无线电通信业务 meaning in English

radio communication service
radio traffic

Scheduled radiocommunication service
定时开放的无线电通信业务
Rbtesc telecommunications - routing , bridging , and transfer of emergency service calls rbtesc
电信.应急无线电通信业务呼叫
Minimum standards - citizens band radio service amplitude modulated transceivers operating in the 27 mhz band
最低标准.运行在27mhz波段的民用波段无线电通信业务调幅无线电收发两用机