Vintage Megahertz 128K ISDN PC Card – Model ISDNU by U.S. Robotics. This PCMCIA networking card was designed to provide high-speed remote access over an ISDN BRI line for compatible notebook and PowerBook computers.

The item appears new in original packaging and has been kept in good condition. Great piece for retro computing collectors, vintage networking enthusiasts, or anyone restoring classic laptops from the Windows 95 / early notebook era.

Features:

• 128 Kbps ISDN transmission speed

• Compatible with PC Card / PCMCIA notebook slots

• Works with ISDN BRI lines

• Compatible with many North American ISDN switches

• Cross-platform compatibility with PC notebooks and Apple PowerBooks of the era

Please note this is vintage technology from the 1990s, designed for systems that support PCMCIA cards and ISDN connectivity.

Feel free to reach out with any questions.

The US Robotics RARE SEALED 128k ISDNU PC Card is a vintage laptop modem card designed for use with Windows 95 operating systems. This PC card has one port and is compatible with PC Card Type II ports. It is a unique and collectible item for those interested in older computer technology and accessories.