... 2100 M GSM/EDGE/GPRS:850/900/1800/1900 Memory:TF 32G CARD UPLINK: 5.76Mbps DOWNLINK:7.2MbpsKey Features ... systemsWindows2000,Windows XP,Windows 7,Windows Vista,UBUNTU 8.04,Mac os x 10.4 or laterSelling point:High ... TypeSupport OS:windows 2000,XP,Vista,Win7,UBUNTU 8.04,Mac os x 10.4 and later Environmental Specifications: ... x 26(W) x 10(H) mmWeight: 23g KMT-04 3G Wireless USB modem for laptop