Model: THSD-72 Zero CD, support Micro SD Card, Support MAC OS, LUNIX, Win 7 all System
Technical Standard: HSDPA: 7.2Mbps DL, 384Kbps UL UMT: Sup to 384 Kbps DL and UL EDGE: 460Kbps Download GPRS: 115Kbps Download
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
Standard Package Contents: HSDPA USB MODEM 1 Quick Start Guide: 1
System: Win2000/ XP/VISTA Win 7, Mac OS. Linux
Micro SD Card: Supported Up to 4GB
Software: Support SMS, Phone book, internet, setting
Weight(g)  20 g
Dimensions(mm)  90(D) x 30(W) x 0.8(H)
USB Speed  USB 2.0 High speed