USRobotics 56K ISA Dial-Up Modem Expansion Card Dual RJ-11 2-Port

Vintage US Robotics USR Sportster 56k Modem Fax Network ISA Card @MB66

VTG 1996 US Robotics Gateway 2000 Telepath Modem 8-Bit ISA Card IBM PC/XT/AT

Vintage US Robotics Sportster 33.6k Internal ISA Modem Model 0460 (Hardware...

US Robotics 56K ISA Internal Modem Card - Model 0613 8725600

US ROBOTICS 0481 SPORTSTER ISA MODEM CARD

Rockwell ISA Fax Modem 28.8 V.34 Internal Dial-Up Card Vintage

US Robotics USR5610B ISA 56K Fax Modem Card Vintage Internal