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  • IEC 61784-3-2021 工业通信网络--配置文件--第3部分:功能安全现场总线--一般规则和配置文件定义 Industrial communi...2023-06-04
  • ETSI TS 129 215/4-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-06-04
  • ETSI TS 128 301-2018 LTE; Telecommunication management; Licensed Shared Access (LSA) Controller (LC) Integr...2023-06-04
  • ETSI TS 129 280-2020 Universal Mobile Telecommunications System (Umts); Lte; Evolved Packet System (Eps); 3...2023-06-04
  • GA/T 1058-2013 警用数字集群(PDT)通信系统 空中接口呼叫控制层技术规范 Police digital trunking communication sy...2023-06-04
  • ETSI TS 129 230/4-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-06-04
  • ETSI TS 145 008/3-2019 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Radio Subsyste...2023-06-04
  • ETSI TS 129 219-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-06-03
  • ETSI TS 128 673-2013 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-06-03
  • ETSI TS 131 111/2-2019 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-06-03
  • ETSI TS 137 171/4-2020 Universal Mobile Telecommunications System (Umts); Lte; 5G; Universal Terrestrial Ra...2023-06-03
  • ETSI TR 125 956-2020 Universal Mobile Telecommunications System (Umts); Universal Terrestrial Radio Access ...2023-06-03
  • ETSI TR 137 900-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-06-01
  • DIN EN 16603-50-2014 Space engineering - Communications2023-05-31
  • ETSI TS 144 018/7-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Mobile Radio Interface ...2023-05-31
  • ETSI TS 133 303-2018 Universal Mobile Telecommunications System (UMTS); LTE; Proximity-based Services (ProS...2023-05-31
  • ETSI TS 122 067-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Universal Mobile Telecommu...2023-05-31
  • ETSI TS 124 305-2014 Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunicat...2023-05-31
  • BS ISO/IEC/IEEE 8802-1Q-2016 信息技术 系统之间的电信和信息交换 本地和大都市区域网络 具体要求桥梁和桥接网络 I...2023-05-31
  • ETSI TS 124 275-2020 Lte; Management Object (Mo) For Basic Communication Part (Bcp) Of Ims Multimedia Telep...2023-05-31
  • ETSI TS 145 008/3-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Radio Subsyste...2023-05-31
  • ETSI TS 123 167-2017 Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia Subsystem (Ims) ...2023-05-31
  • ETSI TS 132 157/1-2018 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management...2023-05-31
  • ETSI TS 122 034-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-05-31
  • ETSI TS 128 621-2019 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-05-31
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