T/GDIOT004-2022 广东省物联网协会 发布2022-06-28实施 2022-06-28发布窄带低功耗物联网网关设备在470MHz- 510MHz频段的射频指标与测试指南 RFRequirementsandTestGuideforNarrow-BandLow-PowerGatewayof InternetofThingson470MHz-510MHz团 体 标 准ICS55.020 CCSA80 全国团体标准信息平台 T/GDIOT004-2022 I目  次 前  言...................................................................................................................................................III 1范围.....................................................................................................................................................................1 2规范性引用文件..................................................................................................................................................1 3术语与定义..........................................................................................................................................................1 4缩略语..................................................................................................................................................................2 5技术要求..............................................................................................................................................................2 5.1概述....................................................................................................................................................................2 5.2发射机射频指标要求........................................................................................................................................2 6测试概述..............................................................................................................................................................4 6.1测试内容............................................................................................................................................................4 6.2测试仪表要求....................................................................................................................................................4 6.3测试的前提条件................................................................................................................................................4 6.4测试环境............................................................................................................................................................4 7发射机射频指标测试..........................................................................................................................................5 7.1测试项目清单....................................................................................................................................................5 7.2测试框图............................................................................................................................................................5 7.3工作频率测试....................................................................................................................................................5 7.4占用带宽测试....................................................................................................................................................6 7.5最大发射功率测试............................................................................................................................................6 7.6发射功率谱密度测试........................................................................................................................................7 7.7单次发射持续时间测试....................................................................................................................................8 7.8邻道泄漏测试....................................................................................................................................................9 7.9杂散辐射测试....................................................................................................................................................9 7.10频率容限测试....................................................................................