1.USB 1.0 Interface and Powered Directly by the USB Port
2.Automatic detection between data/fax calls;Line quality monitoring and re-train
3.Enhanced ADPCM/PCM voice operation with concurrent DTMF detection
4.Surge protection circuitry;Status LEDs;Virtual UART(460.8kbps)
5.ITU V.90 for Internet Connection Rates Approaching 56K Bits/Sec 6. Retail Package Includes:External USB Modem, 5ft USB Cable, 6ft Standard Phone Cable;Drivers on CD-ROM, and Installation Guide