USRobotics Courier 56K Business Modem 3453C 56 Kbps W/. Ac Power Adapter

US ROBOTICS 56K Business Modem Courier Lite W/ Power Supply /Cable

USRobotics Courier 56K Dial-Up Fax Modem 3453C ...No CHARGER.. ..UNTESTED

US Robotics 56K Business Modem Courier Lite 5686G Modem Only New Open Box

USRobotics USR5686G 56K External Fax Modem | V.90 and V.92

Vintage Black Dial-up US Robotics V.92 56K Faxmodem Model 5686 (Powers On)

US Robotics 56K External Fax Modem V.92 Model 5686 w/ Power Adapter

US Robotics 3453C Courier 56K Global Business Modem