gar-shift modem

例句：

1. 1. The new gar-shift modem is faster than the old one.
   新的调制解调器比旧的快。
2. 2.He installed a new modem in his computer to improve its performance.
   他给电脑安装了一个新的调制解调器，以改善其性能。
3. 3. The company's new modem will allow for better internet connectivity.
   公司的新调制解调器将允许更好的互联网连接。