USRobotics (USR065630D) Modem
USRobotics (USR065630D) Modem - Modem Form Factor: External, Interface: Serial RS-232, 56 Kbps Modem Analog PSTN to connect to a serial port RS-232 DB9 standards: ITU V.92 56K - V. 90 56K ITU - V.34 33.6K ITU standard Compatible with ITU and Bell 56 Kbits / s to 1200 bit / s, support V.80 for videoconferencing (065630D)