T-Mobile Webconnect Rocket 2.0 3G HSPA+ USB Dongle - for T-Mobile network ZTE-- Webconnect Rocket 2.0 3G USB dongle- for T-Mobile network Form Factor: USB Dongle Modem ; Technology: GSM/GPRS/EDGE + UMTS/HSDPA/HSUPA Frequency: Quad band 850/AWS/1900/2100 Mhz Dim: 1.1 inch x 3.4 inch Operating system : Windows XP, Windows Vista, Windows 7 ,MAC OS X