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  • ETSI TR 125 992-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-25
  • ETSI TS 128 732/2-2018 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management...2023-07-25
  • GB/T 9771.1-2000 通信用单模光纤系列 第1部分:非色散位移单模光纤特性 The series of single-mode optical fibres ...2023-07-25
  • ETSI TS 124 182-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-25
  • ETSI TS 129 333/4-2021 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-25
  • ETSI TS 137 145-1-2016 Universal Mobile Telecommunications Systems (Umts);Lte;Active Antenna System (Aas) ...2023-07-24
  • ETSI TS 137 105/1-2018 Universal Mobile Telecommunications System (Umts); Lte; Active Antenna System (Aas) ...2023-07-24
  • ETSI TS 125 469-2020 Universal Mobile Telecommunications System (Umts); Utran Iuh Interface Home Node B (Hn...2023-07-24
  • ETSI TS 122 082-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-24
  • ETSI TS 122 032-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-24
  • ETSI TS 126 116/6-2018 Universal Mobile Telecommunications System (Umts); Lte; Television (Tv) Over 3Gpp Se...2023-07-23
  • ETSI TS 132 290/1-2019 5G; Telecommunication Management; Charging Management; 5G System; Services, Operatio...2023-07-23
  • ETSI TS 124 301/1-2019 Universal Mobile Telecommunications System (Umts); Lte; 5G; Non-Access-Stratum (Nas)...2023-07-23
  • ETSI TS 123 226-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-23
  • ETSI TS 124 341/2-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-23
  • ETSI TS 132 421/4-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-23
  • ETSI TS 128 702-2020 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-07-23
  • ETSI TS 143 059-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Functional stage 2 descri...2023-07-23
  • ETSI TS 137 104/1-2019 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-23
  • CNS 62498-3-2020 铁路应用-设备之环境条件-第3部:号志及电讯设备 铁路应用-设备之环境条件-第3部:号志及电讯设备\Railwa...2023-07-23
  • ETSI TS 129 201-2014 Universal Mobile Telecommunications System (Umts); Lte; Representational State Transfe...2023-07-23
  • ETSI TS 145 008/7-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Radio Subsyste...2023-07-22
  • ETSI TS 123 167/3-2020 Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia Subsystem (Ims...2023-07-22
  • ETSI TS 143 318-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Generic Access Network (G...2023-07-22
  • ETSI TR 126 969-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-22