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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

BS EN 16603-50-13-2014 航天工程 MIL STD 1553BB数据总线板载飞船的接口和通信协议 Space engineering. Interface ...2023-07-22

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

BS ISO 15765-4-2016 道路车辆控制器局域网络的诊断通信(DoCAN) 第4部分:排放相关统的要求 Road vehicles. Diagnos...2023-07-22

ETSI TS 128 658-2021 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-07-22

ETSI TS 129 079-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-22

ETSI TS 129 468/1-2019 Universal Mobile Telecommunications System (Umts); Lte; Group Communication System E...2023-07-22

ETSI TS 144 064/2-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station - Servin...2023-07-22

GB/T 34428.2-2017 高速公路监控设施通信规程第2部分:车辆检测器 Communication rules of the devices of surveill...2023-07-22

ETSI TS 133 128/5-2020 Lte; 5G; Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobi...2023-07-21

ETSI TS 133 401-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-21

ETSI TR 133 916/1-2018 Universal Mobile Telecommunications System (Umts); Lte; Security Assurance Methodolo...2023-07-21

ETSI TS 155 236-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Specification Of A8_V Mil...2023-07-21

ETSI TS 143 064/3-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); General Packet Radio Se...2023-07-21

ETSI TS 129 213/1-2019 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-21

ETSI TS 122 101/2-2017 Universal Mobile Telecommunications System (Umts); Lte; Service Aspects; Service Pri...2023-07-21

ETSI TS 131 115-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-21

BS ISO/IEC 19780-1-2015 信息技术学习、教育和培训协同技术协同学习通信以文本信息为基础的通信 Information t...2023-07-21

ETSI TS 133 163-2019 Lte; 5G; Battery Efficient Security For Very Low Throughput Machine Type Communication...2023-07-21

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