B: I ues dial up, not a broad band connection.

B：我用拨号(上网)，不是宽带。

youdao

Broadband is still more expensive than dial-up services.

宽带还是要比拨号服务费钱得多。

《柯林斯英汉双解大词典》

The user at home can access his company's Intranet by dial-up authentication.

用户在家里可以通过拨号验证访问他公司的内部网。

youdao

We can have dial up, or we can get DSL, or we can get cable modem, whatever.

NPR: Opinion Page: Network Neutrality on the Internet

He uses futures and derivatives to dial up and down the exposure to, say, foreign sovereign debt.

FORBES: Magazine Article

There's a mode dial up top, along with a dedicated exposure compensation dial, enabling more precise EV control.

ENGADGET: Canon PowerShot G15 features f/1.8-2.8 lens and DSLR-like controls, we go hands-on (video)