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YD/T 828.26-1997 Methods of measurement for equipment used in digital microwave transmission systems Part 2:Measurements on terrestrial radio-relay systems (USD) via email in 1 business day VALID
GB/T 4958.10-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3:Simulated systems-Section One General (USD) via email in 1-3 business day
GB/T 13857-1992 Specification for microwave communication system remote supervisory and control equipment via email in 1-3 business day please email coc@codeofchina.com for quotation
YD/T 670-1994 (USD) via email in 1-3 business day
YD/T 1153-2001 The Technical Specification of Radiation Pattern Envelope for Paraboloid Antenna Used in Microwave Relay Communication System (USD) via email in 1-5 business day VALID
YD/T 508.2-1998 (USD) via email in 1-3 business day VALID
T/ITS 0022-2015 Electronic toll collection—Dedicated short range communication via email in VALID please email coc@codeofchina.com for quotation
GB 14391-1993 Performance requirement for satellite emergency position indicating radioq beacon via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YD/T 660-1994 (USD) via email in 1-3 business day
YD/T 828.29-1997 Methods of measurement for equipment used in digital microwave transmission systems Part 2: Measurements on terrestrial radio-relay systems (USD) via email in 1-3 business day VALID
GB/T 4958.13-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3:Simulated systems-Section Five Measurement of mutual interference (USD) via email in 1-3 business day
GB 14391-2009 Technical requirements for satellite emergency position-indicating radio beacons (USD) via email in 1-3 business day VALID
YD/T 828.25-1996 (USD) via email in 1-3 business day VALID
YD/T 828.11-1996 (USD) via email in 1-3 business day VALID
YD/T 828.210-1996 (USD) via email in 1-3 business day VALID
YD/T 828.22-1996 (USD) via email in 1-3 business day VALID
YD/T 828.28-1996 (USD) via email in 1-3 business day VALID
GB/T 4958.3-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 3: Simulated systems-Section Six Measurements for sound-programme transmission (USD) via email in 1-3 business day
GB/T 29239-2012 Energy efficiency metrics and measurement method for mobile communication equipment—Base station (USD) via email in 1-3 business day VALID
YD/T 634-1993 (USD) via email in 1-3 business day
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