We might be able to send out a signal, help the rescue party find us.

如果完好的话，我们也许可以找到无线电收发器。

youdao

Let us send a powerful signal to anyone, anywhere, who might commit such crimes in the future.

UN: Secretary-General

So it was very important for us to send a signal to the region that allies are going to continue to be the foundation of our approach.

WHITEHOUSE: The White House

Ben Nelson, D-Nebraska, who first floated the proposal of tearing down the prison to colleagues this week, told CNN that he believes such a move would send a strong signal to the international community that America is ready to "put it all behind us" and begin the healing process.

CNN: Senators seek demolition of Iraqi prison