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GB/T 20068-2006 Technical requirements of shipborne automatic identification system via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GA/T 1368-2017 Police digital trunking communication system—Technical specifications for engineering (USD) via email in 1-3 business day VALID
GA/T 1416-2018 General technical requirements for public security short-wave digital communication networking (USD) via email in 1-3 business day VALID
JT/T 621-2005 GSM/CDMA emergency telephone system for highway (USD) via email in 1-3 business day
YD/T 953-1998 General technical specifications of 2×STM-1SDH microwave telecommunication systems4~11GHz (USD) via email in 1-3 business day ABOLISHED
GB/T 16611-1996 Generic specification for data transceiver (USD) via email in 1-5 business day ABOLISHED
GA/T 1255-2016 Police digital trunking communication system Technical requirements and measurement methods for radio frequency equipment (USD) via email in 1-5 business day VALID
GA/T 1092-2013 Technical specifications for inter-system interface of 350 MHz analog trunked communication system for public security (USD) via email in 1-3 business day VALID
GB/T 13159-2008 Networking specifications for digital radio systems (USD) via email in 1-3 business day VALID
GB/T 20068-2017 Technical requirements of shipborne automatic identification system via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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