This US Robotics ISA Dial-Up Modem Card is a vintage D381 model that is compatible with universal brands. Its internal form factor makes it easy to install and it comes with two ports for DSL/Phone (RJ-11) external interfaces. This modem card is perfect for those who want to upgrade their computer's networking capabilities without worrying about compatibility issues.

The card is designed for use with ISA ports and is model number 1.012.0335-C. It is a great addition to any computer enthusiast's collection and is sure to provide reliable performance. Don't miss out on this opportunity to enhance your computer's networking capabilities with this high-quality modem card.

Working vintage pull!