2025-12-14 216.73.216.3
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 29239-2024 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 570.0 via email in 1~5 business day valid,,2024-12-1
GB 9407-1988 Specifications for 960 telephone channel demodulation equipment--Equipment used in long-haul terestrial analog radio-relay systems 135.0 via email in 1~3 business day valid,,1989-1-1
GB 9406-1988 Specifications for 960 telephone channel modulation equipment--Used in long-haul terestrial analog radio-relay systems 165.0 via email in 1~3 business day valid,,1989-1-1
GB 9051-1988 Technical specification for 2GHz band transceivers used in analogue radio-relay systems 255.0 via email in 1~3 business day valid,,1989-1-1
GB 14391-2021 Performance requirements for satellite emergency position indicating radio beacons 285.0 via email in 1~3 business day valid,,2022-3-1
GB/T 29239-2020 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 375.0 via email in 1~5 business day superseded2024-12-01,2024-12-1,2021-7-1
GB/T 4958.12-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3:Simulated systems-Section Four Measurements for f.d.m. transmission 120.0 via email in 1~3 business day abolished2017-12-15,,1989-2-1
YD/T 634-1993 IF Modem Equipment Operating at 8Mbit/S 210.0 via email in 1~3 business day abolished2015-07-14,,1994-2-1
GB/T 13858.2-1992 Specification for 300 telephone channels modulation and demodulation equipment used in middle distance terrestrial analog radio-relay systems 120.0 via email in 1~3 business day abolished2005-10-14,,1993-5-1
YD/T 828.11-1996 Measuring Method of Equipments Used in Digital Microwave Transmission System Part 1 General Measurement of Terrestrial Radio-relay Systems and Satellite Communication Earth Stations Section 1: General Rules 160.0 via email in 1~3 business day abolished2024-07-11,,1996-3-12
GB/T 16650-1996 General specification for microwave communication systems with TDM/FDMA point-to-multipoint 160.0 via email in 1~3 business day valid,,1997-7-1
GB/T 4958.8-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2:Measurements for sub-systems-Section Eight Radio receivers 120.0 via email in 1~3 business day abolished2017-12-15,,1989-2-1
YD/T 843-1996 Technical Requirement and Measuring Method of Ku-Band Small-Capacity Digital Microwave Relay Communication System 210.0 via email in 1~3 business day abolished2015-07-14,,1996-5-8
YD/T 684-1994 Quality grading criteria of parabolic antenna for microwave relay communication system 130.0 via email in 1~3 business day abolished2009-12-01 ,,1994-5-18
YD/T 830-1996 Technical Requirement and Measuring Method for 2×34Mbit/S Digital Microwave Relay Communication System 270.0 via email in 1~3 business day abolished2015-07-14,,1996-3-12
GB/T 9404-1999 Technical specifications of feeder systems for microwaverelay communication 150.0 via email in 1~3 business day valid,,2000-3-1
GB/T 4958.9-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2: Mesurements for sub-systems-Section Nine Stand-by channel switching equipment 180.0 via email in 1~3 business day abolished2017-12-15,,1989-2-1
YD/T 828.24-1996 Measuring Method of Equipments Used in Digital Microwave Transmission System Part 2 Measurement of Terrestrial Radio-relay Systems Section 4: Transmitter/receiver (Incl. Modulator/demodulator 190.0 via email in 1~3 business day valid,,1996-3-12
GB/T 29239-2012 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 360.0 via email in 1~5 business day superseded,2021-7-1,2013-6-1
YD/T 757-1995 Technical conditions of microwave towers 180.0 via email in 1~3 business day superseded,2013-6-1,1995-12-1
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GB/T 29239-2024 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 
  Issued on: 2024-8-23   Price(USD): 570.0
GB 9407-1988 Specifications for 960 telephone channel demodulation equipment--Equipment used in long-haul terestrial analog radio-relay systems 
  Issued on: 1988-03-28   Price(USD): 135.0
GB 9406-1988 Specifications for 960 telephone channel modulation equipment--Used in long-haul terestrial analog radio-relay systems 
  Issued on: 1988-06-23   Price(USD): 165.0
GB 9051-1988 Technical specification for 2GHz band transceivers used in analogue radio-relay systems 
  Issued on: 1988-12-10   Price(USD): 255.0
GB 14391-2021 Performance requirements for satellite emergency position indicating radio beacons  
  Issued on: 2021-08-10   Price(USD): 285.0
GB/T 29239-2020 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 
  Issued on: 2020-12-14   Price(USD): 375.0
GB/T 4958.12-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3:Simulated systems-Section Four Measurements for f.d.m. transmission 
  Issued on: 1988-3-28   Price(USD): 120.0
YD/T 634-1993 IF Modem Equipment Operating at 8Mbit/S 
  Issued on: 1993-8-17   Price(USD): 210.0
GB/T 13858.2-1992 Specification for 300 telephone channels modulation and demodulation equipment used in middle distance terrestrial analog radio-relay systems 
  Issued on: 1992-10-06   Price(USD): 120.0
YD/T 828.11-1996 Measuring Method of Equipments Used in Digital Microwave Transmission System Part 1 General Measurement of Terrestrial Radio-relay Systems and Satellite Communication Earth Stations Section 1: General Rules 
  Issued on: 1996-03-12   Price(USD): 160.0
GB/T 16650-1996 General specification for microwave communication systems with TDM/FDMA point-to-multipoint 
  Issued on: 1996-01-02   Price(USD): 160.0
GB/T 4958.8-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2:Measurements for sub-systems-Section Eight Radio receivers 
  Issued on: 1988-3-28   Price(USD): 120.0
YD/T 843-1996 Technical Requirement and Measuring Method of Ku-Band Small-Capacity Digital Microwave Relay Communication System 
  Issued on: 1996-5-8   Price(USD): 210.0
YD/T 684-1994 Quality grading criteria of parabolic antenna for microwave relay communication system 
  Issued on: 1994-05-18   Price(USD): 130.0
YD/T 830-1996 Technical Requirement and Measuring Method for 2×34Mbit/S Digital Microwave Relay Communication System 
  Issued on: 1996-3-12   Price(USD): 270.0
GB/T 9404-1999 Technical specifications of feeder systems for microwaverelay communication 
  Issued on: 1999-8-2   Price(USD): 150.0
GB/T 4958.9-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2: Mesurements for sub-systems-Section Nine Stand-by channel switching equipment 
  Issued on: 1988-3-28   Price(USD): 180.0
YD/T 828.24-1996 Measuring Method of Equipments Used in Digital Microwave Transmission System Part 2 Measurement of Terrestrial Radio-relay Systems Section 4: Transmitter/receiver (Incl. Modulator/demodulator 
  Issued on: 1996-03-12   Price(USD): 190.0
GB/T 29239-2012 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 
  Issued on: 2012-12-31   Price(USD): 360.0
YD/T 757-1995 Technical conditions of microwave towers 
  Issued on: 1995-06-28   Price(USD): 180.0
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