01

14.4K

14.4 Kbps

A classic modem speed found on many early 1990s computers. Great for basic text-based websites and older online services.

02

28.8K

28.8 Kbps

A faster dial-up connection commonly found on mid-1990s computers and modems.

03

33.6K

33.6 Kbps

A popular high-speed dial-up standard from the late 1990s, providing noticeably faster connections than 28.8K.

04

56K

Up to 56 Kbps

The highest commonly available dial-up speed. Actual speeds depend on your modem, telephone line, and network conditions.

05

Unlimited

No speed shaping

For connections where IMNTU is not intentionally limiting the connection speed. Your actual speed still depends on the modem and telephone connection.

Speed comparison

Speed Typical era Good for
14.4 Kbps Early 1990s Text, email, basic websites
28.8 Kbps Mid 1990s Web browsing, email, online services
33.6 Kbps Late 1990s Web browsing and larger downloads
56 Kbps Late 1990s–2000s Maximum-speed dial-up browsing
Unlimited Varies Connections without IMNTU speed shaping

Actual connection speeds

The speed shown by your computer may be lower than the modem's maximum rated speed. Telephone line quality, modem hardware, network conditions, and other factors can affect the final connection speed.