US Robotics USR3453 56K PCI Fax Modem V.90 Internal Dial-Up Card

US Robotics USR805661A Modem

US Robotics - Sportster 28,800 Faxmodem - LOT OF (3)

US ROBOTICS SPORTSTER 28800 FAX MODEM CJE-0340

Vintage Zoom Telephonics Beige Fax Modem 56K (V.34) Dualmode, Model 2949

U.S. ROBOTICS 5686 EXTERNAL FAX MODEM (NO POWER SUPPLY) - USED - FREE SHIPPING

USROBOTICS SPORTSTER CJE-0268 FAX MODEM V.34 AND V.32 BIS NSNP

Cardinal 2400 DATA/FAX Modem – Vintage External Unit (Made in USA)