modem

The technician had to reset the modem to restore the internet connection for the office.

(Chinese) 技术人员不得不重置调制解调器，以恢复办公室的互联网连接。

You need a high-speed modem if you want to stream high-definition videos without buffering.

(Chinese) 如果你想在不缓冲的情况下流式传输高清视频，你需要一个高速调制解调器。