Enjoy fast data transfer with our USB 2.0 Type A 56k data or fax modem. It supports full duplex communication with speeds up to 56kb or s for smooth internet connectivity. This modem uses V.92, V.90, V.42, and V.42bis or MNP5 protocols for quick uploads and downloads. It also supports V.17, V.29, and V.27ter fax protocols for reliable faxing. No external drivers needed��just plug and play. Works with Windows 98 or 2000 or ME or XP or Vista or CE5.0 or 10 or 8.1 or 8 or 7. Features automatic dialing (tone or pulse) and answering for seamless faxing. Ideal for internet browsing and fax communication. Note: Does not support voice calls. xxSpecs:xx - Type: Dial-up modem - Interface: USB - Connection: RJ11 - Speed: 56Kbps - Power: USB-powered (5V) - Fax Protocols: V.17, V.29, Group 3, Class 1 - OS: Windows 98 or 2000 or XP or 7 or 8 or 10 or Vista xxPackage includes:xx 1 x Modem 1 x Driver Disk 1 x RJ11 Cable Colors may vary slightly due to display differences. Size tolerance: 1-3cm.