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Company Profile

Shenzhen GreatFirst Technology Co., Ltd. was founded in 2001, it’s a hi-tech private-owned enterprise specializing in research, development, production and sales of Satellite communication, Satellite Remote-sensing equipment, key equipment of satellite ground stations (Satellite Digital Up/Down converters cover all satellite frequency ranges, Satellite Demodulators) and 20MHz-40GHz wideband digital Receiver or Systems. We have formed featured devices and systems on spectrum and signal acknowledge, analysis and processing, which with advanced technology.Our R&D team have accumulated rich experiences in satellite communication and remote-sensing equipment (product) and system research for more than 30 years. They are competitive in RF signal frontend, microwave frequency synthesis, digital wideband and narrowband multichannel downconversion, despreading and modulation/demodulation, various encoding and decoding algorithms, computer & Internet protocols, etc. In particular, the modulation/demodulation, quick acquisition, adaptive equalization, and digital phase locked loop algorithms are characterized by creativity and advancement. Now we have exclusively won 6 invention patents and 26 software IP cores. We are headquartered in Floor 21, Tower B, Guoqi Building, Shangbu Road South, Futian District, Shenzhen. And have two R&D centers located in Shanghai and Chengdu. The company complies with ISO9000 quality management system and the industry standards. Our aim is to be better supplier of Satellite Communication equipment and systems; to be the pioneer in the field of spectrum and signal acknowledge, analysis and processing.

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Company Profile

Shenzhen GreatFirst Technology Co., Ltd. was founded in 2001, it’s a hi-tech private-owned enterprise specializing in research, development, production and sales of Satellite communication, Key equipment of Satellite Remote-sensing Ground Stations (Satellite Digital Up/Down Converters cover all Satellite Frequency ranges, IF Satellit...
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News Center

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122017.06

2017.06.12We attended ISDEF Israel Defence Exhibition Tel Aviv 2017

ISDEF 2017 is the Premier International Defense and HLS Exhibition in Israel. We attended ISDEF Israel Defence Exhibition Tel Aviv 2017 during June 6 to 8, 2017. And got the first order of Israel.

122017.06

2017.06.12We attended ISDEF Israel Defence Exhibition Tel Aviv 2017

We attended ISDEF Israel Defence Exhibition Tel Aviv 2017 during June 6 to 8, 2017. And got the first order of Israel.

302016.12

2016.12.30GreatFirst got more than 10 new property right during 2016

GreatFrist got 2 invention patents and more than 10 Software copyrights during 2016.

142016.09

2016.09.14We attended MSPO---International Defence Industry Exhibition 2016

During Sep 6 to Sep 9,2016, we attended MSPO---International Defence Industry Exhibition 2016 during Sep 1st to 4th 2016 in Poland Kielce City.

012016.08

2016.08.01We attended the 2nd China Intelligent Equipment Industry Exposition

During July 28th to 30th 2016, we attended the 2nd China Intelligent Equipment Industry Exposition in Shenzhen. More than Twenty models of our products were exhibited there, and we have invited the old and new customers to visit us, and also many professors. The function and design of our new products were praised from the customers.

Featured Products

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GFD4000 Wideband Dual IF Input Multi-Channel Satellite Demodulator

GFD4000 is fully compliant with IESS-308/309/310/314/315 and DVB-S & DVB-DSNG standards. With 8 independent channels in one 3U compact industrial rack, the demodulator has the capability to process 8 satellite carrier signals simultaneously, it can offers BPSK, QPSK, OQPSK, 8PSK, 8QAM, 16QAM, 16APSK schemes and data rate ranges from 9.6 kbps to 25 Mbps for each independent channel, FEC includes Viterbi, RS, SEQ, TCM, TPC, LDPC. Data output whether by independent BNC connectors or by GbE interface together.​

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GFD7000 High-Rate Digital Satellite Demodulator

GFD7000 High-Rate Digital Satellite Demodulator is fully compliant with IESS-308/309/310/315 Standards. It adopts large capacity high-speed digital circuits and built-in up to 16 taps adaptive equalizer. It provides data rate from 1Mbps up to 155.52Mbps, offers low lock threshold, fast acquisition, good performance in False-lock Rejection and Bit Error Rate, has strong ability of Anti-Multipath Decadence, less depend on System Group time delay. It has strong remote access ability, supports end users to set any parameters by using the software on PC, also offers remote inquiring and Rx-signal quality monitoring.

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GFD7100 DVB-S/S2 Satellite Demodulator

GFD7100 DVB-S/S2 Satellite Demodulator is complaint with DVB-S, DVB-S2 Standards, and provides symbol data rates up to 45Msps.It is equipped with large capacity high-speed digital circuit and built-in up to 16 taps adaptive equalizer. It offers fast acquisition and various excellent coding modes. It has stronger remote access ability, supports end users to set any parameters by using the terminal software on PC, also offers remote inquiring and Rx-signal quality monitoring.

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SDC Multi-Channel IF Series L/S/C/X/Ku/Ka Band Digital Downconverter

SDC-18 Series is a 4 Channels digital downconverter that supports L/S/C/X/Ku/Ka bands. It transmits Satellite signals to four independent downconverters for frequency conversion, after twice conversion it outputs 70±20 MHz or 140±40 MHz IF signals.

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