1. SPECIFICATIONS: (1)Network: GSM/GPRS/EDGE/UMTS(HSDPA),Dual Mode (2)Working Frequency: UMTS(HSDPA): UMTS 2100 MHz GSM/GPRS/EDGE: Quad-Band 850/900/1800/1900 MHz (3)Protocol: UMTS(HSDPA): Compliant to 3GPP R99&R5 GPRS/EDGE: Compliant to 3GPP R99 (4)Interfaces: USB 2.0 (5)Specifications for data switching: (1)Circuit switched data (2)UMTS with HSDPA support (category 6,8,12): 7.2Mbps(DL) (3)GPRS/EDGE MS Class 10, MCS1-MCS9 (4)PPP stack/ Integrated TCP/IP stack (5)Environmental: Dimensions: 83mm X 38mm X 14mm(including USB cap and Antenna) Indicator:3 Blue LED indicators for network status 1 Green LED indicator for power supply Weight: 36g Operation Temperature:-10℃ to +55℃ (6)Operating systems: Windows 2000, Windows XP, Windows Vista 2.KEY FEATURES: (1)Full integration, brand-new chipset, excellent stability (2)High compatiblity,high speed,low power consumption (3)Unique, tiny and patent design 3.FUNCTIONS: (1)Internet Browse (2)SMS (3)Call Record (4)Connection Flow Record (5)Phone Book Management (6)PDP Profile Management (7)Support VPN/VPDN (8)flash memory