USRobotics Courier Lite 56k Dial Up Business Modem

Serial - 56 kbit/s - ITU V.17, ITU-T V.29, ITU-T V.27ter, ITU-T V.21, EIA 578 Class 1, EIA 592 Class 2.0, ITU-T Group III Fax Technology - ITU-T V.92, ITU-T V.90, ITU-T V.34, ITU-T V.32bis, ITU-T V.32, ITU-T V.23, ITU-T V.22bis, ITU-T V.22, ITU-T V.21, ITU-T V.44, ITU-T V.42bis, ... Modulation - 14.4 kbit/s Fax Transmission Data Rate