USRobotics USR0839

U.S. Robotics USR0839 Sportster External Faxmodem 33.6Kbps RS-232 (Serial Port) ITU V.34 up to 33.6 Kbps Compatible with ITU and Bell standards V.32bis, V.32, V.22bis, Bell 212A/V.22, V.23, V.25, and Bell 103/V.21 modems V.42/MNP2-4 error c
USR USR0839 33.6 External Fax modem

USR USR0839