DMR 标准 part1-part4 Electromagnetic compatibilityand Radio spectrum Matters (ERM);Digital Mobile Radio (DMR) Systems;Part 1: DMR Air Interface (AI) protocolPart 2: DMR voice and generic services and facilitiesPart 3: DMR data protocolPart 4: DMR trunking protoc 语言: 其他 大小: 类型: tag: 上传人:fuaoxing55 上传时间:2023-09-24 0 1条