NAME: HSDPA Wireless Modem (HSDPA 640U) Features Network: UMTS(HSDPA)/GSM/GPRS/EDGE, Dual Mode Working frequency: UMTS(HSDPA): UMTS 2100 MHz GSM/GPRS/EDGE: Quad-Band 850/900/1800/1900 MHz Standard: UMTS(HSDPA): Compliant to 3GPP R99&R5 GPRS/EDGE: Compliant to 3GPP R99 Output power: UMTS 2100 MHz :0.25W GSM850/GSM900: 2W DCS1800/PCS1900: 1W Antenna: Internal Dimensions: 83mm X 38mm X 14mm (including USB cap and Antenna) 3 Blue LED indicator for network status 1Green LED indicator for power supply Weight: TBD Lower power consumption OS support: Win 2000, WinXP,Win2003,Vista Normal operation temperature: 10℃ to +55℃ Restricted operation temperature: -20℃ to -10℃ and +55℃ to +75℃ Specifications External Interface USB interface (USB storage support) SIM Card Specifications for data transfer Circuit switched data UMTS with HSDPA support (category 6,8,12): 7.2M bps downlink GPRS/EDGE MS Class 10, MCS1-MCS9 PPP stack/ Integrated TCP/IP stack Software Features SMS Phone book SIM Management PDP Profile Management U-disk