US Robotics 56K ISA Hardware Jumperable Modem 0584 $24.99
USR Sportster 33.6 ISA Jumperable Modem $9.99
56K ISA US ROBOTICS 3COM (005687-03) $31.5
33.6 ISA US ROBOTICS (0460) $15.6
56K ISA USROBOTIC V.90 VOICE W/JUMPERS (5687-53) $25.42