communication scanner

例句：

1. 1.The communication scanner is used to detect and track signals in a particular area.
   通信扫描器用于检测和跟踪特定区域内的信号。
2. 2.The engineer used the communication scanner to locate the faulty component.
   工程师使用通信扫描器定位故障组件。
3. 3. The communication scanner was crucial for maintaining secure communications during the emergency response.
   在紧急响应期间，通信扫描器对于维持安全通信至关重要。