Add to Cart Quick view US Robotics 8725600 56K ISA Internal Modem Card - Model 0613 US Robotics Was: $13.50 Was: $35.00 US Robotics 8725600 56K ISA Internal Modem Card - Model 0613 Condition: UsedThis modem card has been inspected and it is in good condition. 24246 SKU: 24246 Weight: 1.00 LBS