HP 393801-001 Modem Card for PAVILION DV4000 Laptop

Product Description

The HP 393801-001 is an internal modem card specifically designed for integration into the HP PAVILION DV4000 series of laptops. This component provides essential dial-up communication capabilities, allowing users to connect to the internet and send or receive faxes over standard analog telephone lines. In the era of its release, internal modems were a standard feature for many laptops, offering a convenient way to stay connected when broadband services were not readily available or suitable. This modem card typically supports data transfer rates up to 56 kilobits per second (Kbps), adhering to common standards like V.90 or V.92, which represented the highest speeds achievable over analog phone lines. Beyond data, it also functions as a fax modem, enabling direct fax transmission and reception from the laptop. The module connects to the Public Switched Telephone Network (PSTN) via an RJ-11 telephone jack, which is usually accessible through a dedicated port on the laptop or via an adapter. As a part specific to the PAVILION DV4000 series, the 393801-001 ensures proper fit, electrical compatibility, and driver support within those particular laptop models. It serves as a crucial component for users who require legacy communication methods, whether for accessing specific networks, sending faxes, or in situations where only dial-up is available. The HP part number 393801-001 identifies this specific modem card for replacement or upgrade purposes.