定位器信标 meaning in English

locator beacon

Electromagnetic compatibility and radio spectrum matters - satellite personal locators beacons operating in the 406 , 0 mhz to 406 , 1 mhz frequency band - part 1 : technical characteristics and methods of measurements v1 . 1 . 1
电磁兼容性和无线电频谱情况.工作在406 . 0 mhz - 406 . 1 mhz频带的卫星个人定位器信标.第1部分:技术特性和测量方法