optical equipments [2]
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Wuhan Changjiang Electro-Communication Equipment CO.,Ltd.

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
optic transmittor

750MHz & 862 MHz OptionsOptical powers 1~2 mwHigh quality Pin Diode Laser125 to 254 VAC SMPSNetwork management functionStandard 19" rack mount
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
Fiber optic equipment-optic node

862MHz bandwidthReasonable at performance and excellent at priceInsert reverse laser transmitting moduleWaterproof aluminium alloy casePower amplifier module of high qualityManual continuous gain
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
TS 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
MPEG-2 Encoder

Video encoder: Comply with ISO/IEC 13818 MPEG-2 720X480(NTSC)/720X576(PAL)Software is equipped the coder mode with I/IP/IBP/IBBP automatically.
1. Audio encoder: Comply with ISO/IEC 11172 MPEG-1
DVB-T set top box

Use NEC chips; Fully comply with DVB-T/MPEG-2 standard; 7MHz & 8MHz software setting; Support 4: 3/16: 9 conversion; PAL/NTSC/SECAM switch forcibly or automatically; Support OSD & VBI figure
Digital satellite receiver

Use NEC chips; Accord with DVB-S/MPEG-2 Standard; Automatic PAL/NTSC/SECAM detection; Support multi-language(10 countries' language); Support OSD&VBI output; Channel automatic search/All frequency
DVB-C set top box

Chipset: NECReceive digital data broadcasting1000 channels memoryDVB, MPEG-2 compliantSCPC/MCPC available from cableDigital tuner with loop-through outMPEG-2 main profile at most degreeEasy graphic

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