radio message 无线电信息
radio signal 无线电信号
radio communication 无线电通信
A: Is the captain available?
A：船长在吗？
B: I radioed him a moment ago, but he didn't answer.
B：我刚才通过无线电找过他了，但他没回答。
1) 通过无线电通话
2) 通过无线电发送信息
1. 通过无线电进行通信
verb
1. To communicate with someone by using a radio