dial up internet modem for 56Kbps connection Stock Photo - Alamy
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Used - Like New: MultiTech MultiModem ZDX MT5656ZDX V.92 Data/Fax Modem 56Kbps RS-232 (Serial Port) Modems / Gateways - Newegg.com
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Lot of 4 HP 56Kbps PCIe Data/Fax Modem Card Concorde 503095-002 LSi | eBay