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ETSI TS 123 096-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-05-02

ETSI TS 128 620/2-2017 Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management...2023-05-02

ETSI TS 133 127/2-2020 Lte; 5G; Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobi...2023-05-01

ETSI TS 128 669-2018 Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management; ...2023-05-01

ETSI TR 145 902/4-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Flexible Layer...2023-05-01

ETSI TS 132 121-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-05-01

ETSI TS 124 173/3-2019 Universal Mobile Telecommunications System (Umts); Lte; 5G; Ims Multimedia Telephony...2023-05-01

ETSI TS 144 004-2018 Digital cellular telecommunications system (Phase 2+) (GSM); GSM/EDGE Layer 1; General...2023-05-01

ETSI TS 132 157-2020 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-05-01

ETSI TS 123 204-2020 Universal Mobile Telecommunications System (Umts); Lte; Support Of Short Message Servi...2023-05-01

ETSI TS 133 328-2017 Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) ...2023-04-30

ETSI TS 123 107-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-30

IEC 61643-22-2015 低压电涌保护器--第22部分：电信和信号网络的电涌保护器--选择和应用原则 Low-voltage surge prote...2023-04-30

ETSI TS 126 446-2018 Universal Mobile Telecommunications System (UMTS); LTE; Codec for Enhanced Voice Servi...2023-04-30

ETSI TS 146 042-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Half rate speech;Voice Act...2023-04-30

ETSI TS 132 321-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-30

BS ISO/IEC 15149-4-2016 信息技术系统间远程通信和信息交换磁场区域网络(MFAN) 鉴定用安全协议 Information tech...2023-04-29

BS EN IEC 60027-2-2019 Letter symbols to be used in electrical technology. Telecommunications and electron...2023-04-29

ETSI TS 123 216-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-29

ETSI TS 126 204-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-29

ETSI TS 134 123-3/2-2020 Universal Mobile Telecommunications System (Umts); User Equipment (Ue) Conformance...2023-04-29

ETSI TS 133 128/2-2019 Lte; 5G; Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobi...2023-04-29

ETSI TS 125 172-2014 Universal Mobile Telecommunications System (Umts); Requirements For Support Of Assiste...2023-04-29

ETSI TS 131 111/5-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-04-28

ETSI TS 123 334/3-2021 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-04-28

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