Electromagnetic compatibility and Radio spectrum Matters (ERM); International Technical Characteristics and Test Methods; Part 2: Cordless audio and Consumer radio microphones in the 25 MHz to 3 GHz Frequency Range
电磁兼容性和无线电频谱管理(ERM);国际技术特性和试验方法;第2部分:25 MHz至3 GHz频率范围内的无绳音频和消费无线电麦克风