... SD(up to 8G) AntennaInternal antenna EqualizationSupport EDGE System RequiredWindows 2000/XP, Vista,Win7,Linux,MAC OS DimensionsAbout 89mm * 28mm * ... modem. The automatic installation support Windows 2k(SP4)/XP, Vista and Mac OS. All windows drivers are certified/signed by WHQL ... contact,Edit contact,Delete contact, send SMS to contact Aftersale-service:Our warranty is 15 monthes .our modem can be ...