3 sentences

1. 声波发射器被摧毁了。

   shēng​bō fā​shè​qì bèi cuī​huǐ le.

   The sonic emitter has been destroyed.

   Source: OpenSubtitles

2. 这个发射器正在向卫星发送信号。

   zhè​ge fā​shè​qì zhèng​zài xiàng wèi​xīng fā​sòng xìn​hào.

   This transmitter is sending signals to the satellite.

   Source: Dong Chinese Dictionary

3. 那天在桥上，是他自己按下的发射器。

   nà tiān zài qiáo shàng, shì tā zì​jǐ àn​xià de fā​shè​qì.

   That day on the bridge, he pressed the transmitter himself.

   Source: OpenSubtitles