... K4505 USB Modem Stick 2.Windows 2000, XP, Vista, Mac OS 3.21mbps antenna port Huawei K4505 21M HSPA 3G Wireless Modem Key Features ... .6 Mbps on the Rogers HSPA+ network, faster than ever before Zero-Install Plug and Play Software (No CD required) for Windows ... 850/1900/2100Mhz, GSM/GPRS/EDGE 850/900/1800/1900MhzTechnology: HSPA+/EDGE/GSM Data Transmission: HSDPA up to 21Mbps downlink, HSUPA ...