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Amazon.com: U.S. Robotics USR5637 56K USB Controller Dial-Up External Fax Modem with Voice : Electronics
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Amazon.com: StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - Network Fax/CMR/POS (USB56KEMH2),Black :
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Amazon.com: USB 56K Voice Fax Data External V.90 V.92 Modem With Dual Ports, Compatible With Windows 98SE/2000/ME/XP/Vista/Win 7 and Support Auto-Dial, Tone and Pulse Dialing, Auto Answer, Auto Retrain (Black Color) :
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56K Dial Up USB Fax Modem V.92 USB External Modem Compatible with Win7 Win8 Win10 XP : Electronics - Amazon.com
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