ThinkPad notebooks have been trusted for use in some of the world's most extreme settings, including space shuttle launches, altitudes more than 17,000 feet above sea level and on the open seas. Indicates trademark or registered trademark of International Business Machines Corporation. All other company, product and service names may be trademarks or service marks of others. These 56K modems are designed to be capable of receiving data at up to 56Kbps with compatible phone line and server equipment, and transmitting data at up to 31.2Kbps. Public networks currently limit maximum download speeds to about 53Kbps.
Actual speeds depend on many factors and are often less than the maximum possible.