?Technical standard :HSDPA - Up to 21.6 Mbps DL and 5.76 Mbps UL :UMTS - Up to 7.2 Mbps DL and 5.76 Mbps UL :EDGE - 3GPP Release 4, Multislot class 12, up to 237 Kbps :GPRS - 3GPP Release 4, 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:Internal UMTS/GSM antenna :USB 2.0 high Speed :SIM card :Standard 6 pin SIM card interface?Main features:Dimension 33x25x10 mm :Weight (g) <30 :RGB LED Indicator for different states :No CD required?Supported OS:Win2000/ XP/ VISTA 32bit/64bit/ 7 / 8, :Mac OS X 10.4.9 or higher (only support INTEL platform)?Setup mode:Plug & Auto Installation?PIN1:Supported,enable/disable/modify?SMS:Supported?PhoneBook:Supported?APN auto management:Supported?SMS and Data service:Supported simultaneous Operation ?PhoneBook:VCard version 2.1/3.0?Additional Features:Micro-SD Card Slot Supported, Max up to 32GB?Certification:ROHS Supported :Microsoft WHQL SupportedPackage Contents?3.75G USB Wireless data card