... plug. TM200 Model 56K USB Modem OverviewTM200 Model 56 K USB Modem provides the plug-and-play USB interface ... , etc.. It supports data compressing protocol V.90 (56 Kbps), V.34 (33.6 Kbps) protocol standards, ... high-efficiency data transfer. Main features:External USB56 K Modem, no need for externally-connected power supply ... transmission protocol.Max. DCE rate is up to 56,000 Kbps, Max. DTC rate is up ...