Model Number: W7227A Key Specifications/Special Features: Cost-effective device for internetPlug-and-playHigh speed connection 7.2M ModelHSUPA USBIt is a portable and high speed internet access mode for office and home. Zero-CDROM is convenient for user remarkably.ChipsetChipset Qualcomm MSM7227 Technical Standard HSUPA 3GPP Release6, up to 5.76M bps UL,category 6 HSDPA 3GPP Release, up to 7.2M bps DL,category 7/8 UMTS 3GPP Release4, up to 384 Kbps DL and UL EDGE 3GPP Release4, Multislot class 12, up to 237 Kbps GPRS 3GPP Release4, Multislot class 10, up to 85.6Kbps Frequency Band GSM/GPRS/EDGE 850/900/1800/1900 MHz UMTS 2100MHz Power Class WCDMA Power Class 3 GPRS 850/900 Power Class 4 EDGE 850/900/1800/1900 Power Class E2 External Interface UMTS/GSM Antenna Supported, Internal Antenna UMTS Rx Diversity Antenna Optional, Internal Antenna USB Type standard USB Interface USB Speed USB 2.0 High Speed Power Mode Powered via the USB interface SIM/USIM Card standard 6 PIN SIM card interface, compliant with 3GPP 31.101 and 31.102 AT Interface 3GPP TS 27.005/3GPP TS27.007 supported Main Features Form Factor USB PCBA Dimension (mm) 87 (D) x 25(W) x 9.8(H) mm Weight (g) 23g Rx Diversity Optional, 2100MHz Visual Indicator(LED) an RGB LED indicator for different state. Languages Supported English, more languages could be supported upon requested Zero-CD installation Supported Operate System Supported Win2000/ XP/ VISTA 32bit/64bit/ 7 Mac OS X 10.4.9 or higher (only support INTEL platform) Main Software Functions Setup Mode Plug & Auto Installation PIN1 Supported, enable/disable/modify SMS Supported