ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Maritime Emergency Position Indicating Radio Beacons (EPIRBs) intended for use on the frequency 121,5 MHz or the frequencies 121,5 MHz and 243 MHz for homing purposes only; Technical characteristics and methods of measurement
电磁兼容性和无线电频谱管理(ERM);海上紧急位置指示无线电信标(EPIRB) 用于频率为121,5 MHz或频率为121,5 MHz和243 MHz的寻的目的;技术特性和测量方法