The IBM 05K3357 Modem Card is a specific modem card designed for IBM Thinkpad 770X laptops. Made by IBM, this modem card is compatible with IBM systems and features V.90 standards for reliable connectivity. With an ISA port compatibility, this modem card allows for easy installation and use in various computer systems. Made in China, this product ensures quality and performance for users seeking a reliable modem solution for their IBM Thinkpad 770X laptop.Working pull from a 770x. Should work for some other 770 thinkpads as well. Picture is of the item. Thanks for looking.