This external 56k USB modem converts a USB port into an external 56k dialup modem, providing the ideal solution for applications that require fax modem capability, or simply a cost-effective way to connect to the Internet through dialup.This lightweight device provides portable convenience, and is powered through the USB bus - eliminating the need for an external power adapter and saving the hassle of having to find a wall outlet.With support for PCM Upstream, quick connect and v.44 data and error correction, this external USB modem provides the versatility and convenience needed to get true value from a dialup connection.