sending modem

例句：

1. 1. The sending modem is connected to the internet for data transmission.
   发送调制解调器连接到互联网用于数据传输。
2. 2.The modem card was a crucial component in the early days of telephone service.
   调制解调器卡是电话服务早期的关键组件。
3. 3.The modem adapter allows for better signal strength and faster internet speeds.
   调制解调器适配器可以提供更好的信号强度和更快的互联网速度。