3CXM756-LAT 3Com MegaHertz 56K GSM Cell PCMCIA Modem Card with X Jack Connector
PC Card - Wikipedia
High Performance PCMCIA Ethernet Card with builted-in Fax Modem - TRENDnet TEM-560T
Apollo FM336 33.6 PCMCIA Laptop modem (New) V.34bis 33.6K PC Card Data/Fax Modem. Comes with all accessories. For Win NT 3.x, 4.x, Win 3.x, Win 95, OSR2, and DOS major Operating Systems. -
USRobotics 56K PC Card Modem User Guide
PC Card - Wikipedia
Megahertz XJ4288 28.8K PC Card Modem
U.S. ROBOTICS 56K MODEM PC CARD WITH X-JACK 3056 PCMCIA - Walmart.com
CPM-4PIN - 6ft Replacement Cable/Dongle for 4Pin PCMCIA Modem Card
Amazon.com: Megahertz XJ2144 PC Card 14400/14400bps PCMCIA Gold Series Fax Modem with XJACK, FCC ID: F2M7410005 : Electronics