3G frequency: 850/900/1900/2100MHz bands 28.8 Mbps download / 5.7 Mbps upload

 Specifications:

Auto Signal Select technology: This modem automatically selects the strongest available Vodafone network and will connect to the new 850 network or the existing 2100 network. The Mega Modem supports Quad Band 3G (850 /900 / 1900 / 2100 MHz), Plug and Play for Windows and Mac Dimensions: 77(h) x 28.5(w) x 12.2mm(d) System Requirements PC User: Microsoft Windows 7, Windows Vista (SP1 recommended), or Windows XP SP3 System Requirements Mac User: Mac OS X 10.4.11 (Intel) or 10.5.8, or above. 10.6.2 or above recommended – 10.4.11 not supported on PowerPC Network Support: 3G UMTS/HSPA Band: 850/900/1900/2100 MHz, 2G GSM /GPRS/EDG: E850/900/1800/1900 OS Supported: Windows XP, Vista, Windows 7, Mac, Linux